Revshift polyurethane differential bushings completely replace the oem rubber bushings on the E46 M3 and Z4M. These bushings stiffen the differential improving the vehicles handling capabilities.
- Will not wear out like oem bushings
- Properly dampens the differential
- Includes new class 10.9 bolts
- Revshift bushing lube included
- Improves handing
Lifetime warranty
Sold as a set
Hardness
80A black: Slightly stiffer and stronger than OEM rubber. No additional NVH. Great choice as an upgraded stock replacement (OEM+).
95A green: Significantly stiffer and stronger than OEM rubber. Minor increase in NVH. Excellent for enthusiastically driven street cars and track cars.
70D white: Drastically stiffer and stronger than OEM rubber. Moderate increase in NVH. Most commonly used on dedicated track cars.
(NVH = noise, vibration, harmonics)
Learn more about choosing polyurethane here: https://revshift.com/pages/polyurethane
Please specify the hardness.