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The R1 Concepts Geo‑Carbon drilled-and-slotted rotor is a rear-left replacement for 2011–2018 BMW X4 applications. Its drilled-and-slotted face assists with clearing surface contaminants to support consistent pad contact, providing a practical option for rear-left rotor replacement. Fitment is specified for the X4 rear-left position across the listed years.
R1 11-18 BMW X4 Rear Left Drilled & Slotted Geo-Carbon Rotor
