Polyurethane Differential Cover Bushings (E36, E46 M3, Early Z4M) Add Aluminum Washer Upgrade:Add Washer Upgrade Fits: Fits OEM style E30

Fits: Fits OEM style E30 IS Lips (part # 51711968488)  Does NOT Fit: Early Model Valence

just like every Garagistic bushing

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

Made of 19 gauge steel Weldable or boltable Weights only 5lbs (as opposed to the spare wheel wells 12lbs + spare tire/rim) - Possible weight savings of 60lbs If made bolt-able

the E36/Z3 front subframe is known for its weaknesses where the motor mounts attach the motor to the chassis

Polyurethane Differential Cover Bushings (E36, E46 M3, Early Z4M) Add Aluminum Washer Upgrade:Add Washer Upgrade Fits: Fits OEM style E30BMW 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