Polyurethane Differential Cover Bushings (E36, E46 M3, Early Z4M) Add Aluminum Washer Upgrade:Add Washer Upgrade While your in there if

While your in there if you remove the tar in your trunk (which is often mistaken for sound deadening

Just like the E30 before it and the E46 after it

One of these is also helpful when your doing it: https://amzn

just like every Garagistic bushing

Polyurethane Differential Cover Bushings (E36, E46 M3, Early Z4M) Add Aluminum Washer Upgrade:Add Washer Upgrade While your in there ifBMW 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