The aFe CONTROL rear sway bar for 2008–2013 BMW M3 (E90/E92/E93) is a tubular alloy steel direct-fit component, CNC-machined and TIG-welded for durability. Supplied to replace the factory rear anti-roll bar, it is intended to change rear roll stiffness and tuning when installed with compatible suspension components on the specified M3 chassis.
aFe Control Rear Sway Bar 08-13 BMW M3 (E90/92)