The R1 Concepts Geo-Carbon drilled and slotted rotor for 2016–2026 BMW 840i, left rear position. This direct-fit rotor includes a Geo-Carbon treated surface and drilled/slotted machining to aid in clearing water and debris and promote consistent pad contact. Specified for the left-rear wheel on applicable 840i model years, it’s intended as a like-for-like replacement for service or selective upgrading.
R1 16-26 BMW 840I Left Rear Drilled & Slotted Geo-Carbon Rotor