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  1. 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...
  2. BMW 520d E60 M47 LCI - Vibrations in steering, brake peddle and cabin during Idle and b/w 90-120km

    BMW 5 Series - Tech Talk For All Gen Of 5 Series
    Has someone been through this - I feel like I am in a very annoying massage chair that's got a bad motor. When idling, I can feel a vibration in the steering, driver seat, floor, and peddle, umm and the gear knob. When I rev the car between 80 and 120km it feels bouncy as if the wheels are not...
  3. E82 120i intermittent starting issue and lumpy idle

    BMW 1 Series - Tech Talk For All Gen Of 1 Series
    Hi, just wondered if there are any known issues to check that can cause a 120i petrol to crank for longer before firing about 1 in 20 times starting it? Also has the odd lumpy idle about once a week. Car is a 2013 coupe 54k miles, not modified. Had new plugs to try to solve it but no change...
  4. 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...
  5. 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...
  6. 2003 320d- idle issue

    BMW 3 Series Forum - Technical Talk on the BMW E46
    Hi All I have a 2003 320d Touring , done 145k miles (12k of which I've done in the past year) The only issue I have with it is the idle; it idles at 720rpm (according to CAN reader) there is a fair bit of vibration - tickle it up to 900rpm and its smooth. If I look at the engine whilst its...
  7. E90 M57 330d idle blue smoke

    BMW 3 Series - Tech Talk For All Gen Of 3 Series
    Hi, Not posted much on here, but really need some help. My car is a e90 330d 231bhp m57 engine with 154k miles Car is remapped and dpf delete, standard exhaust and EGR in place. I have an issue with blue smoke at idle and some puffs once he blue smoke is at idle. I get a little puff with...
  8. 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.
  9. 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...
  10. Yet another idle issue

    BMW 5 Series - Tech Talk For All Gen Of 5 Series
    Hello, I have this strange idle issue with my BMW 540i 1998, manual six speed. The idle is fine at start, it is when cruising with the car, when the gas pedal is released, it goes erratic (dies to almost 0, jump up, almost 0, jump). When cold, it succeeds to find a stable rpm and stay there...
  11. E83 N47d20 idle hunting when cold

    BMW X Series - Tech Talk For All Gen Of X Series
    I've got an E83 N47d20 (not sure if it's a or c) that hunts when idling cold. Not massively and it goes when it's warmed up. has anyone experienced anything similar? I've had the EGR diaphragm/pulley off and that's actually pretty clean and moving well.
  12. 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...
  13. 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...
  14. E87 120d M47 Idle issue

    BMW 1 Series - Tech Talk For All Gen Of 1 Series
    I'm new to this forum and need help please. I have a 2006 120d e87 with the M47 Engine. I started my car and it started revving very high, the reves came down slowly and the car stalled. After that my car starts and roughly idles for a short while (About 2 minutes) and then cuts out. The...
  15. 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...
  16. 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...
  17. Lumpy idle after cold start 2010 330d

    BMW 3 Series - Tech Talk For All Gen Of 3 Series
    Hi guys. Purchased my new car a couple of months ago in the form of a 2010 E90 LCI 330D MSport with 115000 miles on the clock. I’ve noticed some mornings when I jump in and start it the revs are up and down and car is jerky until it warms up after a few minutes. Previous experience with other...
  18. can anyone help with my idle issue??

    BMW 3 Series Forum - Technical Talk on the BMW E46
    I am starting to get really frustrated with this now lol i have changed the following parts all 4 coils and plugs both cam sensors VVT motor both timing solenoids It still idles poor on start up then you rev it a bit and it corrects its self I was recommended to change to the new timing chain...
  19. lumpy idle really doing my nut any advice pleasenow

    BMW 3 Series Forum - Technical Talk on the BMW E46
    right guys so i have now changed both cam sensors, both timing solenoids and the VVT motor, also changed one of the pencil coils as even when clipped in you you pull it out with ease It still judders and is a bit lumpy on starting but then a few seconds it sorts its self out and idles the best...
  20. 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...
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