BMW E60 Pair of Front Thrust Arm Bushing - Forward PositionWithout bushings, the control arm would be mounted to the frame, causing metal to metal contact. A worn bushing can affect handling or alignment. Your car may pull slightly or aggressively, depending on wear. A worn bushing can also cause metal to metal contact, which will result in clunking noises when going over bumps. This is for both the front lower control arms. This Part Fits the Following Vehicles Make Model Submodel Engine BMW E60 525i M54 2.