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The DBA 4000 Series T3 slotted front rotor for BMW M3 Sedan and Convertible is a direct-replacement single-piece performance rotor cast from XG-150 high-carbon alloyed iron. It uses Thermal Stability Profiling and the Kangaroo Paw ventilation pattern to increase surface area and improve cooling efficiency. The T3 bi-directional slotting helps remove gases and debris for consistent braking.
DBA T3 T-Slot BMW M3 Sedan & Convertible Front Slotted 4000 Series Rotor
