The H&R 27 mm rear non-adjustable sway bar is a direct-fit rear anti-roll bar for 2022–2023 BMW M3 and M4 Competition xDrive (G80) AWD models. Offered as the rear component only, this 27 mm non-adjustable bar replaces the factory rear bar to provide a specified rear roll stiffness characteristic on compatible Competition xDrive vehicles when paired with an appropriate front bar.
H&R 22-23 BMW M3/M4 Competition xDrive G80 (AWD) 27mm Rear Non Adj. Sway Bar