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

This application is only for M2, M3 & M4 cars equipped with blue calipers and iron rotors.If you have an M2 Competition, please see our front rotors for that application. If your car is equipped with carbon ceramic brakes, please see our direct replacement iron rotors.The Girodisc system is a direct replacement for the OE disc. No modifications are necessary. The disc will bolt directly to the car and work with OE calipers perfectly. By upgrading your brakes with lightweight high performance replacements as opposed to a big brake kit, your factory bias is maintained as well as your ABS efficiency. 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