Girodisc Toyota GR Supra, BMW 345mm Rear RotorsThese GiroDisc 2 piece rotors are a direct replacement for the rear rotors on the Toyota GR Supra with the 3. 0L motor, as well as BMW G chassis cars with a 345mm rear rotor, including (but not limited to): G2X M340i & M440i G2X with optional M Sport brakes G01 X3 M40i & G02 X4 M40i G29 Z4 M40i Our 2 piece, fully floating assemblies help shed unsprung weight and rotating mass from the front axle of the vehicle. The rotor rings are machined from a