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R1 Concepts GEO-Carbon drilled and slotted rotor set for rear fitment on BMW 428i xDrive Gran Coupe (2006–2020). These carbon-coated, drilled-and-slotted rotors are offered to increase pad bite and ventilation relative to stock rotors. Constructed from G3000-grade cast iron, mill-balanced and rust-protected, the pair includes countersunk holes to limit cracking and ships as a complete two-rotor replacement kit for the rear.
R1 06-20 BMW 428i xDrive Gran Coupe Rear Drilled & Slotted Carbon Coated Brake Rotor Set
