Disc Brake Rotor. This part generally fits BMW vehicles and includes models such as X5,X6 with the trims of 4.8i Sport Utility 4-Door,ActiveHybrid S port Utility 4-Door,xDrive35i Sport Utility 4-Door,xDrive35iA Sport Utility 4-Door,xDrive48i Sport Utility 4-Door,xDrive50i Extrav agance Sport Utility 4-Door,xDrive50i M Sport Sport Utility 4-Door,xDrive50i Sport Utility 4-Door,xDrive50iA Sport Utility 4-Door.