The Alcon rear brake upgrade for 2015+ BMW F80 M2/M3/M4 features 4‑piston grey calipers and 380x32mm rotors for the rear axle. Offered as a direct replacement for the F80 platform, the kit combines high‑friction pads, piston layouts to ensure even pad wear and pin‑mounted pads to make pad servicing quicker on these BMW models.
Alcon 2015+ BMW M3 F80 380x32mm 4 Piston Rear Brake Upgrade Kit - Grey