R1 Concepts GEO-Carbon drilled and slotted rotors for 2011–2016 BMW 528i xDrive rear applications are coated, mill-balanced replacements engineered to OEM standards. Constructed from G3000-grade cast iron with precision-drilled, countersunk holes and diamond slots, these rotors enhance ventilation, reduce heat buildup and extend pad life while providing rust resistance. Supplied as a two-rotor kit.
R1 11-16 BMW 528i xDrive Rear Drilled & Slotted Carbon Coated Brake Rotor Set