Boost Monkey Front Differential Bushing for BMW E36

Choose between using the OEM 12mm Bolt or select our upgraded 14mm version.

The upgraded 14mm version requires you to drill and tap your differential. 

Use a Grade 10 M14 x 80mm Long Bolt.

Replaces BMW Part # 33171134871 / 33171134910

Fits All E36 Chassis

Replace your worn out differential bushing with our high quality polyurethane replacement. 

Made From High Duality Polyurethane

Choose either 80a or 95a Durometer.

80a: Softer - For Street use

95a: Harder - For Track & Street use