The DFC Geomet-coated dimpled and slotted rear rotor for 2013–2021 BMW M240i Coupe and Convertible is a direct-fit braking rotor with hi-carbon alloy construction and GEOMET corrosion protection. Precision mill-balanced with a fine-turned 16 RMS surface, it retains OE vane configuration and uses premium G3000/G11H18 iron castings to aid heat dissipation and stability. Spec: DTV 0.10 mm, lateral runout 0.50 mm.
DFC 13-21 BMW M240I Coupe & Convertible Rear Dimpled & Slotted Hi-Carbon Alloy GEOMET Coated Rotor