The Brembo PISTA rear big brake kit for 2015–2018 BMW M3 (F80) is a two-piece race brake assembly specified for direct-fit rear installation on those models. It includes two 345×28×54 mm T3 two-piece rotors in PISTA specification, supplied to match the rear axle fitment and intended to provide a coordinated rear braking setup for spirited driving or track applications.
Brembo 15-18 BMW M3 (F80) PISTA Rear Race BBK 2pc 345x28x54a 2pc Rotor T3