The R1 Concepts GeoMET dimpled and slotted rotor for 2017–2020 BMW 440i front features R1's carbon-alloy GeoMET construction with dimples and slots to assist pad bite and gas evacuation. Offered as a direct-fit front rotor for the listed 440i years, it provides a replacement rotor option that preserves fitment and supports consistent braking performance for the specified BMW application.
R1 17-20 BMW 440i Front R1 Carbon Alloy GeoMET Dimpled & Slotted Rotor