car is idling rough when in park once in drive it runs great

Asked by May 17, 2016 at 12:11 AM about the 1995 BMW 3 Series 325is Coupe RWD

Question type: Maintenance & Repair

1 Answer

107,305

It could be bad spark plugs, dirty injectors, early warning of a blown headgasket, pull the plugs engine with the engine cold and see if they are wet, if you do find coolant in a cylinder then you know your problem, also your plugs will show signs of coolant burning.

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