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Old 11-16-2011, 12:09 AM   #14
Registered User
Join Date: Jan 2009
Location: Indianapolis
Posts: 23
My Ride: 2001 325i sedan
I have a similar noise only at idle, it sounds chirpy and I swear its coming from inside the oil filter housing like the filter is rattling around inside. I can feel the vibrations also on the power steering resevoir. I have changed my idler, tensioner, water pump, belts, All needed at 145,000 anyway and it runs more quiet except for the chirping at idle. I am searching for a solution as well. Good luck and I will let you know if i figure this out.
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