The R1 Concepts Geo-Performance drilled-and-slotted rotor is specified for front and rear use on the 2006 BMW 330i. It incorporates drilled holes and slots under the GeoPerformance label to keep the pad contact surface cleaner and sustain consistent rotor face characteristics for that model year. The overview limits claims to the rotor design and listed BMW application.
DFC 2006 BMW 330i Front & Rear Drilled & Slotted Geoperformance Rotors