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The DBA 4000 Series slotted front rotor for 2011–2017 BMW 528i applications (excluding High Speed Braking System) is a direct-replacement single-piece rotor cast from XG-150 high-carbon alloyed iron with Thermal Stability Profiling. It combines DBA's Kangaroo Paw ventilation with the T3 bi-directional slot design to sweep pad debris and gases, enhancing friction consistency and cooling compared with straight vane, single-direction rotors while remaining a direct OE-style fit.
DBA 11-17 BMW 528i (Excl High Speed Braking System) Front 4000 Series Slotted Rotor
