Powerflex Transmission Mounting Bush (Fast Road) PFF5-4655 BMW F80 M3 A3 8P usually at idle should be

usually at idle should be expected when stiffening the mounting between the engine/transmission and chassis

as BMW use the same airbox from the factory

Improved air flow

A 16mm spacer will give an overall track increase of 32mm when fitted to both sides of an axle

Ceramic Black Tips - Cayman - S 3

Powerflex Transmission Mounting Bush (Fast Road) PFF5-4655 BMW F80 M3 A3 8P usually at idle should beTransmission Mounting Bush (Fast Road) PFF5 4655 Designed with fast road driving in mind to replace the tear prone soft rubber factory transmission mounts, a common cause of knocking, mis shifting and over revving. Fits RWD vehicles only. OEM Part Number: 22316799331 22322282340 OEM Part Number: 22316799330 22316796617 22316796619 OEM Part Number: 22316875904 22312284819 Diagram Position: 55 Number of Bushes Supplied: 2