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Old 12-12-2012, 04:00 AM
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BMWFatherFigure BMWFatherFigure is offline
Old School
Location: Perth, Western Australia
Join Date: Aug 2012
Posts: 4,106
Mein Auto: E23;E32;E34;E38;R50;R55
Sounds like you have a vaccum leak that is causing your engine to 'run on' (the correct term) after you turn it off. The engine uses the remaining fuel in the inlet tract which is not usually enough to give a full power stroke. (A bit like a gun misfire and jam) The engine runs backwards briefly and lets a part firing compression back into the inlet manifold. Does it start to come clear? BTW when cars had carbies they could run on for 15 seconds or more. Good for damage as NO oil pressure. Fix the vac leaks and go from there.
Good - Fast - Cheap: Pick any two.
3 x E32 735iL (Alpine White, Glacier Blue & Kashmir Beige); 2 X E38 735iL (Oxford Green & Alpine White); E53 X5 4.4i (Pearl Beige); R50 Cooper; R55 Cooper Clubman (Both Pure Silver).
E38 Parts Car
E21 318i; E23 735i; E30 318i; E32 735iL; E34 535i; E38 730iL; E53 4.4i
I've just changed my wiper blades and now my reverse lights don't work. Should I change my fuel pump relay?
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