Revshift - Polyurethane Rear Trailing Arm Bushings - BMW E85/E86 Z4M

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 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