Custom gear ratio selection enables precise tuning for performance driving
Choice of clutch types and limited slip options enhances drivetrain control and efficiency
Upgraded ring and pinion polishing reduces friction and lowers operating temperatures
Variable ramp lockup and open to 75% limited slip options provide flexible traction management
Upgraded rear covers and miscellaneous bolts ensure durability and compatibility
Summarized by Shop
Diffsonline builds a wide variety of BMW differentials in house to accommodate the several different differential housings used in modern BMW's. We start by cleaning the differential housing, then select the industry's finest ring and pinion gears, apply the desired clutch packs and options, and finally carefully assemble the housing to b