Thread: polyurethane differential bushing with no diff whine.
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      01-17-2022, 12:03 PM   #2
Throatpunch
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Drives: 2008 E93 M3
Join Date: Jun 2010
Location: Philly, PA

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FWIW I have the ECS tuning diff bushings and AKG subframe bushings and I have zero whine
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