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:: ECS Tuning :: Geunine BMW Motorsport Differential Fluids ~ AKA FM Booster
The ///M limited slip differential is sometimes known for a grinding noise during low speed cornering.
It is caused when the rear wheel speed differential varies during tight cornering, a slip stick effect is created on the lining and steel discs incorporated in the differential locking clutch, causing the grinding noise.
This is the new fluid described by BMW to cure this problem (TSB# 33 01 02) in the following models.
**Includes friction modifiers to reduce noise during low speed cornering
Last edited by ECSTuning; 02-10-2010 at 07:33 AM.
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