GiroDisc BMW F8X M2, M3, M4 380mm Rear Rotors

Applications F8X M3, M4 including CS with optional carbon ceramic brake package (gold calipers) F87 M2, M2 Competition & M2 CS with red or silver calipers F87 M2 CS with optional carbon ceramic brake package (gold calipers) If your vehicle has blue calipers, they require a different size of rotor available here. Converting from Carbon Ceramic Rotors Our iron rotors replace the factory carbon ceramic rotors with no modifications necessary. We strongly suggest changing the pads at the same time to a material designed to work with iron rotors. Background Information The central hat section of our rotor is made from strictly U.S. sourced 6061-T6 aircraft specification aluminum.  The disc is made from our own proprietary cast iron, poured in the USA and machined from start to finish in house at Girodisc.  The rotor utilizes a curved vane design, developed in racing to act as a centrifugal pump to force cooling air through the disc.The rotor and hat have a floating mount sy