Wavetrac Diff - BMW E39/E46/E60/E87/E90/F10/F11 (188K) r=3.15>

• Innovative:
Patented Wavetrac® design automatically improves grip in low traction conditions. This feature is truly innovative and unlike any other torque biasing diff design.

• Superior Materials:
9310 steel gears run in case-hardened billet or forged steel bodies. ARP® fasteners used throughout.

• Maintenance Free:
As supplied new the Wavetrac® differential will perform a lifetime of service without maintenance or rebuilds.

• Customizable:
If desired you can alter the diff’s behavior to suit your needs using optional components.

• Limited LIFETIME Warranty:
All Wavetrac® differentials include a Limited Lifetime Warranty.