The Alcon front race brake kit for BMW E46 M3 includes four-piston calipers and 355 x 32mm front rotors with an anodized finish, specified as a front race application for the E46 M3. The kit provides a direct-fit front braking solution built around the larger rotor diameter and caliper layout to support demanding braking duty on track or high-performance street setups for that model.
Alcon BMW E46 M3 4 Piston 355x32mm Front Race Kit - Anodized