The R1 Concepts Geo-Carbon drilled and slotted rotor for 2017–2026 BMW Z4, right rear position. Offered as a direct-fit replacement, it pairs a Geo-Carbon treated surface with drilled and slotted machining to aid water and debris clearance and promote consistent pad contact. Specified for the right-rear wheel on applicable Z4 years, it’s suitable for routine rotor replacement or selective performance-minded refresh.
R1 17-26 BMW Z4 Right Rear Drilled & Slotted Geo-Carbon Rotor