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      08-09-2026, 03:43 AM   #8
Mandersm
Mandersm
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Drives: E92 M3
Join Date: Jun 2012
Location: Norway

iTrader: (0)

I installed alu bushings in the subframe and the differential two years ago, and got the famous diff whine. This was with the OEM diff with about 100k km.

The car has no rear seats and is a clubsport/track car, so i liked the noice.


But last year I Installed a new fully rebuildt diff unit with motorsport bearings and a Drexler LSD and 3.65 final drive, and absolutely all the diff wine disappeared.
To my disappointment.


A worn diff, or a differential thas has not been put together 100% properly can couse diff whine.
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