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acceleration
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  1. 7 Series - E65 / E66 (2002 - 2008)
    Morning all. My 2007 760 Li is very slow on acceleration and struggles to maintain speed up hills. It is still very smooth and not misfiring at all. It has full rev range and goes through the gears nicely. No fault codes, no misfire or dead spots on throttle. Smell of fuel too outside of car...
  2. F10 / F11 (2011 - 2016)
    Hello , i own a bmw f10 530D , when i start the car and go , at low speeds in the city traffic rpm are going 2000-2100 and then changing gear (also the engine seems to run in a rough way ) , at this moment the car seems to jerk . Also at 70-80 km/h sometimes the car sometimes seems not to...
  3. E90/E91/E92/E93 (2006 - 2013)
    So it all started after a pull 10 months ago. My serpentine belt ripped and went inside the crank seal. We all know the deal when this happens. I got all the pieces out BESIDES the ones stuck in the oil pick up tube (I forgot.) A few months after, I would notice my car would go into limp mode at...
  4. X3 E83 (2004 - 2010)
    Hello all, A new rattle has started on the X3, but I can't quite tell where it is coming from. It is very noticeable outside the car, but I can't hear it in the cabin unless I roll the windows down. It sounds like a metallic buzz/rattle, and it only occurs on acceleration. I would say this...
  5. E90/E91/E92/E93 (2006 - 2013)
    I'm pretty stumped here and would really appreciate any insight or information you guys have to offer on this. I have a 11' 335is (N54) that's blowing white smoke under heavy acceleration. It does idle with the smoke after I've been running it hard, but it doesn't consistently do so, nor does...
  6. F30 / F31 / F32 / F33 / F34 / F36 (2012 - current)
    Hi all, I've noticed my 2017 330i has less acceleration than my 2014 328i did. I've always used regular gas. I know BMW recommends 91 octane. How many milliseconds from my 0-60 will I shave if I switch from 87 to 91 octane? I've been googling and I find a lot of opinions but no actual hard...
  7. E39 (1997 - 2003)
    I bought a used '99 528i with a bit over 200k from a guy yesterday who said it had an idle problem. It does idle weird, but it doesn't stall out it just kinda shakes. However, the guy I bought it from didn't mention that the car accelerates really rough when driving 25-50 or so MPH. Especially...
  8. X3 E83 (2004 - 2010)
    I see a ton of threads about jerking at low speeds, but what about at high speeds. When I am on the highway trying to pass someone, over 65 MPH, the acceleration hesitates or jerks... The car starts bucking until I let off the accelerator... I am assuming this is something to do with the...
  9. X3 E83 (2004 - 2010)
    My car seemed to be miss firing when I accelerated and had a hick-up when I would brake. I felt like maybe there was a transmission issue. I had it looked at by three different mechanics and they gave me three different answers, from transfer case, to coils, to bushings! Finally I found a...
  10. E90/E91/E92/E93 (2006 - 2013)
    I have a 2011 328i with 75k miles. Just the stock model, not the xDrive. Whenever I accelerate between around 35 - 60 mph you can feel a really rough vibration. When I'm just cruising I can't feel any vibrations. It doesn't feel like its coming from anywhere specific, it just feels like the...
  11. X1 E84 (2011 - 2015)
    2012 X1 at 79k when I push hard on the gas pedal it takes few seconds for the car to gain its power and also when the windows are down I can hear like " hissssss" noise from passenger side window every time I push hard on the pedal.
  12. E60 / E61 (2004 - 2010)
    Hi guys Avid reader on the forums and deeply appreciate all the write-ups, DIY's and interesting content available. :) I have an E60 '08 525iA LCI M Sport (N53B30U0 - 3.00L 160kW/218bhp) which I bought shortly after moving to Spain and I absolutely love! It drives great, looks cool and gives...
  13. E36 (1991 - 1999)
    Hi guys, Yesterday my 94 325i started juddering and thudding violently while in gear and under acceleration. The problem occurred after about two hours of driving through mountain passes and feels to be underneath the front seats towards the rear end of the car. I pulled over almost immediately...
  14. E39 (1997 - 2003)
    Hi, The engine seems to sometimes falter when I take my foot off the throttle. As in the car accelerates just fine, but then when I release the throttle, occasionally the engine will stumble. Any one have an idea of what this might be? My car has been showing some performance issues for quite a...
  15. F30 / F31 / F32 / F33 / F34 / F36 (2012 - current)
    I am looking at two new models - the 320xi and the 328 xi. Both are 2016 demos. The thing about BMW that has seduced me is the handling. The grip on the road, the cornering are just incredible. Here's my question. I'm a bit price sensitive. The 328xi is really stretching my budget. I am...
  16. E90/E92/E93 M3 (2008 - 2014)
    We are starting vlogs in my BMW E92 M3! I would appreciate feedback and suggested comments for future videos! Thank you!! https://www.youtube.com/watch?v=N-aTJmE_52Y
  17. 7 Series - E65 / E66 (2002 - 2008)
    Hello Everyone ! I have a problem with my 03/2005 BMW 745D. The car does not accelerate the way it should. Its like it is blocked somewhere, when I push the gas the car does not go as quick as it normally would but it accelerates slowly. I took the car to the dealer and the said that it was an...
  18. E85 / E86 Z4 (2003-2008)
    Hi everyone! I seem to have an intermittent problem that comes and goes and relates to my powertrain. Usually during damp weather or after a motorway journey doing a constant 70mph (this may be in my head), i get hesitation during acceleration with partial throttle in any gear and any rpm but...
  19. E46 (1999 - 2006)
    My bmw 330ci is not accelerating at all past 50mph sometimes I have to restart it and then it will be fine. What's the problem?
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