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Old 01-10-2013, 08:34 AM   #6
Sansho
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Join Date: Jun 2010
Location: CT
Posts: 1,916
My Ride: 2001 325i
If it happens when you start up and goes away around 2 mins later, then it's associated with your secondary air pump (on the passenger side of the engine), as RG5384 mentioned above. The video sounds more like bearing noise. When was the last time the tensioners were replaced?
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