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The R1 Concepts Geo-Carbon drilled-and-slotted rotor for the rear left of 2012–2020 BMW ActiveHybrid 3 is a vehicle- and position-specific braking component. The drilled and slotted face with Geo-Carbon design helps dissipate heat and clear pad deposits to preserve consistent brake response under mixed driving conditions. Fitment language mirrors the explicit rear-left ActiveHybrid 3 listing.
R1 12-20 BMW Activehybrid 3 Rear Left Drilled & Slotted Geo-Carbon Rotor
