AKG Motorsport Performance Trans Mounts – E30, E36, E46, E82, E90, E92, Z3, Z4Product Description These BMW E30, E36, E46, E82, E90, E92, Z3, Z4 Performance Trans Mounts will greatly reduce movement of the transmission under load improving both shifting and power transfer through the drivetrain. The stock trans mounts deflect as torque moves through the drivetrain, allowing the motor and transmission assembly to move. Reduce this movement and improve your shifting with our BMW E30, E36, E46, E82, E90, E92, Z3, Z4 performance