OEM 10.9mm 14mm bolt upgrade: Provides a direct fitment and improved strength for differential mounting
UHMW high-stiffness bushings: Delivers minimal deflection and superior vibration absorption
All-in-one kit: Includes 14mm bolt and three matching differential bushings for complete installation
Track and street compatibility: Designed for both performance and everyday driving needs
Outlasts standard rubber and polyurethane bushings: Ensures long-term reliability under demanding conditions
Summarized by Shop
If you make big power, you need our 14mm diff bolt upgrade. We supply an OEM BMW 10.9 14mm bolt and the matching front differential bushing. *Please note that you will need to drill the diff casing & tap to M14x1.5 with our upgrade kit.
Our E36 & E36 M3 Differential Bushings are designed for the street and the track. You won't hav