Everything you NEED to Know Before Buying a N54!
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- Опубліковано 25 чер 2024
- The N54 engine is surrounded by a massive love and hate relationship. From the high horsepower that it can withstand, to the many reliability issues that come up for owners. This platform has a lot to talk about. To both help you guys and answer many of the common N54 questions that we receive daily, the techs here at Precision Sport Industries helped compile this list of many of the commons things you need to look out for!
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Special thanks to / @calvinm for the educational wastegate rattle clips!
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What about the high pressure fuel pump
Great question! The HPFP is a very hit or miss issue. Surprisingly we see a lot of N54 cars coming in with well over 100k miles on their first HPFP with no issue. However, we have also seen cars come in with 60-80k miles and need a new one. Obviously once you go for more power and demand more from it, things might be different.
@@PrecisionSportIndustries Mine fail on stock power output after 50k KMS not MILES.
@@PrecisionSportIndustries i got 250k miles 530whp big twins no issue with original hpfp
HPFPs don't seem to be an issue anymore. BMW faced many lawsuits for n54 fueling issues back when the engine was still fairly new (cars would die randomly at highway speeds) and most if not all hpfp's have been recalled by now. However, if you're experiencing long cold starts and pressure drops in logs, the hpfp is definitely something to investigate.
2009 135i is the gem. U also need to own a couple gems to keep it alive
Perfect resume on n54
Thanks
You should go over the 6/8bolt N54 and trans too
Valve cover gasket can be done in less than an hour. Oil filter housing gasket can be done in bout an hour and a half. Oil pan gasket 2 hour to 3 hour. Don't go to a shop that say they are going to spend 8 hours to do a 2 hour work
Looking for work? We quoted book time here so viewers have an actual real world idea of the job, anything can be done quicker but not as quick as you have mentioned.
Fr bro
Mine is a 2009 335i, e93, downpipe VRSF, chargepipe vrsf, high pressure fuel pump from the 1M, tested on dyno with mhd stage 1, it's supposed to be 360hp & 520nm, dyno run 372hp & 530nm. Only 66.000 km, no problems, at all, oil change, every 5000 km
Make a n55 version of this!
4th liker and first fan of old BMW s 💕💓❤️💕💓❤️
HPFP tend to fail a lot too.
My plan was to keep my manual transmission E60 535xi stock, turbo wastegate rattle caused me to upgrade my turbos, one thing led to another and I had to do everything he mentioned, I had to get intakes for the turbos, needed all 6 index 12 injectors (pricey), needed a walnut blast, valve cover and gasket, oil pan gasket, downpipes, full custom exhaust, charge pipe and BOV, and a custom tune, plus a bunch of more things, N54 upgrades can start at $300 and take you all the way up to $15000-$20000, be careful.
Damn she must be running like a dream now though
@@AkatraZzify she is, so powerful my fairly new stock clutch is slipping under full load , so need to upgrade the clutch, more$$$$$ 😩😩
@@abelucious wow. Did you do a jb4 or mhd tune on it aswell? I just got a 335i e90 2007. Had it for one day and the coolant resovoir cracked and lost a lot of coolant haha
@@AkatraZzify I have an MHD backend custom tune done by twisted tuning for 22 psi on 94 octane, don’t let your car overheat .
@@abelucious wow that's crazy. So like 500+ hp?
I understand why your clutch is slipping 😳
I don’t understand why these cars are considered so unreliable. Everything mentioned here is accessory stuff. To make the same kind of power these engines can with just a tune I’d need to drop 10k to replace all the internals of my engine. Some occasional bad water pumps and seals don’t sound so bad
rod bearing failure?
I'm not trying to be that guy. But it's very off putting with the "Job Times" you've described. Valve cover can be done in a little over an hour. OFHG might be 2 if it's your first time.
These are based on the book time, which is something anyone would pay at any reputable, licensed shop. Of course things can be done quicker based on experience.
@@PrecisionSportIndustries oh I entirely understand where the times are based off of. That's how you get paid. And that's how the mechanic makes money. I worked book time for awhile.
I ask for your information on engine out job on my 650i.. no one ever replied
Give us a call 407-617-0372 and I will make sure it is handled!
Any tips for maximizing turbo life on the n54? I have 40k miles on mine. All is good now, but I want to make it last as long as possible
Stay off of boost whenever you can, change your oil on time.
@@BboyKamakaze808 The problem is the boost is fun, lol. Yea, I change oil every 3k miles
@@brandondarnes3699 I agree. I usually run stage 1 on daily then stage 2+ for the car cruises
@@BboyKamakaze808 Yeah, I haven’t tuned it yet, but I want to, just afraid to break something lol
@@brandondarnes3699 as long as you take care of all the oil leaks, injectors, and other maintenance items youll be fine
Forgot the rear main sail that shit leaks
just got 08 335i 128,000km for 8900? fair or no? im 17 so lmk if i got spooked...
I just bought a 07 M sport with 130.000 for 6.000. That's in Japan though
Y’all both got fair deals
I got my E92 09 335i Coupe with 172,000km back in September for $9000 (CAD). It has all service records going back several years with proof of maintenance. As others have mentioned, these cars can go many KMs if the maintenance is done right. I wouldn't be too worried on the price as long as you made sure the car didn't have a shoddy maintenance history.
If you're not sure on maintenance, I would get the oil filter housing gasket replaced right away. If that starts to leak and the oil ends up on your accessory belt, the belt can slip off and get sucked into the engine through the crank seal. Once it's in there it'll get chewed up by the timing components and clog the oil pickup and destroy the engine from oil starvation. It sounds scary but it's happened to too many people who didn't watch out for oil leaks.
In germany a good 335i costs over 20.000€
Got my 135i with 66,000 kms on the clock for 14k
Bruh those times are rip-off times
*Book time.
this is just an advertisement lmao
Dude so much misinformation in this video