Quote:
Originally Posted by TinCanSailor
I don't know if masking the sound with a louder source of noise is what I'd be aiming to do. Something is going on back there and warrants investigating on how to mitigate the problem. Masking the sound seems like a treatment of the symptom not the problem.
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I've installed delrin rear differential bushings on my e90 and E46 M3. Both of which produced some differential noise increase as well. There is no way around it when going from oem to harder bushings. But I'm after performance vs comfort and honestly the noise increase in my M6 with the GAW bracket is minimal in my eyes. After seeing some people have stock oem diff bracket bushing fail and the amount of deflection they have I chose GAW bracket. But to each their own. GAW/RK both seem well made.