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E8/9X & F Series BMW Wavetrac Differential Package
All E90 BMW applications with a welded ring gear are now able to be installed in house in 3-5 business days! No more waiting 3-4 weeks to get your differential back! The differential, stub shaft seals, and machine work is included in the package price.
• 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.