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Old 11-13-2012, 03:45 PM   #9
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Join Date: Feb 2011
Location: Tempe, AZ
Posts: 69
My Ride: 03 325i 5MT
I dont think the thermostat explains the horrible noise from the video. While you are replacing it, spin the pulleys (idler, deflection, and AC tensioner) to see if they sound odd or spin too easily.
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