Cart 0

BMW E60 M5, E90 M3, 1M, Z4M

BMW E60 M5, E90 M3 and 1M. These differentials use a BMW 210mm ring and pinion set, and a 215LW rebuild kit.
BMW E90 E92 M3 M4 OS Giken Clutch and Flywheel TR Twin-Plate

BMW E90 E92 M3 M4 OS Giken Clutch and Flywheel TR Twin-Plate

Diff Lab (OS Giken Australia) is the sole official Australian distributor of OS Giken for the Australian market. Diff Lab and OS Giken Australia are your direct line to OS...