How To Replace BMW E90 E92 Fuel Injectors | N52 328i 330i
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- Опубліковано 8 вер 2024
- Today I’ll be showing you how to replace the fuel injectors on any BMW with the N52 engine. This DIY is applicable to multiple models on the market.
Symptoms of Bad Fuel Injectors:
•Engine Misfires
•Warm start engine misfires
•Smell of gas fumes
•Check Engine Light on
•Underperformance while accelerating/driving
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Still watching the video but all I'm gna say is this video is sick, straightforward and well produced. Thanks
Dropped a like because he dropping these bomb videos so us diy-ers don't become die-ers when we do these jobs.
I’m glad I could help brotha
Well done. Thank you for sharing your mechanical knowledge.
I'm glad I could be of help, thank you!
Straight to the point 👍
I could barely do it with 2 hands props to you doing most of it one handed lol
Great video. Keep up the good work! Enjoyed it.
*Gas is legit on the last line* “don’t be surprised if it doesn’t turn on at first”
I wanted as little gas in the tank as possible in case it was the fuel pump, but touchè 😂
@@IzzyE9X great video bro, very informative
CORRECTUMUNDO! I thought i was the only one to catch that lol. Contaminants get picked up.
@@IzzyE9X ahhhhh, thats a good idea ;-)
I think you just diagnosed my problem. 114k miles 2009 328xi. It starts perfect sometimes but definitely gives me hiccups here and there but today it actually stuttered turning on twice today. Also when I do a decent drive and the car is warmed up ofc, and I turn it off and start it again within the next maybe 35 minutes or so it also stutters and turns on rough.
I’d definitely look at the fuel injectors, maybe fuel pump or maybe valve cover!
I have the same year and around the same mileage. You ever find the solution? After finding this video I’m tempted to do injectors.
@@ryanho3683 I still have this issue although it’s never left me stranded. The fact that it starts rough after a heat cycle is clearly not normal. However I did my valve cover and still nothing. Injectors are like $3-400 a piece yet alone the labor needed to service them. I have a new battery. Never changed my starter or alternator so it’s a possibility but I still don’t know unfortunately.
@@ryanho3683 Coils & Plugs don’t have close to 30k miles on them, no misfires thrown. It could definitely be something fuel related.
I’ve done coils and plugs too. Did the camshaft and crankshaft sensor. New battery and alternator
Awesome video!
I appreciate this DIY bro! I have to replace my injector 4,5 and 6 and I was thinking of buying the remanufactured injectors by FCP, at this moment have you had any issues with those remanufactured injectors?
I’ve had them on for about two years now and not a single issue!
Thank you for posting.
Thank You for posting!! Such good information. I'm sure I'll eventually have to do this sooner or later.
I’m glad you found it helpful! Let me know if you end up having any questions
Fabulous video. Perfect.
Great video feel confident to replace mine on my own
I'm glad I could be helpful!
Good job very well explained you saved me lot of money thanks 🙏
I’m glad I could help!
Great video you explain so easy thank you
Hey bro if I am upgrading my injector do I need to code them in ?
Good job on everything but I will ask where are the little metal clips that hold your electrical connectors to the fuel rail ? If I pulled my identical connectors up like you did I'd tear up everything.
GREAT JOB!!!
Best video yet
Thank you for this video 👍
I'm glad it was helpful!
Great video, thanks a lot. Really impressive you did most of it with one hand haha!
Thank you! It was definitely tougher, but glad I could be of help! 💯
Dude awesome job explaining. Not bad as a one hand job haha
I appreciate you 🖤
Great video. Great quality and thorough.
Thank you! I hope I was able to help in some way 🙏🏽
Great video. Thanks
Did the new injectors solve the problem with the warm start?
Did u ever get an “injector circuit open” code?
I have not but that code basically means that the injector is staying in the full open position. Most likely just a bad injector. Sometimes it’s the wiring harness that shorts it out, but I’d start with unplugging and replugging the connector. If the code persists, then it’s probably the injector itself needing to be replaced
IzzyE9X thank you man I have injectors on the way hopefully it should solve the problem!
Nice! If you run into any issues or anything, feel free to let me know 💯
I have same code for cylinder 5, car idles rough and accelerates rough I’ve tried replacing the injector but no luck.
Great video 👍
Do you have an IG by any chance just when I need to ask some questions. I have a 2011 BMW 328i coupe and I’m just getting into modding and you’re channel is amazing.
Thank you I appreciate it! My Instagram is @izzy.e9x
Do you have disconnect the battery?
I would recommend it to avoid any shorts. It isn't "required" but I would do it! If you get confused along the way feel free to reach out at my Instagram or on here 💪🏽
Hola! Que falla te daba con los inyectores en mal estado?
Do you need to code the injectors to each cylinder?
No you don’t brotha! None of them have to be coded in 💯
How do you know which ones is leaking ? I smell gas on start up I’m sure it’s one of the fuel injectors but not sure how to check which one is leaking
If you’re smelling gas inside, check your fuel pump. If outside check your fuel rail. Go on a long drive, turn the car off and see which injector has fuel leaking around it. If you can’t find it, just replace them all
@@IzzyE9X preciate it bro 💪🏻 will do I’ll probably drive the car tomorrow and see which one is leaking I was gonna replace them all anyways just so i don’t have to do it again , where did you get them from?
I got them off off eBay remanufactured and they've worked great since!
@@IzzyE9X do you have a link too it y any chance and does it come with new rings or is it just the fuel injectors
@@IzzyE9X If you can smell gas probably best not to go on a long drive. get it sorted before your car goes up in flames. Lol
did you have to calibrate an injector replacement
the N52 injectors do not need to be coded after replacement
Thanks man, I just wanted to know how to remove the injector wiring harness, because I didn't want to break shit.
Do you have a link for the remanufactured injectors?
Excuse me, where did you get the new injectors?
Excellent video! Fuel up next time!!! LOL!! JK bro 🙌
where do you get those replacements
How are the remanufactured injectors holding up 4 months later??
They’re holding great! I’ve put nearly 10K miles on them with zero issues at all! Highly recommend 💯
@@IzzyE9X Can you put up a link to the ebay store you bought these from? Thanks
Great video man!,btw what's the size of the stock injector? How many pounds?
I'm not sure what the stock size is honestly
How are the injectors doing and where did you purchase them? Thank you
good to this day, eBay refurbished!
thank you. I love you
🖤❤️
just cleaned my injectors as before it kinda misfired and started stuttering every cold start in the morning, happens exactly 10 minutes into driving. My mech said itvwasnt a leaky injector just dirty so he cleaned them and it ran as new just the hard rpm fluctuations/bouncing idle sometimes... he says if that happens again (the shaking engine and misfire and even to the point it sounded like a subaru once) then try putting a bottle of injector cleaner into the tank. Would they work? Chevron? And on a empty tank and run it till empty or mix it with fuel?
Also could be clogged fuel filters? Its a e92 323i... with 170k kms on the odo
You can try Chevron fuel injector cleaner or fuel system cleaner. When you’re tank is near empty pour it in then fill up to about half a tank of gas. Drive it until you’re near empty again and fill back up with normal fuel. If the injectors are leaky you may be able to smell or see fuel from the injector area after driving. Could be fuel system or maybe valve cover if you have a vacuum leak.
Try priming your fuel pump a few times by turning the cars electronics on but not engine and start the car and see if issue goes away. If issue is still there it is not the fuel pump most likely. Injectors are pretty cheap online so I’d say maybe give it a try replacing
Hey mate, thanks for the video. Did you get any ticking or knocking noise associated with the injectors? I too am having minor engine shake at idle!
The N52 injectors are known for being loud, but overall I just noticed groggy performance. I didn’t hear any obscene ticking
Where did u buy them ?
eBay! Remanufactured!
Getting code “$07E8” someone mentioned the MAP sensor. I replaced that still turns over and doesn't start. Could these be fuel injectors? Still learning how to DIY repairs to my 2010 328i.
great video!
I have the same issues like rough idle on warm start only and it will back to normal in a few minutes. but my mileage only has 86K km
do you fix the problem after replacing the fuel injectors?
Try cleaning your vanos solenoids first
@@greathey1234 i did, but nothing was changed
@@henry48181 I assume you also checked the ignition coils and spark plugs. I had a strange judder when the engine was hot. I replaced the transmission oil and diff and it's gone. Also, try using a lower oil viscosity like eni 0w20, clean the throttle body and injectors.
@@greathey1234 i only got kinda human pant for 2or 3 second, and it only happened at hot start.
Did you ever fix this?
do you know the size of the filter in this injector? Ten small mesh filters
I heard some bmw’s you have to program the injectors, is this it a simple plug and play on the n52?
Yep! On the N52 it’s just plug and play, no programming required
@@IzzyE9X thank you!
i’m so stressed out my fuel line is not like yours and it’s so hard to take off it’s like a bolt. i have the n51 engine and i can’t find anything online about it.
IG: izzy.e9x, send pictures
@@IzzyE9X i sent a picture
We have the same name and same car .. lol I had to sub 🙏🏼
Best comment I've ever gotten 💯
Do you have to code them injectors??
you do not
When you said re manufactur it means rebuild injectors?
Yessir
@@IzzyE9X I need some help, well my car is a n52 e90 automatic and its my daily drive from home to work . I was having the “ service engine soon “ but there was no codes ......I cleared the service engine and is like after 3 days the light comes back finally the code show up it was my last spark plug ( 6 ) I decided to change all them including coils . Everything was good till the third day again the service engine came back i check everything if there was any type of leak and there was non , i check my oxygen sensors and they were working good . I decided to check again my spark plugs and i saw the cylinder 6-5-3 they look dark , I thought i had a oil leak but there was no sign of oil leak inside my engine. And I noticed my full consumption if poor and every time i try to accelerate it makes a sound like rattling now am thinking if this could be the problem and is killing my spark plugs and is giving me the service engine.
Did u get those from ebay?
I did
@@IzzyE9X do you know the seller? I got mine off eBay too , was hesitant but they look just like yours and came in same pacaking lol they do have the part number on them
I noticed you didn’t put those clips back on the injectors, was that on purpose?
The clips are nearly impossible to get back on and the bolts already hold the injectors in place, so they aren’t needed
@@IzzyE9X You have to pull the injectors out slightly for the clips to go on. Very easy. If they are pushed all the way in, the clips will never go on.
I was able to get them on afterwards by doing that. I ran them without the clips for a good while, and they were still held in tightly. Thank you for clarifying for everyone!
How do your spark plugs look. I’m having an issue with same type of rough cold start, but ones the engines warm it runs perfect. And I noticed stopping my car during the cold start and pulling the plugs, they all had fuel on them. And we’re getting dark and kind of fouled. Wondering if you had the same issues with leaky injectors and dark plugs? Replacing my injectors next week. Also did you have to code the injectors in. I’ve heard lots of forums saying they need coded but you started it with no problem
My issue is on warm starts. Cold starts are fine but if I’m driving 45 minutes, turn the car off for a few minutes and turn it back on, I get this misfire type thing that clears up in seconds. You don’t have to code the injectors in, I believe only the 335 needs that. Just plug and play! You will get back a lot of lost performance with new injectors so to me was worth it big time!
The blue clip holding the fuel line was cracked and when i pushed it it broke , is it replaceable or do you have to replace the whole hose ?
To my knowledge you have to replace the whole hose
Where u buy those injectors?
remanufactured OEM injectors off of eBay!
There’s no need to code them on ?
Nope! On the 328i and 330i there's no need to
I changed all my coils 4 months ago and now I keep getting missfires and vibrations? replaced cylinder one coil because I had a misfire and now it's cylinder 4? could it be the injectors at around 50000?
I’d change your spark plugs just because. Then clear the codes and see if it comes back. Move your coils around and see if the code moves, if it does it’s the coil. If it doesn’t move, yeah it could definitely be injectors
Hi did you code the injector or calibrate them?
nope no need to code on the N52
Did you think of doing upgraded injectors?
I really did! The only reason I didn’t was because since I’m not going to be doing a tune etc, I couldn’t justify the price of it. I have tons of mods on the way right now though!
IzzyE9X I am doing the three-stage manifold, headers and upgraded injectors soon. Is it the same install process?
Nice, I’ve been on the fence about the 3-stage manifold just because of cost with a tune, let me know how it goes! Should be the same install for the upgraded injectors though
Where can i buy the re manufactured injectors
I bought mine off of eBay from a reputable seller!
You should upgrade the injectors to higher pounds
I'm a new owner, and curious, why upgrade?
Hi did replacing your fuel injectors solve rough idle on warm start? I have the same issue, did you ever fix it?
It did
@@IzzyE9X So my cold starts are fine but after driving and letting the car sit for an hour I go to turn it on and the rpms bounce up and down and the car shakes back and forth then after about 15 seconds it settles down to a normal idle. Were your symptoms similar to mine? Also, no codes are stored. Do you think replacing my fuel injectors would fix this?
@@IzzyE9X did you need to Recode or Recalibrate the injectors?
on the N52, recoding the injectors is not needed
Will this increase mpg or make it better?
It definitely will, even if it’s slightly it’ll add up over time. May increase throttle response also
All my cylinders are reading misfire. My thermostat also is coming up on the reader. Dont know what it could be anymore I checked the spark plugs they're still good the coils I'm not too sure about. When I start my car it starts making a loud ticking noise and vibrates a little. After about 10 seconds running it starts wanting to shut up the rpms start going really low then raise back up and repeat. Please help
Sounds like maybe a fuel/oil/pressure. Check your fuel pump or timing system
@@IzzyE9X thank you! Much appreciated man
Sounds like this could be a bad tensioner. They will knock n sound scary and for good reasons
I apologise apparently I read your post wrong. Thought knock instead of tick. I recently had the same issue. Only no misfire codes. Lean codes now and again. My first thought was right fuel regulator. However I also found that I had a leaking injector so I replaced that one and cleaned the others. Went ahead and changed plugs and coil packs as well as the crank sensor. What made me check the injectors was a strong gas smell. What was your issue?
My fuel injector went bad at 107,000 miles! How is that possible
sadly it can happen whenever! age factors into the wear as well. usually replace them once and you never have to again
Do you have to code injectors on these?
Nope!
@@IzzyE9X awesome! Thanks for the quick reply. 🙌🏻
What’s that tick tho
It’s the engine oil not cleaning the hydraulics
Put the car in park, and rev it to 3k rpm. Hold it there for 2-3 minutes straight. Itll clear the tick from the engine. Just gets the oil circulating properly. Its what the dealership will do
i get 8mpg and now my car is shaking and misfiring like crazy to the point where i can't drive it anymore, you think this will solve my issue ? 😂
I would check your spark plugs and coils first but yeah, this could be as well 😂
@@IzzyE9X i think so too cause i have already replaced all my spark plugs and my coils look good
@@lacroseee Hey, it did improve it a little bit but it was still kinda the same. It ended up being the disa valve, if you have a n51 engine and you have less then 150k miles you could get it fixed for free from bmw with the SULEV warranty.
Do you need to disconnect the battery for this
Whenever doing anything electrical, I would disconnect the battery just to be safe. I doubt you will hurt anything though to be honest
Great video thanks !