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  1. General BMW Questions
    Hi all, I just took delivery on a brand new X5 xdrive 40i on 12/8/23, stunning and perfect in every way until after about 9 days of driving it I experienced the first drivetrain malfunction warning (the yellow one, says still driveable but at reduced engine performance), this occurred after...
  2. E90/E91/E92/E93 (2006 - 2013)
    Hello! My check engine light on my BMW E90 318i has been on for several months since my local dealer also has some trouble finding it. When the computer was read out for the first time, my dealer linked this to a bad lambdasonde (this is how we call it in Belgium), in English it's called a...
  3. BMW Diesel Owners & Enthusiasts
    Any opinions. My local shop took the car to local big city BMW dealer to clean the emissions codes but they couldnt, and they stated they elevated the issue first to BMW USA and then to BMW Germany w no luck. And now essentially the car cannot run. First, I not sure if what I was told makes...
  4. X1 E84 (2011 - 2015)
    Hi Guys, the vehicle only has around 46k. Noticed a slight loss of power under hard acceleration, also noticed the cooling fan running full speed at certain times. Then the CEL illuminated with P0128. The weather has recently cooled off here in the northeast. I noticed the heat did not seem as...
  5. The MINI Board
    Hi, I have a 2007 Mini Cooper S, N14 engine with turbo. I apologize in advance for the long post, this is my first post ever lol. I was driving down the road around 40mph, heard a slapping noise, the check engine light came on and it started getting hot. I immediately pulled over and turned the...
  6. E90/E91/E92/E93 (2006 - 2013)
    Hello everyone i have a 09 bmw 335i e93, coming upon a year of ownership, i've done alot of maintenance to it i will include a list at the end of this post, my problem is everytime i do a light/medium acceleration i get a half check engine light, and the only code reading is a 30ff- low boost...
  7. X5 E53 (1999 - 2006)
    I have a 2006 BMW X5. The other day the service engine soon light comes on, took it to the shop, said it was the gas cap code. Replace it and cleared the code. The light has come back on. The car is running great but no clue why the code has showed up again. Thoughts?
  8. E90/E91/E92/E93 (2006 - 2013)
    hello everyone hopefully someone can give me some insight as to what this MIGHT be?? can i drive it to the dealership/a shop? the check engine light is on. the day before there were no issues, sounds, etc. turned it on and the check engine light was on. i drove to the end of the parking lot...
  9. F30 / F31 / F32 / F33 / F34 / F36 (2012 - current)
    Hello, Lurker but a First time poster here. I am having an issue with my 2012 BMW 328i. I've had the car for 2 years now and about 3 months after buying the car I started getting a Drive Train Malfunction Error (loss of power) on the idrive display. When I turn the car off the drive train error...
  10. X3 E83 (2004 - 2010)
    Hey forum, I was hoping to get some advice/help on my 2008 X3 (e83, N52 engine) A few weeks ago I decided to undertake the work to change out the valve cover gasket myself, and while I did so with no roll-overs or gaps in the sealing, several other problems have arisen since then. 24 hours...
  11. 7 Series - E65 / E66 (2002 - 2008)
    hi guys i have a misfire on multiple cylinders, it is usually possible to drive around it but hills will usually trigger it. the cylinders are not just confined to one bank. i have tried new spark plugs, once removed there was no trace of oil on the plugs. i switched coils around and no change...
  12. E90/E91/E92/E93 (2006 - 2013)
    My 2011 335i coupe with FMIC and Cobb Aggressive tune just recently lost its serpentine belt, and I would love to understand why this happened. So any theories on the following would be welcomed. Of course, when the belt came off, it went into the engine through the crank shaft seal. In...
  13. E90/E91/E92/E93 (2006 - 2013)
    I recently purchased this car, but after making a 2 hour drive it just started hiccuping while driving but then return to normal. Now it's completely shutting off whenever the check engine soon light turns on, it'll hiccup when it flashes for a few seconds. This usually happens whenever its...
  14. X5 E70 (2007 - 2013)
    History: Bought 2013 3.5D CPO in Feb of '17 w/21K miles. According to records, oxygen sensor had been changed at 17K miles. Now has 47K miles and has been in 4 times for check engine light: Three times for oxygen sensors (both in front and back of cat), and once for active DEF tank just a week...
  15. E39 (1997 - 2003)
    I posted yesterday the full breadth of my problems, but limited response. Started to think my problems are related possibly to VANOS, not a vacuum leak. This morning, car started a bit rough in terms of idle, then cleared up pretty well after two miles. Went to a drive through for food, and...
  16. E39 (1997 - 2003)
    Hello, I feel like I have enough random symptoms, that i need to start a new thread. 2000 BMW 528i 94000 miles owned for 8 years. Recently replaced secondary air pump--sounded like a jet, secondary air pump valve--bad advice, and one of the o2 sensors--up top near front of engine, and valve...
  17. E39 (1997 - 2003)
    Hey guys, I have a 02 525 and I'm having a problem trying to figure out what's causing my check engine light to come on and off almost every other day. I've noticed the car smells as though its running rich and the light will come on when I start to get low on gas. So I'm not sure where to begin...
  18. E90/E91/E92/E93 (2006 - 2013)
    While attempting to pass a vehicle I shifted into "Sport Mode" and floored it while shifting in order to make the pass. The "check engine" light came on and as I coasted to a stop at a red light the car was running poorly and missing at idle. I pulled off the highway to look for a service...
  19. 7 Series - E38 (1995 - 2001)
    If i sit at idle, my CEL flashes for about 1/4 of a second every 2-3 seconds, slowly increasing in frequency and length, until the CEL just sticks on there and the car comes damn close to stalling. RPM's have dropped to nearly 0 when this happens, but usually hover at about 400. The CEL Code is...
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