E46 (M3), Z4 (M) Diff Bushings - Poly BMW Z4 these bolt-through E90 M3 poly

these bolt-through E90 M3 poly mounts are specifically engineered to be the strongest and most reliable on the market

Although our aluminum E90 E92 M3 engine mounts are the hardest available and have a longer life span than other mounts

Pair them with our optional offset diff bushing for a simple installation

IMPORTANT: To determine which thickness E28

So we designed the original two-piece encapsulating Z3 subframe bushings

E46 (M3), Z4 (M) Diff Bushings - Poly BMW Z4 these bolt-through E90 M3 polyReplacing your old, worn out diff bushings with our poly BMW E46 M3, Z4M diff bushings will substantially reduce differential movement (deflection) for noticeably improved performance and power transfer to the wheels. Depending on which hardness option you choose, you can achieve anything from a track or drift capable street build to the performance of a purpose built race car. The ability of your E46 M3, Z4M to transmit power to the wheels is