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  1. UK
    2003 318CI auto. Loss of power, requires more foot on the gas to get it moving at higher rpms. For the last month my car has been experiencing loss of power particularly at higher RPMS. Keep getting a clunking noise from under the car like the whole bottom end is just going to fall apart. On the...
  2. UK
    Hi all, I recently got rid of my trusty old 330ci, about 2 months before selling the car I brought a replacement engine for it as mine was on 200k miles and replacement only has 87k but I never got round to changing it, just wandered if anyone on here would have a use for the spare engine I have...
  3. E46 General
    Saw a lot of smoke from my exhaust at a red light that caught me mid-pull (Wide open throttle, 400rpm before the redline shifts) 1 minute later, at a second red light, no smoke, when I parked the car also no smoke. Can I assume that it was unburnt fuel in the exhaust/cats or should I be...
  4. E46 General
    Hi all, So I have started doing my engine oil pan gasket as it has been leaking alot of oil from a ll around most likely due to age of the car. I have the car up on ramps and the engine lifted up a few inches with an engine support bar in place. As I unbolted the K Member and lowered the jack...
  5. E90
    N45 is engine produced and implemented in BMW models from 2004-2011 in BMW series 1 and BMW series 3 . N45 is based on N46 ,but with no Valvetronic . I just completed my BMW N45 overhaul , it tooks me few days to completed it. The video below👇👇👇 is showing the main moments of engine overhaul...
  6. E46 General
    I know this question has been asked multiple times but I haven’t been able to find a proper solution for this if anyone knows more about it let me know. OK so basically couple days ago I was working on replacing my oil filter housing gasket and then after I was done when I started my car beside...
  7. E46 General
    I've had this sound for a week. didn't exist before that. The sound comes when the engine is warm. It disappears after 2 rpm. My friend said it was an lifter tick and had the same issue on his 328, put mobil1 10w40 oil and the sound was gone. 2,000 km to oil change. what do you think i should...
  8. Engine Swaps
    Hello guys, i have e46 316i 2001 and i would like to ask which engine is best to swap and also cheapest. If its possible to do only “plug and drive” or if i have to change some things after swaping engines to like 2.5-3.0 Thanks for any advices. #drivesafe
  9. E46 General
    I have been blessed by the Maintenance Gods today. During reassembly of the OFH, the top-right bolt hole (fig. 1 - circled in yellow) stripped out. I understand this is common issue with these engines so I want to offer the solution I've come up with, and ask for tips or advice before I fix it...
  10. Engine Swaps
    Hello my friend have engine from e60 2.5i 160 kw and i think if its possible to pít it in my e46. can someone tell me if it possible and is it worth?
  11. E46 General
    Hi there - long time lurker (the DIYs here have been fantastic - thank you), first time poster. I own an 2003 Imola Red E46 M3 Convertible 6 speed that is due to get the engine mounts replaced next week. What I'm hoping for is any input on to other maintenance/pattern failures that should be...
  12. E46 General
    I've been having couple of different problems with my 323ic, however I am completely unsure what this wire is for, if anyone knows or might have the smallest of ideas, please let me know!
  13. UK
    Hi all, new guy here, my wife's 54 plate e46 has developed a tapping/rattling noise from the engine but its only noticeable above 1500/2000 rpm and not noticeable when on idle /not under load Anyone help as to what it could be?
  14. E46 General
    Hello, I have a tricky one on my hands if anyone could help. My e46 wants to start and die when I’ve already ran it for a while and the engine is heated up. I can’t even keep it going with the throttle. I know the check engine light has been on the entire time I’ve owned the car, but I never...
  15. E46 General
    Hello, So I drive a 330ci approx. 145k and of late have noticed a strange ticking coming from the engine bay while driving. The noise comes and goes with various levels of volume. It sometimes does come right away when starting the vehicle but usually comes after driving for a minute or two. I...
  16. E90
    Hi everybody. A week ago my friend drove his E90 too hard and he said the rev count got into the rev zone at about 7500rpm. After that, he said the car drove very rough and the revs were fluctuating similar to a misfire. Just 2 days ago my friend drove it to my place of work gently and he said...
  17. E46 M3
    I'm so happy to finally have my dream car. It's a 2003 6-speed with 134k on it for about $16k. I'm excited to be a part of this community and I hope you guys can help me order my list and fill things in where you think they're needed. The car seems like it was taken care of. I can tell by the...
  18. E46 General
    Hey everyone. I’m quite new to cars and i decided to buy this 2002 E46 330i. I checked underneath my car today after going down a driveway way too fast.. and found this hose just hanging there. Any clues on what this is and how i would fix this if it’s broken?
  19. Forced Induction
    I recently did a turbo install on my 2004 325ci, m54, SMG, ms45.1 and I have run into the problem of knocking or loud pinging when at idle or cold, in addition to a very rough idle. Parts installed listed below. 35mm Bov Universal aluminum intercooler and 2.5inch piping. AEM boost gauge Oil...
  20. E46 General
    Hi I just got a 1999 323i with 83 500km on it its started misfiring 4 days ago I changed the spark plug and swapped the coil pack around and the missfire was still on cylinder 1 I did a compression test here are the number 1/120 2/150 3/160 4/170 5/180 6/180 the car was running poorly I used sea...
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