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  1. E36 (1991 - 1999)
    Hey folks, 99 vert here. I REALLY need some help figuring out my next steps. Let me outline my situation as clearly and concisely as possible and hopefully you guys can guide me on what to do next as it's been very frustrating. I've had the car for a few years now, mostly trouble. I initially...
  2. E60 / E61 (2004 - 2010)
    Hey guys, i need help diagnosing my BMW Misfire, heres the story. Bought a 2007 525I E61 from an old guy, its only done 82XXXkms (about 51xxx miles) it was running pretty mint. a little jerky from take off, so i attributed it to maybe needing to clean the injectors as he drove it around slow for...
  3. E60 / E61 (2004 - 2010)
    Hey, my car the other day suddenly threw a engine light while I was driving on the high way, and knew it was a misfire as there was little power after that and shook when idled and so on. Once I got home, I checked and made sure it was a misfire and it was a misfire in cylinder 1. Also had a...
  4. E46 (1999 - 2006)
    Hey folks, I'm new here my name is dylan I have a 2000 323ci that I bought a few weeks ago, and I wanted a fixer upper so it has a few issues but nothing I can't fix at the shop where I work. I just need some help with codes and what they mean. I bought a lil $100 obd and readiness code scanner...
  5. E39 (1997 - 2003)
    Hi team, Hoping this is something small to at least get the car to turn over! Heres the rundown: 2002 e39 520i (*note the car was using oil quite abit i feel, had to top it up quite a lot, after the long trips, not sure if this could be caused by the problem? just to keep in mind when reading)...
  6. 5 Series
    Hey y’all. I’m driving a 2013 bmw 550Xi. I was on my way to town when my check engine light started flashing and all of a sudden I got the DTM notification and car started hesitating. I pulled over to see if turning off the car and back on would be of any luck. Didn’t do anything, luckily I had...
  7. E60 / E61 (2004 - 2010)
    Well I was driving home from lunch with a friend when suddenly there was a loud bang, then a grinding noise. When I pulled over it was idling very rough, like car was shaking. Trans fault popped up, then check engine light. Engine oil was changed less than a month ago, so was coolant. Valve...
  8. E90/E91/E92/E93 (2006 - 2013)
    Hi all!! So I know there has already been many articles posted regarding this issue but I cant seem to find one thats specific to my problem. So any help is greatly appreciated. I want to get all my facts and details together before going to the shop because we all know how much they love to...
  9. E90/E91/E92/E93 (2006 - 2013)
    Hi all, Today i decided to to the following on my E91. I replaced: Valve Cover Gasket, Eccentric shaft sensor and seal, Valvetronic motor seal, spark plugs and coils. The job itself went very well aside from your typical struggles with wrestling the valve cover off and putting it back on and i...
  10. E60 / E61 (2004 - 2010)
    Hello, I am having constant cylinder 5 misfire for a while now. I had the same issue last year and solved by changing all plugs and coils. Plugs are bosch fine wire and coils are also bosch from FCP euro. I started having the same misfires only under load in cylinder 1 and 5. I changed out the...
  11. Ask-A-BMW-Dealer
    What would make this engine only run on 2 cylinders? I've replaced the following parts: Crank position sensor 2 cam sensors Pcv tubes CCV boots upper and lower Fuel injectors Spark plugs Fuel pump Fuel filter/ pressure regulator MAF sensor Front cats -1 year ago I've checked: Spark - good...
  12. 7 Series - F01 / F02 / F03 / F04 (2008 - 2015)
    I bought a 2011 BMW 750Li xdrive in March. It has 60,200 miles on it currently. I was expecting the need to replace spark plugs at 60k miles, but i procrastinated and 3 spark plug went out not at the same time. I changed all the spark plugs. I changed all drive coils by a professional mechanic...
  13. E46 (1999 - 2006)
    I'm looking at a 330ci to buy, but the car threw misfire codes on cylinders 1 and 4 (2742 and 2747). The previous owner claims that this was just caused by him stalling the car earlier that day, judging from the time stamps on the codes. Is it possible for the engine stalling to be cause cause...
  14. X5 E70 (2007 - 2013)
    2007 X5 4.8i 170k miles The car recently started having issues with a misfire, rough idle, and hesitation. When the problem first occurred it was the following day of a mountain trip, the drive is very tough on any car, and the next day in a rush I did not let the car warm up fully and about 5...
  15. F10 / F11 (2011 - 2016)
    I noticed i have a slight miss while accelerating lightly at about 11-1500 rpm. It happened stock and as well as tuned stage 1 an 2Has anyone else had this before?
  16. X3 E83 (2004 - 2010)
    Hi guys, interesting issue that stumped the mechanic and myself, hoping to get some advice from some experts here. State of the Car: 2007 X3 with 195,000 miles. Battery 1.5 years old, changed oil 1,000 miles prior to incident. MAF replaced 15,000 miles ago. 3 of 4 O2 sensors replaced 20,000...
  17. X6 E71 / E72 (2008 - 2014)
    I have a BMW X6 2010 V8 which I bought couple days ago, I wanted to try how fast it could go, once I fully throttle engine lost power, rpm went down and a 1/2 check engine light came on with an engine fault message reduced power. I turned engine off, then on again, all clear, did same thing and...
  18. E39 (1997 - 2003)
    I’ve got a 2002 540i with the M62 with 92k miles on it. A while ago, when I first got it, it threw a code for a malfunctioning camshaft position sensor on bank one intake, which went away after a few days for some reason. Within the past year or so, it’s started to get a really rough idle and...
  19. E90/E91/E92/E93 (2006 - 2013)
    Hey guys i got a 08 328xi sulev and it intermittently misfires on cylinder 6. Sometimes on cold starts it does, sometimes it doesnt. If i dont let the car warm up for at least 10 minutes it begins to misfire while driving (even if i shift below 3k and accelerate slow). On super cold mornings...
  20. X3 F25 (2011 - 2017)
    Hey guys, I have a 2015 F25 35i (N55). When my wife was driving it the other day she complained of a couple rough “lukewarm” starts. The following day on the highway it began to run very rough, check eng. light came on and gave the Drivetrain Malfunction warning. My wife worrying about damaging...
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