Custom gear ratio selection enables precise tuning for performance or daily driving
Choice of limited slip differentials with open, variable, and ramp lockup options for enhanced traction
Upgradeable clutch packs and options for ring and pinion polishing to reduce friction and lower temperatures
Upgraded rear covers and miscellaneous bolts for improved durability and reliability
Carefully assembled to meet BMW E46 differential housing specifications for a perfect fit
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
