StopTech Drilled Sport Rotors are 1-piece direct replacement brake discs for factory brake systems and stock calipers that look great behind your wheels – and offer significantly improved braking performance. The unique cross-drilling aids with heat and brake dust dispersal; prevents glazing of the pads; adds bite and improves wet and dry braking performance. Built to last; the black e-coating provides protection from corrosion and the high carbon metallurgy (in most applications) offers quieter operation; better crack resistance and increased performance. Premium e-coated rotor with advanced metallurgy that greatly reduces pad squeal. Especially effective with higher friction, European style brake pad compounds. Drilled for increased bite, improved looks and better performance Premium e-coated rotor with advanced metallurgy that greatly reduces pad squeal; Especially effective with higher friction; European style brake pad compounds; Added Molybdenum and Chromium to resist rotor cracking 2013 - 2015 BMW 335i, 2013 - 2015 BMW ActiveHybrid 3, 2013 - 2016 BMW 335i xDrive, 2014 - 2015 BMW 335i GT xDrive, 2014 - 2016 BMW 435i, 2014 - 2016 BMW 435i xDrive, 2015 - 2016 BMW 435i Gran Coupe, 2015 - 2016 BMW 435i xDrive Gran Coupe, 2016 - 2017 BMW 340i, 2016 - 2017 BMW 340i xDrive, 2017 - 2017 BMW 340i GT xDrive, 2017 - 2017 BMW 440i, 2017 - 2017 BMW 440i Gran Coupe, 2017 - 2017 BMW 440i xDrive, 2017 - 2017 BMW 440i xDrive Gran Coupe