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  1. 1997 E39 525tds -the whole car shake for 20-30seconds on cold start then it idle normally

    BMW 5 Series - Tech Talk For All Gen Of 5 Series
    My 525tds run a bit rough when started from cold, seem like mis-fire' the whole car shakes for 20-30seconds then it idle normally and drives fine' its a 1997 model with 132,000mls, what would normally cause that??? its getting annoying as its seem to get worse on cold start''