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  1. Bmw e46 rough idel

    BMW 3 Series Forum - Technical Talk on the BMW E46
    Just got the car. 18 years old, 40 thousand miles sat around for 4 years sorn. One owner, I did an oil change. I was wondering is it normal for the engine to run rough for 1 minute then smooth off or is this a sign something is needing fixed?
  2. E39 2002 M54B25 - rough idle

    BMW 5 Series - Tech Talk For All Gen Of 5 Series
    Hey guys, I've been having some issues with rough idle after stopping the car and putting it in the neutral (manual gearbox). I've already replaced the MAF and the Idle control valve but that didn't help. I've also replaced the O-ring on Disa valve. The idle sometimes falls really low and the...
  3. 2004 e46 316ti, rough idle and difficult hot start

    BMW 3 Series Forum - Technical Talk on the BMW E46
    Hello guys, My name is Sergei and i live in Holland. I recently bought a e46 316ti compact. After a few weeks i noticed the following syptoms: - Car idled rough, like it's got a big aggressive cam. Nice and steady at 700ish rpm, but rumbling. - Hot starting is horrible, there is some serious...
  4. 2005 E46 318i (N42) rough idle after changing starter

    BMW 3 Series Forum - Technical Talk on the BMW E46
    I replaced the starter the other day and now the car starts fine, idle is ok for a few seconds and then it starts going up and down as if it's about to die. When it starts this mood swings, a yellow warning indicator in the middle flashes. The EML light is constantly on, but only the text one...
  5. 2014 F15 X5 30d 'rough' gearchanges when downshifting in low gears

    BMW X Series - Tech Talk For All Gen Of X Series
    Hi, looking for a little advice regarding the title above. I have a 2014 F15 X5 30d (I'm told with the 8-speed box) that I have noticed in the past couple of weeks has started to feel 'rough' when downshifting into low gears. I would say it's noticeable below around 25mph when slowing down or...
  6. E36 328i soemtimes starts running rough and slow

    BMW 3 Series Forum - Technical Talk on the BMW E21
    Hi, i have had my 1997 328i coupe for over a year now and a while ago it started developing a problem where it would cut out. I took it to a garage and they replaced the cam shaft sensor which fixed it for a while and it completely stopped cutting out. A while after it started having a problem...
  7. N42 Rattling and Rough Idle when Warm

    BMW 3 Series Forum - Technical Talk on the BMW E46
    I'd be interested to know what everyone's thoughts are! Cheers.
  8. 320i 2010 Rough Idle mainly when cold

    BMW 3 Series - Tech Talk For All Gen Of 3 Series
    Hello, New to site so firstly apologies if this problem has been posted previously. I have a 2010 320i and recently I have had a rough idle when starting, usually when cold, took to garage first time around and the ECU reported an issue with the number 2 ignition coil, replaced the ignition...
  9. 2006 E90 320i rough idle after cold start

    BMW 3 Series - Tech Talk For All Gen Of 3 Series
    Hi, I drive E90 320i engine N46 110kw, 225t kms. Sometimes I have rough idle for 10-15 secs after cold start OR engine dies after 3-5 secs after start. No other problems, mileage is ok, drives fine. I did a lot of work on engine: - 8t kms ago sparks, cleaned KN air filter, engine flush + new...
  10. 2006 E90 320i rough idle after cold start

    BMW 3 Series Forum - Technical Talk on the BMW E21
    Hi, I drive E90 320i engine N46 110kw, 225t kms. Sometimes I have rough idle for 10-15 secs after cold start OR engine dies after 3-5 secs after start. No other problems, mileage is ok, drives fine. I did a lot of work on engine: - 8t kms ago sparks, cleaned KN air filter, engine flush + new...
  11. S4 E85 rough idle - suspected cause

    BMW Z Series - Tech Talk Z1, Z3, Z4, Z8, Z9
    Hi all, Having just fixed the roof myself and the dsc she’s decided to present me with a new problem - a rough idle. This has been getting progressively worse, which I initially put down to not driving her much but after inspecting in more detail I suspect the oil leak in the attached photos...
  12. BMW 2007 320I coupe - Rough Idle Issue

    BMW 3 Series - Tech Talk For All Gen Of 3 Series
    Hi All new to this forum and as a BMW owner! I was hoping some of you may be able to help me with my issue.. I bought a 2007 320I 2 litre coupe with 80k miles with full BMW service history. So i have had the car a week and have only just noticed it has the smallest rough idle when ticking...
  13. 06 320d Rough Start - MAOZUA C310+ any good for fault codes?

    BMW 3 Series - Tech Talk For All Gen Of 3 Series
    Sorry if this is posted elsewhere, I have tried searching but I keep getting errors on the forums. My '06 320d auto has developed a fault where it is really, really rough on starting (lumpy engine to the point of cutting out, tons of black/gray smoke from the exhaust etc.), but is fine once...
  14. Steering knock/judder over rough round and speed bulbs

    BMW 3 Series Forum - Technical Talk on the BMW E46
    When every I go over rough road or speed bumps the steering wheel judders and makes a knocking sound, I checked the coupler and doesn’t move much but the column does as it enters the firewall, looking at the steering column there seems to be quite a bit of movement, could it still be the...
  15. 630i very rough idle (sometimes)

    BMW 6 Series - Tech Talk E24,E63,E64,F12,F13
    Hi all! My 630i (06 plate) occasionally idles very roughly indeed. It literally shakes the car at lights/junctions etc. Whilst exhibiting this issue, the power also comes in spurts and surges, making driving on a busy street both embarrassing and a bit frightening! Also whilst exhibiting this...
  16. HELP! N53 Rough Idle - Need help with CODES

    BMW 3 Series - Tech Talk For All Gen Of 3 Series
    I recently purchased an E93 330 N53 AUTO with 105K I noticed a rough idle particularly after a good run or when the engine is warm. It would start to hesitate on acceleration and RPMs drop and occasionally it would cut out. From cold it usually starts fine and drives ok. It pulls through all...
  17. 2007 N53 325 Rough Idle When Warm

    BMW 3 Series - Tech Talk For All Gen Of 3 Series
    Hi, I've been suffering from an intermittent rough idle when the car is warm for a few weeks now but this is becoming much more regular. I initially (incorrectly) assumed it was ignition related and either a coil or plug was at fault. After changing the plugs and checking the coils the problem...
  18. 2005 X3 E83 - Rough Idle and hesitant below around 2000 RPM

    BMW X Series - Tech Talk For All Gen Of X Series
    Hello, My X3 isn't running well, as above the idle is rough and the engine is hesitant below around 2000 RPM. If I disconnect the vacuum pipe from the EGR valve and plug it, the engine runs fine, although with the EML showing. I'm assuming that the fault is somewhere in the EGR system...
  19. e46 318ti N42 engine rough idle

    BMW 3 Series Forum - Technical Talk on the BMW E46
    So this is starting to really bug me now lol When i start it up it shakes and splutters and then will sort its self out I have changed both cam sensors and timing solenoids and no real improvement Anyone got any ideas??
  20. 2007 116i N45 Very Rough idle stalls

    BMW 1 Series - Tech Talk For All Gen Of 1 Series
    Hi I am looking for some help from the experts with a fault that I have been unable to diagnose. The car has a very rough idle and stalls. At higher revs it stutters. There are also times that it will idle smoothly and there sounds to be nothing wrong. The car always starts easily. The engine...
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