Custom gear ratio selection enables precise tuning for performance or efficiency
Choice of clutch types and limited slip options allows tailored drivetrain response
High-quality ring and pinion gears ensure durability and smooth operation
Upgraded rear covers and bolts reduce friction and lower operating temperatures
Ring and pinion polishing option minimizes friction and heat for improved reliability
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
