The DFC Geomet-coated dimpled right rear rotor for 2019–2022 BMW 840i is a direct-fit replacement built from hi-carbon alloy and finished with GEOMET corrosion protection. Precision mill-balanced and fine-turned to 16 RMS, it maintains OE vane geometry and uses premium G3000/G11H18 iron castings to support heat dissipation and rotational stability. Specified limits include DTV 0.10 mm and lateral runout 0.50 mm.

DFC 19-22 BMW 840I Right Rear Dimpled Hi-Carbon Alloy GEOMET Coated Rotor