DBA’s 5000 Series T3 two-piece front rotor is a direct replacement for 2011–2013 BMW 1M (E82) applications, combining high-carbon cast-iron rings with aerospace-grade T6061-T6 aluminum hats. The composite assembly reduces unsprung weight, improves heat management and uses NAS hardware. The T3 bi-directional slotted design carries DBA performance technology suited for high-performance street, track day and rally use.
DBA 11-13 BMW 1M (E82) 5000 Series Fully Assembled 2-Pcs Silver T3 Slotted Front Rotor