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Old 05-16-2005, 05:48 PM
Lanc3r Lanc3r is offline
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Join Date: Sep 2004
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Mein Auto:
A guess: O2 sensor.

I would normally spout off the "routine" items that afflict the aging E30s, but Dude! You have an M3! I would STRONGLY recommend a good Independent mechanic with M motor experience. IIRC there are 10,000 mile valve adjustment intervals with the M motors. This "could" be your problem. But, without some kind of history (parts replaced recently, last tune-up) its quite difficult to diagnose.
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