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Vewy Stwange Idle Pwoblem.... (archive)

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Posted by James on September 09, 2001 at 17:35:10:

My 88 528e idles fairly normally (600-800) during normal daytime driving. Here's the problem. When I turn on the headlights when the car is in neutral or park, there is no effect on the idle, this is what I would expect. When the car is in gear (like at a stop light) and and the headlights are on the idle drops to below 500 to the point where it barely runs. I have to turn on the AC, which jumps up the idle just enough to keep it running. When I start to move the engine still feels good (Ie. No missing or ruff running). If I turn my lights off everything goes back to normal...of course turning off the lights at night doesn't work vewy well.

Any suggestions about why this is happening would be very much apweciated. :)

James.


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