The R1 Concepts Geo-Carbon drilled and slotted rotor for 2017–2026 BMW X4, left rear position. This direct-fit rotor includes a Geo-Carbon surface and drilled/slotted face to assist in clearing moisture and debris and support steady pad seating. Specified for the left-rear wheel on applicable X4 models, it replaces a worn rotor with a service-ready option for maintenance or upgrade purposes.
R1 17-26 BMW X4 Left Rear Drilled & Slotted Geo-Carbon Rotor