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rough at idle
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  1. 3 Series & 4 Series
    Hello everyone, My name is Alex and I am currently new here to the forum. Purchased my car about a year ago with 86xxx miles, I am now currently sitting at 105xxx miles and now my car has a rough idle. STORY: I needed an oil change so I took my car to the closest BMW dealership to get...
  2. E46 (1999 - 2006)
    Hello, first post so let me know if I should give more info. Make and model: 2001 BMW 330i (104,000 miles) Lets start from least serious issue to most, firstly there has been some issues with starting the car, I will turn the key and it will turn over and “crank” for a few seconds then I will...
  3. E30 (1982 - 1993)
    PLEASE HELP Hi everybody I have a 1990 bmw 325i automatic transmission vin WBABB2312LEC22100 And it’s been running rich. It smells like gas when I start the car and it has a very rough idle. The idle goes low and high and when that does happen the check engine light turns on but when it’s runs...
  4. E46 (1999 - 2006)
    2004 M54 325i 215,000+ miles Im going to try to keep this nice and simple, but what are some things you guys suggest me doing. I really need help :( I need to fix this car as soon as possible because my parents aren't going to let me use their car for long. If i can't get my car fixed soon...
  5. E90/E91/E92/E93 (2006 - 2013)
    So I have two codes on my 2006 BMW 330xi. 2a2e and 2a2f or the p0175 and p0172 which mean bank 1 and 2 are running rich. I ran a activation test of the injectors and my #1 injector seems to be the problem. I also clocked all the injectors and they worked fine. I pulled the plug on the #1 and I...
  6. F30 / F31 / F32 / F33 / F34 / F36 (2012 - current)
    I have a 2012 328i. When in idle it will occasionally surge and the rpm's will jump from about 500 to 1000. It will even stall out occasionally. I am getting a drive train malfunction and the check engine light in on. I am getting a system too rich bank one code (P0172) and an air flow too...
  7. 7 Series - E38 (1995 - 2001)
    I own a 2001 7 series BMW with 110,000 miles that looks like it may need a new timing chain. Without boring you with the details, I'm seriously thinking of having them pull the engine and partially rebuilding it. If I do this, what could anyone suggest that I should have done while the engine...
  8. X3 F25 (2011 - 2017)
    2015 X3 has 51K miles and is now running rough and stalling when I put it into reverse to get out of the garage. It puts itself in neutral and gives a message to put it in park. No other messages. It starts just fine immediately after but still feels rough and no get up and go like it used...
  9. X3 E83 (2004 - 2010)
    Good Morning, All! I've been trying to solve this on my own, but to no avail. Cold or Warm, engine Sputters in Park/Neutral. Sometimes seems like it's misfiring while driving. Throwing codes P0171 and P0174, then Codes P0300-0306 (Never all together) *edit* Always P0171 and P0174, only...
  10. E90/E91/E92/E93 (2006 - 2013)
    Hi Guys, I have 2010 BMW 328i xDrive SULEV (N51). I had engine misfire in cyl 1(Code:29CD) with CEL ON and car was shaking/ rough idling. There was also an oil leak from valve cover gasket. So I replaced gasket, eccentric shaft sensor seal, spark plug seal and replaced all 6 spark plugs. Now I...
  11. E46 (1999 - 2006)
    I have a 328i E46 and it ran great the first day I had it. The next day I was driving and all of the sudden when I pushed the clutch in to prepare for a stop the car stalled. After that it was idling very low and stalling now and then. I cleaned the maf sensor and when that didn't work I...
  12. E90/E91/E92/E93 (2006 - 2013)
    Hello all I am in a major issue right now and I need some advice, and major help. I recentley have been having an issue with my 2012 n55 335i coupe. I went to go have it serviced for just a basic coolant fill up. When I left the car went into reduced power mode. I would shut the car off and than...
  13. E90/E91/E92/E93 (2006 - 2013)
    Ive read all the older posts of the same problem I've just developed in my 328i. I have almost 25k miles and today it began to rough idle. It does it in all gears. From reading all past posts I've come to the conclusion that it could be a number of things. Im thinking it could be ignition coils...
  14. E60 / E61 (2004 - 2010)
    Unfortunately, I had a rough time replacing my spark plugs in my e60. It's a twin turbo 535xi that i decided would be great to change the spark plugs myself to get a little intimate time with me car:thumbup: It was going great.. until... Ok. So I only changed the spark plug in the first...
  15. 7 Series - E65 / E66 (2002 - 2008)
    Hello, I have 2007 750li... Recently I noticed it started having rough idle rpm... I found that intake (throttle) boot is cracked. I replced it but the car still idles rough... No matter when - cold engine or hot... Any ideas? Did someone run into the same problem? Please help!? Thank you so much!
  16. E90/E91/E92/E93 (2006 - 2013)
    I have a 2009 328i xdrive and ever since i changed my oil to 0W-40 I've had problems. It has a rough idle and when i'm driving and press on the gas the car shakes and drops in rpms and then returns to normal acceleration. I've been told the MAF may need to be cleaned since i just had it...
  17. F10 / F11 (2011 - 2016)
    Hello Everyone. New User here. I've had a 2002 525i for about 2 months now. Just rolled over 200k miles so I expect some issues. Lately, the car starts very rough, idles very low, and has almost no power. It can't be driven more than about 15 feet. If you hit 1500 RPMs the car bucks and stalls...
  18. E90/E91/E92/E93 (2006 - 2013)
    Got misfire code for cylinder 3,4 & 6 Moved around coils and erased codes to test them, couple miles later got the same codes; 4,5 & 6 Did the same with injectores and noting Bought new spark plugs and the same I dont have a trustworthy mechanic close by so ive been doing it my self I bought...
  19. E90/E91/E92/E93 (2006 - 2013)
    This has happened twice to me and it seems difficult to reproduce. Thought I'd ask here. The end result is a misfire and a high pitch whine from under the vehicle. 2008 328i E90 w/82K miles and no major problems so far. First time it happened, car was cold started, driven on the highway for ~...
  20. 7 Series - E65 / E66 (2002 - 2008)
    Longtime Lurker here. I've learned so much from this forum and saved so much $$$ that I can't even explain. With forum like this and YouTube, going to Stealership is not an option, at least for me. I am not very mechanically inclined person :yikes: and tend to learn hands-on. And this forum has...
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