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Old 05-20-2010, 01:22 PM
BigCo540i's Avatar
BigCo540i BigCo540i is offline
The Usual Suspect
Location: Richmond, VA
Join Date: Jul 2007
Posts: 2,732
Mein Auto: '12 X6 50i
Would belts or pulleys cause a constant sound? The intermittent is throwing me off.

What happens when you raise the RPM's say to a steady 2500 or so?
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