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Old 02-01-2013, 07:21 PM
Microtesties Microtesties is offline
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Location: Concord, NH
 
Join Date: Oct 2012
Posts: 101
Mein Auto: 1990 BMW 525i
I have a similar problem with my 1990 525i. Sometimes while driving a strange groaning/whirring sound comes from the dash seemingly right behind the radio. The sound varies with engine RPM and usually stops after a second or two after I let off the throttle (or maybe it really only lasts that long and I just do that instinctively). I can't find any pattern with it, seems to happen at completely random times. It's quite infrequent and short lived so I've just been ignoring it.
__________________
Year: 1990
Model: 525i
Transmission: 5 speed
Mileage: 250k
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