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engine stuttering

  1. Engine too loud at ignition! Is this normal??

    E46 (1999 - 2006)
    When I start my car, it starts with engine shouting very loudly. It even seems as if it is going to die off i.e. like stuttering. Then after a minute or so, all of a sudden it settles down into an almost inaudible sweet idle! From then on, it is sweet sound of a powerful Bimmer that I hear...