BMW M Differential Refresh Kits
BMW M Differential Refresh Kits

BMW M Differential Refresh Kits

Specifications: 

  • Genuine BMW seals, o-rings and clips. 
  • KOYO Bearings and Races made in Japan
    • All bearings are included, notably for the pinion and carrier assembly. 
  • Includes new crush washer. 
    • The original nut is re-used for preload adjustment. 
  • Professional installation is highly recommended.  
  • Kit shown is for E60 M5 / E9x M3.
    • Actual kits for the E46 M3 / E39 M5 will be different. 
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Installation Notes

Professional installation is highly recommended on all final drive and pinion kits.

Combine with a final drive upgrade.

Need help? Been there, done that.