R1 Concepts GEO-Carbon drilled and slotted rotors for 2012–2020 BMW 340i rear applications provide a coated, mill-balanced rotor set built to OEM specifications. The G3000-grade cast iron construction, precision-drilled holes and diamond slot pattern boost ventilation and pad bite while reducing cracking risk. The kit comes as two rotors and is designed for straightforward installation with rust protection.
R1 12-20 BMW 340i Rear Drilled & Slotted Carbon Coated Brake Rotor Set