Polybushed Propshaft Donut
For 
BMW E36 E46
M12 Bolt Holes
78mm Centres
For Getrag Gearboxes
 
Made from T6061 Aluminum with Black Anodized Coating
85A Red Polyurethane Bushes
 
A common fault on the 3 series which causes a knock from the rear under acceleration and deceleration.
 
This is an upgrade part, the bushes are very firm and therefore requires precise installation.