The GiroDisc 380mm slotted rear rotor for 2014–2020 BMW M2, M3 and M4 (F8X with red, silver or gold calipers, including CCM) is a rear-specific replacement for those configurations. The slotted surface aids in removing gases and debris from the pad interface to support steadier braking under repeated stops. It fits the stated F8X applications with the noted caliper options.
GiroDisc 14-20 BMW M2/M3/M4 (F8X w/Red/Silver/Gold Calipers Incl CCM) 380mm Slotted Rear Rotors