1999-2003 BMW E39 M5

21000: We employed this kit in our TwinTurbo Angry Bull E36 M3 to help turbos spooling at lower RPMs

75"Bolt Circle Diameter: 4

The billet aluminum adapter is also bright blue anodized to look great and prevent corrosion

Designed for BMW

OS Giken SuperLock LSD, BMW E30 M3 Sensor 1999-2003 BMW E39 M5The OS Giken SuperLock LSD features their patented pressure ring design, delivering smooth, progressive locking. Distinguished by a spline through side gear construction, OS Giken's design allows for the fitment of more friction plates (up to 2x as many as competing versions). Key Features: All components undergo chemical heat treatment for maximum durability Constructed from a high grade steel alloy, ensuring exceptional strength Gears are raw forged