The truth about liqui moly engine flush (my first oil change)
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- Опубліковано 3 вер 2023
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In this video I will be doing an engine flush by liqui moly and oil change after, This will be my first oil change on my BMW 128i.
Watch until the end for the result of the engine flush and see why I did 2 oil changes.
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#liquimolyengineflush
#liquimoly
#engineflush - Авто та транспорт
Your 2nd oil was black because of the old filter you left in.
I do flush my engines, without intermittent oil, just drain the old, in with the new, always crystal clear afterwards.
Few things to pay attention:
jack up/lift the car in a way all the oil can drain out from the sump. For ex if the drain plug is at the left side, and the car slightly tilting right, there will be some leftover at the sump. Let it drain for a good while, and clean the oil filter housing as good as possible.
A small quantity can darken the new oil.
Tip. Remove oil filter first, then any excess will drain into the sump before/during draining the sump. If you want to check this happens, drain it like you did before until you are just down to drips coming out then remove the oil filter, you will then see the extra coming out. The way you did it you will be adding clean oil to approx 300 ml of dirty oil after you were being so meticulous getting the small amount out while doing the filter. Anyway nice video.
Thanks for the advice I will keep that in mind.
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Do you say it isn’t nessesery to drain two Times?
@@pignanellifabio4646is not necessarily to drain 2 times, just try to drain as much as possible first time, the 2nd oil change is black because it was mixed in a dirty oil filter
Exactly. I would change the oil filter after draining the oil from the engine flush. There's also about 1/2 a quart of filthy oil in there that can be extracted with a turkey baster.
Thank you for making these videos. I'm planning on doing a flush in the near future. And I like your idea of the double oil change. The color check you did seems logical but at the volume in the bottle the color can be very deceiving. If you ever do this again, try looking at a much thinner sample, (like some poured on a piece of paper). You will more likely be able to see the actual difference between the two samples. I do large batch dying in a manufacturing process. I've been fooled, especially by black.
Thanks for the info, I'll keep that in mind, Thanks for watching!!!👍
Thanks dude, now I want to change oil twice after every engine flush
Thanks for the comment, Dual oil change will ensure that you get the better flush and better engine protection.
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Straight to business brief intro and let’s go!
Yes this engine flush really works well, And the engine feels smoother after the flush,
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Thanks. Never though of doing a 2nd oil change rinse. Yes this should be done in every flush. Thankyou. Very Helpful.
Thanks for the comment, I'm glad this video helped you in anyway, Thanks for watching!!!👍
I change my oil every 10,000 miles for many years and never had any issues, my 2005 Acura RL was at 210,000 miles and still ran like new before selling it for an upgrade. I use only Mobile 1 full synthetic with mobile 1 filter. I never did engine flush. Though I did fill up with chevron fuel every now and then just to run Techron to clean my injectors. Now days you can buy the bottles they sell everywhere and add it to any fuel brand you put in. After many years of research and results, that’s where I’m at and it works great.
I must add that driving habits are a big factor in vehicle longevity and reliability. I did drive hard occasionally but definitely with care most of the time.
I do exactly what you do 😂
I use Mobil1 Extended Performance High Mileage, an extended performance Mobil1 filter, and every 10k miles pour Chevron Techron additive in the gas tank. I've been doing this for close to 20 years now. I've never had engine problems and typically keep my cars for 250k miles.
Good job! I do it the same way on my daily driver '02 Ford Focus Zetec, 204k miles in it.
Btw LiquiMoly has a smoother slower flush, Nr.5200. No 10min idle, but 100 miles running B4 oil change. Have a try next time!
Thanks for the comment and the advice, I'll keep that in mind.
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The N52 engine! One of BMW’s greatest of all time! Old school inline 6 engine in a modern vehicle. My N52 in my E90 currently has 225k miles and i go 5k miles between oil changes and never have to add oil. The last inline 6 before the turbos came out, these N52 cars are bulletproof and CHEAP too!
I do agree, Actually this is my 2nd N52 engine BMW, I used to have a 2011 328i Xdrive manual tranny 6speed (black) before I have the UA-cam channel, I also did a lot of mods on this car. Sold it to buy my BMW M235i, can't keep both cars at the time.
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Really 225k miles you never had to add an oil so it’s not burning oil,no leaks at all you are very lucky with your N52 engine congratulations!… HONESTLY?
This comparison was very unexpected. Thank you for sharing.
LOL, I do the same thing you do. A turkey baster to remove the dirty oil in my M3's filter housing.
Thanks for the comment, We have to remove as much old oil as possible, The oil filter housing do hold a little bit more old oil.
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Only way to see if the flush works, is to make two changes to get the clear oil, the third change you put flush in. After change number four you now can compare how good the flush is.
Sorry for the delay, I have never tried that method but thanks for the help.
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Exactly the way I do it with one exception, I don't use expensive oil to flush the engine, I use cheapest I can find and run it/idle it for 5 min, then pour the correct oil in.
The oil that I've use were on sale, Basically same price as the regular oil, That is why I used these oil.
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what if the oil that i use to flush is the different code that i really use for my engine? can it be that way? Say, i flush with 5W-30 but i use 0W-30.. Different model use to flush and use.. Hope anyone can answer this.. Cheer~
just check the car manual, under oil type, if that grade that you mention (5w30) is also approved, then it's ok to use it.
car manufacturer recommends different type of oil grade that is ok for your car, just check the manual.
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@@edcardiy thanks for the answer! But what I mean was can i use different types of oil grade just to flush the oil.
since running the engine only for 10 min (idling) to flush out engine flush, I think it's ok to use 5w30 just to flush the engine.
I did a similar process but I flushed and drained twice and then did a run with new oil and drained once more before putting the last fill up in. At the time my truck had a little over 100,000 miles on it and I always used synthetic oil with 5,000 miles intervals. My final drain came out like yours. The truck is still running like new with 130,000 miles on it now.
Thanks for the comment, That's a good process on how you flushed your engine and maintain it. Your engine will last forever.
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did you feel any noticeable difference in your car?
The car runs smoother and a bit more responsive, It really does help in making the engine run better (just my opinion).
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Excellent video, greetings from Greece!!!!!!!!
Thanks for the comment, Nice to have viewers from Greece, Thanks for the support!
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2 issues with wour method:
1) If you had remove the filter cap when the drain plu was removed, more dirty oil would drain.
2) You have contaminated the second oil with the dirty oil remaining in the dirty filter.
Great video. Done flushes myself - usually every third oil change - but I always drop my oil every 3000 miles (Toyota/Yamaha 2ZZ GE engine). I've seen may people use flush, then drain oil and replace filter, then add a flushing oil. They then drain that and replace the filter again before adding a quality oil.
Thanks for the comment, I really do appreciate it, I'm glad that you enjoyed the video.
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I am every 5000k, even if they write 10k, it's just not working.6000k is a limit
Good work nicely done I have a 2010 CTS-V wagon manual 726,000 km my oil never looks so dark but I change it ever 5000 km
Wow 726,000 km, That's amazing!!! , by the way thanks for the comment, That's good if you change every 5k it keeps the oil fresh and not collecting all the gunk inside your engine.
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Yeah I did the same , the 2nd oil change after it was golden in my engine :)
Excellent, I'm glad you did the same method and got the better result.
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my 2013 fiat 500 abarth has valve lifter sticking problem, making alot of valve tapping sound, I used 1 bottle of this liqui moly flush, it fixed the problem right the way after oil change, and now over 10k miles passed, no tapping noise since then.
Yes, I agree that this Liquimoly engine flush do clean out most of the gunk inside your engine and makes the engine run smoothly, With the 2nd oil change after the flush, It flushes out even more dirty oil. I'm glad that Liquimoly did a great job in solving your tapping noise problem.
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I waz just wondering would it not have been better to change the oil and filter Then add the flush in the new oil, would this not get a better result first time round. Then do second change and filterI think youd get better results.. I will try this way.. thanks for the vid...
If you want to do a real flush. You would drain the oil, and replace it and the filter with a cheap alternative for just flushing . Add the additive to the cheap flush oil and new cheap filter. Let the vehicle run four about an hour or at least 30 minutes( I do an hour) when normal operating temp is achieved. This is really important. It really makes a big difference to run the flush mix hot. I know the instructions say 15 minutes but you NEED the heat to really make a big difference. It really helps the engine flush components do their jobs. After running just drain as normal and replace with a proper filter and good oil.
Hello,very nice vid,btw i have a question,it is really necessary to replace the oil 2-3 times after we flush?I am asking because i just wanna add the flush and after to add the new oil,it will cause any harm to the engine?thx ya
PS:only curious if the last sample of oil which you had in the bottle was after running the engine aswell?
The engine flush needs to run idling only for 10 min inside the engine when mixed with old oil, Leaving it inside and driving the car can damage the engine.
Do the proper way and just follow the instruction on the can. Do a 2nd oil flush to flush out all contaminants, Then put in the proper oil that you want.
Yes, The 3rd bottle came from the engine after 10min of idling as well.
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@@edcardiy thx for your answer,I just wanted to know if is a must to replace the oil second time but I'll do the procedure as you said and hope to get good results,looking forward for your awesome usefull vids!👏
For 10+ year old cars - I pour Liqui Molly in nd drive for 100Km, I don't think it's of any harm to the engine, makes the oil marginally thinner but washes real well. Been doing it for years and would recommend it. No extra wear on the journals or cams.
You’re saying about 60 miles?
Have you used Liqui Moly Ceratec? If yes what's your take?
Cool video kuya, didn’t know oil filter is on top. Im planning to do my first oil change on my 2024 cx5, im planning to put my magnetic oil drain plug and put some magnets around my oil filter and oil pan hehe what do you think about this?
How do you know the final oil doesnt also look dark after idling for 10 minutes. You should drain some out and check
The clean oil is the one that came out from my car. More DIY & Mods coming soon, Please LIKE & SUBSCRIBE and Thanks for watching!!!👍
Thanks for sharing !
Thanks for the comment, I really do appreciate it, I'm glad that you enjoyed the video.
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Should e changed the filter in between flushes then final filter (2 in total)
So fill the engine with oil and then put the drain plug back on? Got it
thank you so much
Thanks for the comment, I really do appreciate it. More DIY & Mods coming soon.
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Thanks for the video. Is that not good idea to drain the first olddirty oil then change new oil and filter and use liqui moly then flush that oils /filter and then flush with new oil (to clean flush out molly) then 3rd time put new filter and oil. What do you think about this method? Is that over kill?
Thanks for your comment! It's always great to hear different methods and ideas. In my experience, it's generally recommended to just drain the old oil, replace the filter, and refill with new oil. But everyone has their own preferences and techniques when it comes to oil changes!
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Good idea
It really depends how worn out your piston rings are. If there are signs of wear and black tar deposits under the oil cap it may be worth a try. But the following risk exists. The rings even if worn out have set in inside the cylinder walls. After the flush that may change and the car may start burning more oil than before. If the car is burning oil and the oil level goes down then you have to keep adding oil and doing oil changes every 3.5-4k miles. If the oil gets dark sooner changing the oil more often is also a good idea. If you drive a lot in cold weather with short trips then changing oil more frequently may be a good idea too.
If it is a diesel the oil color always gets black sooner so the oil color alone Is not a good indicator.
At any rate, your mileage may vary. Literally.
Thanks for the info, I'll keep that in mind.
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Totaly agree..
Thanks for the comment, I'm glad that you enjoyed the video, More Liquimoly videos coming soon.
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great video, I normal do the same, use a cheap oil to flush the engine 1 extra time
That's great, but some people just follows the direction of the liquimoly instruction and do only 1 oil change after the engine flush.
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I believe your N52 has a pickup tube under the oil cap, this is for a vacuum extractor. I would pull the plug for the flush, but after that final fill I'd use the vacuum extractor for oil changes. I'm an AUDI guy, the crush washer is a single use item ... I have a bunch in a drawer, but I'd rather not mess with the drain plug if I don't have to and AUDI themselves use vacuum for regular changes.
Thanks for the info, I will keep that in mind.
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Excellent method. Learn this over seas or you just made that up. I really like it honestly first time seeing this. Cheers
Thanks for the comment, I really do appreciate it, I've just decided to do this every time I do engine flush, Just make sure all contaminants & flush residues are all out.
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My mechanic recommended me to never put any flushes into the engine unless it is the last thing you got to do to save the engine. First of all there is still some flush material left in the engine after all. Secondly, these flushes can pick up all the dirt and grime and clog the oil strainers and other tiny channel that feed the oil in the system. There are lots of cases where these flushes did more bad than good, and it is up to the owner if he wants to take chances. So, in case your engine is filthy inside, you got to do several frequent oil changes with short intervals like 500 miles, then 1000 miles, then 1500 miles etc. in between. Also choose the oil that contains good amount of detergents. Thus, after 3-4-5 oil changes eventually you will clean your engine safely. I bought a 180K miles Accord which was owned by some idiot from the very beginning who changed oil every 10K miles and 1 year that lead to making the engine inside look like shit. I did 5 oil changes within the next 5000 miles and I must say the car started breathing full lungs and the oil finally took decent color and shape. Some people actually claim they had good experience with flushes but I actually decided to not take my chances.
If your engine is full of sludge then maybe it can clogged the oil feed line when using an engine flush, My goal is to prevent the sludge before it gets really bad. That will be a costly engine repair. When doing engine flush as part of maintenance, then the engine will be running properly and no worries about sludge build up (just my opinion).
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I would have changed my oil first with Mobil 1 or other moderate synthetic and new filter, Ran it for 10 minutes, and drained that. Filled it again run fresh and then added the flush. A new filter is $10 to $15 even for ones that filter down to 20 microns at 99% efficiency. Starting with clean oil and a clean filter to do your flush and doing the extra clean oil run and rinse is a pretty small cost in the grand scheme of things.. Do it once when you first buy the car and do it again after 100k miles or after a chemical / intake valve cleaning.
My Mini needs the valves cleaned. It had 136k miles on it when i got it. I'm going to be doing both on it in the near future. Your point about avoiding clogging oil pump screens is good, but the precaution for it is simply a pre-oil change.
@@underourrock would it not be better to change to new oil and filter as you say, then add the flush, change oil and filter again and maybe get a better clean result?
If this is what your mechanic advises you, then I advise you to change the mechanic
Ok, if you really got to do the engine flush with some of these popular chemicals on UA-cam and Amazon, first drain the current dirty oil, then add a new oil together with the flush material to it, run for 15 mins, then drain and fill 2 times more and run for 20-30 mins to properly clean engine of that flush material, and only after that add the oil you will drive with for next 3K miles. For regular 4 cyl car you will need about 20 qts of oil total to do this procedure correctly. Once you drain the oil with the flush chemical, just adding new oil is not enough as it is too much residue left inside the engine and you need to change the oil at least 2 times after that to properly remove that residue. After that procedure is over, only then it is ok to add the oil that you re gonna drive with. When doing these short oil changes, no need to buy some fancy oil. You can get basic for $18-20 for 5 qts as you gonna use it for 20-30 mins only. After that at the very end you can fill in with Mobil or Pennz or else you think provides good protection and lubricity for 3K-5K depends on the usage.
Thanks Kuya! Great advice. I changed the oil 3 times after the first drain w/the flush. The 3rd time was perfect and the color was the same as new. It takes 2-3 post changes to clear out the detergent and dirt. Otherwise, the detergent will thin the oil and provide zero protection for the engine. Great job Kuya!
Sometimes you have to do multiple oil flushes to fully remove all the contaminants, SALAMAT!!!👍
Just making sure: When you say 3 flushes, you mean you filled 3 times a full 6.5 litter engine oil (in this car's example) which is quite expensive?.
In your end oil sample comparison, was there any engine time on the last (clear) oil sample? Apparently heat cycling can also darken engine oil (additives) so color alone is not the measure of oil cleanliness.
The last oil sample were taken also after 10min of idling, heat cycling maybe can darken the oil, but not in 10min of idling only, way too fast too look like a worn out oil. I would not drive my car with dark oil, specially just after an oil change.
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This was a key question. I was not going to Like and Subscribe until this was answered. Nice video!@@edcardiy
I want to do this for my Lexus IS250. It’s an older car a 2008 model so I figure this would be a good thing to do right about now at 140k miles. My only worry is that doing this can compromise the seals and potentially cause an oil leak? I guess that’s why you only run this in your system for 15 minutes when someone does this procedure. Anyhow I might do this, maybe it will improve engine oil consumption issues if there are any. Performance of the car might improve as well.
Doing engine flush will remove the sludge and make your engine runs smoother and more efficient.
Thanks for watching!!!👍
Curious what the filter looked like after when cutting it open?
Try to use the same exact Liqui Moly 5W-40 as flash every 3k is better then 5k but 5k still proved to be Great
Nice video!
Thanks for the comment, I really do appreciate it and also glad that this video helped you in any way.
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That 2nd bottle was contaminated with the old oil plus the flush oil from the oil filter housing oil. It retains oil in there at all times once its primed.
That is the point of this video, to remove the contaminants & flush residues by doing a 2nd oil flush. But as I explained on the video Liquimoly doesn't say doing a 2nd oil flush to remove left over contaminants.
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I think you should also change the oil filter twice.
The 3rd oil sample, did you run the car let's say for 100 - 200 kms before you take the sample or you just warm up the engine and take the sample?
The 3rd oil is the sample after 10 min of idling. Thanks for watching!!!👍
Just curious; that oil in bottle no.3, how long did the car idle on that one? Or has it not been inside the engine, just directly from Castrol oil can?
My thoughts exactly. I don’t know if he even got that one from the car. I’m sure it’s from the oil can itself
3rd bottle was taken from the oil drain after 10min of idling, No video clip of that because it's a big mess, I removed the plug, get sample then plugged it back.
It is a big difference for sure because I let all the oil from the 1st oil change were completely drained out until there is no more drip from the oil pan before I put my real oil.
Thanks for watching!!!👍
I get a better flush when I drain old oil first and use Liqui Molly with new engine oil, drain and then put in the next new oil as the final step.
I guess if you have extra new oil to use with liquimoly it's better than flushing liquimoly with old oil. It's just too costly for me to do this.
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Really like that ideal
Good idea
You're better off still putting the engine flush in the old oil, then drain, then fill up with a cheaper oil to clean out the rest of the sludge, not only does it do a better job cleaning the crankcase but it also removes the solvents from the engine flush which can thin out the new oil.
Was the first oil change including a fresh oil filter?I would change the filter each time the oil is removed.Im about to do this also.
I only have 1 oil filter at the time, So I've used that on the 2nd oil change, Changing the oil filter on the 1st oil change and the 2nd oil change would be a good idea for better filtering.
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Thats why you use Zmax brody 💯 it works 💪 will keep your engine super clean 👌 no.need to flush at all...
What I usually do is that I drain first the existing oil and then put a new oil with the Liqui-moly engine flush, run the engine then drain it again and fill another batch of new oil.
You still used Castrol Edge as the flush oil? In my country oil is very expensive. I would have used a cheaper mineral oil as the flushing oil, and would have done an extra oil change aswell (x3 instead of x2). Especially if it still looked that black after the 2nd change. On the third change I would drive the car for a little to let it heat cycle before replacing the oil again.
The Castrol Edge I've used to flush the oil is on special price (almost same price as a regular oil), That is why I've used that.
You can also do a 3rd oil flush if you have the budget for it, That would give you better rinsing of the engine flush. But 2nd oil flush I think is sufficient enough (just my opinion).
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Can this been done on cars with low mileage around 20k miles? And how often is recommendable to use liquidmoly engine flush? Every oil change? thanks
20k miles is still ok, No need for engine flush, unless you felt that your engine runs sluggish, then maybe you can use engine flush (just my opinion)
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very interesting, "2nd flush" seems to be necessary,
Yes, It's necessary to do a second oil change (oil flush) to properly rinse out all the residues inside after the Liquimoly engine flush.
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I wonder how much oil this vehicle holds during a change. It depends on the motor's design and where the oil rests. My Honda drains 3.5 quarts, but if you raise the front end up on ramps, you can get about a full extra quart out of it. It really surprised me the first time. I wonder if that is why the oil is so dark after the flush, it may have held onto 1-1.5 quarts.
The BMW is a beautiful car
Thanks for the comment, There is always oil in every part inside the engine, that is why it's better to do a 2nd oil flush to flush out left over dirty oil.
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Did you also change your oil filters twice or just the oil twice?
I only changed the oil twice and oil filter once. Before putting in my real oil.
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Did the 3rd bottle of oil at the end actually come from the engine? Or did you just pour in some clean oil?? Find it hard to believe it goes black>black>clear
Sorry for the delay, Yes that is the oil that came out after the second oil change, it really looks a lot cleaner and clearer.
Doing a second oil change does make a big difference when doing the engine flush.
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How did your drain just that small amount of oil on the last bottle?
Not easy, since I'm not doing a complete drain, I just need to open, take sample then close again (lots of mess).
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Remove oil filter first ...other wise you get a quart of dirty oil in the bottom of your oil pan after you drained it and refitted a drain plug
Thanks for posting the video!
The filter wasn't changed after the first oil change. The black color could simply be dirt from the filter tha made its way into the new oil.
A good indicator of the amount of residue left after the first cleaning would have been to either replace the filter with a new one (maybe a cheap filter) or run the engine without the filter fir the 10 mins.
The color of modern oils doesn't say much about the life thats left in the oil.
I'm so glad you enjoyed the video and took the time to share your thoughts! Your suggestion about replacing the filter or running the engine without it for a while is really helpful. I appreciate your support and look forward to bringing you more informative content!
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No you don't want to run the engine without the filter after an engine flush as all the sludge would end up back in the engine instead of the oil filter.
Best flush I’ve ever tried was from ATS Chemical. I do it once a year, inexpensive insurance…
You can't get it outside the US unfortunately... I tried... Scotty kilmers advice I see..
You do t really know if the first drain would have been the same dark color without LM. I’m still goi g to try it.
I don't really want to know how dark my oil is, I just want to flush all my gunk in my engine since this is my 1st oil change since I bought the car.
I just want to make sure that everything is clean inside before I do my oil change.
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I have carbonized piston rings, causing oil burning. To loosen them up I used something stronger called DMSO. Much reduced burning, so gonna give it another go. My car is a BMW of course🥴
Thanks for the info, that's nice to know.
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DMSO vs B12 which one is more aggressive cleaner?
A quart of automatic transmission fluid works just as well.
AT Fluid to flush the engine? I have to look into that if AT fluid can flush the engine.
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So… engine oil need to change 2nd time after using engine flush plus ?
It's up to you if you want a better flushing of gunk in your engine, do a 2nd flush.
But liquimoly only recommends 1 oil change after flushing.
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You might want to clean the vanos non return valves because the valve screens are very fine and the gunk will clogged the screen, which means the vanos solenoids won’t get enough oil to feed the camshaft ledges and your ledges will get scored and then you’ll hate BMW, when it’s not BMW’s fault.
I´m here to disappoint you, you can flush all you want.
But the oil starts to get black very fast, it is meant to get black.
This is carbondeposits(from combustionprocess) that the oil has cleaned out and is kept in the oil due to the filter can´t filter all carbon out.
So if you need to have nice amber oil in your engines - do not start them after oilchange.......
Ps, and to get a REAL flush, you need to run it WAY longer than 10minutes.
Do this instead:
Take the same grade oil but for an dieselengine AND that flush fluid(dieseloil has more detergents) and take a trip, say 100-200km.
Change once again to the same diesel oil, run it for about 10--20minutes, And THEN you change to the correct oil.
Make sure you change oilfilter every time also.
So, what did you find out? Did your car run good or better, is there any change in the performance or what???
Yes I did felt slightly that it run smoother and more responsive than before.
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If you’re concerned about your engine as suggested elsewhere frequent changes are the best solution. Oil is cheap engines not so much. The other service to consider is an oil analysis of the used oil. If you really want to know what’s going on you’ll know.
I think the regular scheduled maintenance is the key to making your engine last longer, I don't need oil analysis since my car is not an M3 (rod bearing issue) regular oil changes will do. Thanks for the advice anyway.
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With a regular oil change (max. 10 000 km between oil changes) this kind of flush is totally unneeded.
Ok, that's so good but one little information for you, my dear brother, after the flush &drain u should have removed the oil pan cleaned the oil strainer with pan cause all the gunk of the engine is gone come straight down on the pan so literally the things u cleaned will be dirty again cz all the dirt from flush will come down,so to clam everything is perfect u need to open that pan clean it with brake cleaner with oil strainer of course wish u all the best with the car bro
Thanks for the advice , I will keep that in mind, Maybe I will buy another pan because my pan is getting old and dirty.
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Bro you do know what the job of the OIL FILTER is right? Its to filter most of this stuff as long as it is replaced in a timely manner. Its job is to catch this very “dirt” you speak of.
I usually remove my engine from my car and disassemble it completely for every oil change. I've changed the timing chain on my bmw 23 times just to be sure.
This was a useful and interesting video, although I would never use something as costly as full synthetic Castrol edge as a flushing oil. If I was doing that double change I would use a straight 10W40 cheap mineral oil and change the filter too or it becomes pointless. The old filter will immediately contaminate the new oil if colour is your cleanliness benchmark. An engine may not be under as much load while idling as it is driving, but the bearing interface pressures will be almost the same, the moment the engine is running, so on every firing stroke con-rod bearnings, camshaft followers, camshaft bearings will be under very similar pressure to what they experience when it runs. The crankshaft will not be subjected to the same load. I suspect the reason they dont recommend driving the vehicle with flush in it is under bonnet engine temperatures under driving loads, that are likely to exceed even a 10 minute idling temp. The oil colour is not really a good indicator of clean or dirty oil. Modern oils all have detergents in them, and chemicals added to the additive package to trap soot and hold it in suspension. If the engine has EGR, or feeds any exhaust into the crankcase to hold soot in suspension then black oil just means the oil is doing its job. It can also get this from the cylinder walls during normal combustion. On a diesel engine new engine oil of any quality turns dark even after a short drive, and that's normal. Petrol engines will generally show clean oil for much longer, but over time they will also darken, especially if they are fitted with emission reductions systems. I remain a bit wary about using flush in turbocharged intercooled diesel engines because of the compression pressures and turbo temperatures. My V6 uses 10L of oil per change, so a second flush is costly. It has covered 294,000kms and I have only used flush once.
Did you change the oil filter on the first oil change?
No I didn't change the oil filter on the first change, I only have 1 filter, So I only used it on the 2nd change.
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I would think that instead of just letting idle. I would do these things in this order :1. Drive the car up to temp, 2. Flush and idle for 10 min. 3. Drain and fill with cheap oil and new filter. Drive medium hard on it for a few miles or days. drain. 4. new good oil and filter
I guess you can do that also, the most important thing in my opinion is that the 2nd oil flush is a must to completely remove all flush residues and left over sludge in the engine.
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i do an engine flush on my audi with 2.0 tsfi every year....with the hope that annual cleaning make a double flush unnecessary.
additionally, during the 10 minutes of running the engine i perform a decarbonization service.
I heard about this 2.0 tsfi engine having the gunk build up (when I was researching to buy the Audi TT), It's good that you are doing the flush every year, this will help for sure in preventing that build up in your engine.
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It is much better to change oil 10000 Kilometer BEFORE the manufacturer says, e.g. I drive Alfa Romeo where the oil interval is stated at 30000 Kilometer, but I drove 280000 with a 159 16-valve Diesel and changed oil every 20000 kilometer. Now with a MiTo Veloce I do not do these kilometers anymore, max 7000 per year but I still change oil every year and now that the car is 7 years old, this week it will get the Liqui Moly engine flush although my engine oil is alwys golden brown ( reminds me of a song😀)
This BMW oil probably has not been changed at the correct interval but way way over it even my Alfa Diesels oils were not that black
Yes, I agree, this oil is way too black, the previous owner maybe not as active on the regular maintenance schedule.
But now I got this car, it will be maintained properly.
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You'll never get out all the old oil. Some stays trapped in the oil to air cooler at the front of the engine and in so other places. That's why these factory 15k mile oil changes ruin these engines shortly after the warranty period. 3-5k oil changes or every 6 months which every comes first.
Sorry for the delay, That is why it's better to do 2 oil changes to rinse out all of the old oil and the engine flush before putting in the actual oil.
15 mile oil change is a lot, I usually do oil change every 5k.
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Old timers used to do that with Kara scene
The last bottle shows a brand-new oil, but maybe not what's inside now after 10 minutes idle. IMO.
The last bottle was from the engine after 10 min of idling also. Thanks for watching!!!👍
@@edcardiy Super, Thanks for replying
how many times do you use engine flush ? a every year? every change ?
In my opinion, if I bought a used car and don't know the maintenance history, I would start fresh with engine flush as my first maintenance, just to make sure it's clean in my engine before I do my regular maintenance.
Every one or two years would be a good idea to flush out the sludge in the engine, So the engine will run clean & efficiently (just my opinion).
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thank you for your time and answer sounds fair omw next week to do the job :)@@edcardiy
Next time try MAHLE oil filter. The sealing is better with that rubber ring :)
Mann is OEM and stamped Germany. Nothing is good enough, ever. I suggest 2 oil filters (they'll fit), custom viton cap o ring and at least 10 oil changes back to back. That's a bare minimum. I usually ain't happy until I spend 1 to 2k USD for my oil changes.
MANN is the best
What's the mileage of the car? When was the last change? After the first oil change is too black. Unacceptable
Meanwhile my Lexus using same oil for 199,600 miles towing my SXS still passes emissions and uses no oil in 5,000mile oil change intervals. Many BMW's and Audis start burning oil around 150,000.(Note** but this flush they say corrects the issue somewhat) I still appreciate your content tempted to do this on my RX350.
Your Lexus engine is so healthy, still not burning oil with all that mileage, Luckily both my BMW still not burning oil (knock on wood). I'm glad that you like the video.
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What engine is in your lexus? I want a reliable one
I own a 2013 BMW 740li with 170k miles and a 2012 BMW X5 with 180k miles both equipped with the same inline 6 N55 engine and NEITHER burns a drop of oil. The V8 engines are known for this not the 6 cylinders. In any case 90% of the time oil burning is due to neglected oil maintenance.
BMW also have this 30000 km oil change interval, which is crazy, no oil can last that long, no wonder they burn oil...
the flush will get better if you change the oil first and then flush with clean cheapo oil so the flush works more on engine not the dirty oil
I'm noticing a trend I only see on UA-cam, every oil change video people say to "prefill the new oil filter before installing" let me tell you that makes absolutely no difference 😂 the second you turn over that engine that new oil filter gets full of fresh new oil and no damage happens to the engine. Save yourself the additional time and mess. I've been a dealer mechanic for over 10 years now
Never, ever, fasten the oil filter cap with a wrench...
How much quantity of flush was added ?
I've used all the entire can of engine flush as per Liquimoly instruction. Just to make sure it's effective as possible.
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Filter is easy to get to...
No need to use expensive oil for the 2nd flush any oil the right spec will do , then put the oil you want to run longer term in for the final fill.
I've used Castrol oil on the 2nd flush because I got that oil on sale price, almost the same price as the regular oil, that is why I've used it on the video.
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I messaged LIQUI MOLY in germany, and they said this
"Unfortunately, there are many videos on UA-cam that have not been officially published by us. There is therefore a lot of incorrect information on the web.
The fact is, if the product is used according to the application description in the official product information, no additional oil change is required after use. So save yourself the money"
That's cool that you reached out to LIQUI MOLY! It's always good to get info straight from the source.
But I would still do 2 oil changes after the engine flush, Just to give me the confident that I am running on a clean oil instead of black.
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Its so weird that many people getting over 500k miles on engines with out using any flushes or additives. I wonder whats their secret?? /s
If you do a lot of highway driving everyday to go to work you can accumulate a lot of miles and also with strict oil change scheduled maintenance, maybe you don't need engine flush.
I did engine flush on mine because I don't know the maintenance history of this car, I just want to make sure most of the gunk in my engine were out before I do my regular oil change.
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Frequent oil change....
Their secret as you drive like my wife she drives like a grandmother and her car is last forever. Her first car lasted like 50 years.
sa wakas nakakita din ako ng pinoy. subscribe ako boss
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How often should we do an engine flush?
In my opinion, I think once a year or 2 years is a good part of maintenance to prevent sludge build up and keep the engine running efficient.
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I did same thing
That's good, you will make your engine last longer and run smoother.
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@@edcardiy ua-cam.com/video/CiofEsxjdbI/v-deo.html I did mine 2 years ago. I alittle over kill 2 filters 3 oil changes lol
Don’t forget to make sure there’s enough room for the flush because you don’t want to mess up your rear main seal with overfilled oil. I know it’s just idle but still better safe than sorry. Now I change my oil every 2,000 miles so if you go longer like 5,000 miles then your engine should have lost a little oil from normal combustion and whatnot so it might not be full.
Yes, I totally agree with you, the problem with BMW is that there is no oil dipstick, which I really hate (cannot verify oil quality and oil level in real time) Only digital reading of oil level on dash.
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@@edcardiy oh really? Dang I’ve never had a BMW but I mentioned it because I never use additives in the STI but I used some on my Acura and I forgot to take some out before and I almost ran it like that over filled.
The flush is just about bigger than a can of soda. At an oil change there is no way that would overfill the oil.
You are just being over the top like with 2k oil changes. Are you driving a rolls Royce or a standard car. It’s so over the top all of this.
Once the car gets that old all the money saved on all them oil changes could go to getting a new car when it goes bang at 150k anyway.
Man changing oil every 2000 miles is ridiculous. There's no need, you must be changing it 3 times a year. 5000 is more than good. Manufacturers recommend 7500 and more or a year... Wasting your money...
An extra 10th or 20th of a quart ain't gonna hurt anything and here I am thinking I was over the top with the PM on my A5 now if it was a whole quart I'd agree with you but something the size of a Monster can won't do shit
About the oil color: Unfortunately it does not tell much. First because oil will change to dark once heat is introduced to thin layers of oil. Then it burns like a small thin layer of butter in your pan. This is the main reason why even freshly changed oil gets dark soon. The oil in the oil pan and other places where the stream has some volume will only carry the introduced heat. Like if you put a whole block of butter in a pan. Nothing happens to the butter. It will slowly melt but not burn since the butter has enough volume to accept the heat and transfer it to its remaining "body" parts. A thin layer does not have that option. And the same happens with the oil. Plus there are old deposits you can't flush 100% and they will dillute your new oil too.
So if you want an exact result about each bottle with oil you would have to send them all to a laboratory for close inspection. All you can tell using all your senses is the smell, viscosity and other small things that actually can (!!) give you an insight about the condition of your oil but not precise enough to make deep thoughts about it :) no hate, just saying how it is.
The best solution is to change your oil more often and you don't need any special bottles like that. They may help when you are running into troubles or bought a car with little to no service history but other than that they do nothing if your engine and its oil is in good working condition. However if you have a high mileage car with neglected service then this magic potion can actually remove and unleash nasty deposits that will then circulate in the system and cause more damage actually. But it is again not a fault of the product but a result of bad/no maintenance and usually a complete engine overhaul is inevitable. It would have been anyways but now it will be on the "soon to do" list. No hate, just sharing my 5 cents that I learned over the past XX years :)
Sir thanks for the video my car workshop person told that you could do this flush once in a life time of a car once you do it. Then you should never do it again even after 50,000 or so km as it ruines the engine.
So basically he say that it should only be done once in the life time of a car
Thanks
Jesus loves you
Thanks for the comment, I really do appreciate it and I'm glad that this video helped you in any way. Thanks for watching!!!👍
What about Mannol Motor flush ?
I don't know anything about Mannol Motor flush, I have to look into that.
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What about ceratec?
I made a video about Ceratec, Here is the link : ua-cam.com/video/gQmeyfY8288/v-deo.html
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I change my oil every 6 months. Dont matter If i only drive a few miles. Oil is cheap, engines not !
That's a great practice! Regular oil changes are important to maintain the health and longevity of your engine, regardless of how much you drive.
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Россия,заливаю масло, Ravenol vst 5w40,Замена каждые 6000 км,или 250 мото часов.
I Would cleaned that oil filter housing with brake cleaner
Just wiping it off is good enough, Spraying brake cleaner on the oil filter housing will contaminate what ever left over oil still in the housing.
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I can barely afford the first oil change
You don't need the Castrol to do the first oil change , Just use a cheap one to flush out the Liquimoly engine flush, I've just the Castrol because I got it for the cheap price.
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I hear ya man. May God Bless you and keep you.