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lumpy

  1. E46 (1999 - 2006)
    2004 M54 330i petrol auto Greetings all from a newbie, just looking for some more check points to a non starting engine. Symptoms have gradually got worse over several weeks and now failing to start with continous cranking. I've listed checks and parts replaced so far as follows: Difficult...
  2. E46 (1999 - 2006)
    Can any1 help? I have got a year 2000 e46 320 diesel, when it's cold it struggles to start and when it does a ploom of grey smoke comes out of the exhause but when it's warm it starts ok, also when the engine gets up to temp it runs lumpy on idle, the revs drop and the same colour smoke comes...
  3. E39 (1997 - 2003)
    Hi all - I've been having a rough idle problem in my 1997 520i, the car when driving is superb with no problems at all but when it's idling it is very lumpy and occasionally I hear a knocking sound when the rev falls to near stalling (what do you think is actually knocking - its quite loud and...
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