Polyurethane Differential Cover Bushings (E36, E46 M3, Early Z4M) Add Aluminum Washer Upgrade:Add Washer Upgrade All of these reinforcements require

All of these reinforcements require welding and minor grinding depending on chassis life

Just like the E30 before it and the E46 after it

affecting pedal feel

just like every Garagistic bushing

Polyurethane Differential Cover Bushings (E36, E46 M3, Early Z4M) Add Aluminum Washer Upgrade:Add Washer Upgrade All of these reinforcements requireBMW E36 E46 M3 Early Z4M POLY DIFFERENTIAL COVER BUSHINGS 33171134872 If you have ever been in your car and put it in first gear or take off from a dead stop, you may have heard and felt a loud thud coming from the trunk area of the car. This is a sure sign that your differential mounting bushings are worn out or failed. If you speak in BMW part numbers, then that's 33171134872. These mounts will help eliminate the slop and play in the differential