Revshift Polyurethane Rear Trailing Arm Bushings (RTAB) completely replace the OEM rubber bushings on the E85/E86 Z4M models.
These bushings stiffen the rear trailing arms improving the vehicles handling capabilities.
Features
- Improves handing
- Will not wear out like OEM bushings
- Properly dampens suspension components
- Lifetime warranty
- Sold as a set
Hardness
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80A Street (Black): Slightly stiffer and stronger than OEM rubber. No additional NVH. Great choice as an upgraded stock replacement (OEM+).
-
95A Track (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.
Vehicles Supported
BMW E85/E86 Z4M