We only use BMW OEM and other very high quality parts.
Brand new REM gear polishing equipment in-house means smoother, longer wearing gear sets and internal components.
Get the full effect of REM polishing without the shiny look!
All new bearings, seals, o-rings, shims and lock plate. New BMW OEM clutches. Unit is thoroughly cleaned and painted. Pinion and ring gear preload (also called "rolling torque") are reset to factory specs as is the backlash.
This is done in-house with our brand new REM® equipment. This process smooths out the bearing surfaces for less friction, and less heat. REM® micropolishing has long been used in racing applications to reduce wear , lower oil temps and increase oil retention on the gear surfaces. Black REM® is available when the shine on the gears is not wanted and is available for an additional charge. Call for details. For REM info:
Three clutches brings the diff's lockup to approx. 40%
REM® processed bearings are smoother and generate less friction and heat than stock bearings. This also means longer life.
Cores must be returned within 30 days. The LSD core must be in rebuildable condition for the full refund. Open diffs refund is $150.00.
Return Policy - Returns require a RMA, return merchandise authorization and must be received within 30 days of sale. The returned unit must be in original condition, not used and in the original packaging. There is a 20% restocking fee for all returns. Shipping charges are the responsibility of the buyer.