Sqeeking sound on 2005 BMW 645Ci

theirs a sgqeeking soung in the engine? i changed out the two belts and the tension pulley? but the sqeeking is still their? any solutions

by in Paramount, CA on February 03, 2011
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1 answer
ANSWER by , February 03, 2011
Accurately diagnose what is squeaking rather than just changing parts.