Condor Speed Shop - Differential Mount Set - E46 M3 & Z4MOur CNC machined BMW E46 M3 Differential Bushings are designed to replace the OEM differential bushings and stop the rubbery flex that can affect handling and could damage the rear subframe or even the chassis. We use UHMW material in all our suspension bushings. It is a self lubricating Polyethylene that has almost zero deflection yet also absorbs some vibration. It will outlast other types of rubber or urethane bushings. We CNC machine them to the