Genuine BMW F30 F32 M Sport 370mm Brake Rotor (Dimpled & Slotted) Installing Stoptech's Stage 3 Slotted Brake Kit on My E90 BMW 335i StopTech big brake upgrade F30 328i BMW Forum BimmerFest BMW Forums StopTech big brake upgrade F30 328i BMW Forum BimmerFest BMW Forums. StopTech Drilled and Slotted 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 and slotting 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. This Part Fits: Year Make Model Submodel 2013 2018 BMW 320i xDrive Base 2016 BMW 328d Base 2014 2018 BMW 328d xDrive Base 2016 BMW 328i Base 2014 2016 BMW 328i GT xDrive Base 2013 2016 BMW 328i xDrive Base 2016,2018 BMW 330e Base 2017 BMW 330e iPerformance 2017 2019 BMW 330i Base 2017 2019 BMW 330i GT xDrive Base 2017 2019 BMW 330i xDrive Base 2018 BMW 340i Base 2018 BMW 340i GT xDrive Base 2018 BMW 340i xDrive Base 2015 2016 BMW 428i Base 2015 2016 BMW 428i Gran Coupe Base 2014 2016 BMW 428i xDrive Base 2015 BMW 428i xDrive Gran Coupe Base 2017 2020 BMW 430i Base 2017 2020 BMW 430i Gran Coupe Base 2017 2020 BMW 430i xDrive Base 2017 2020 BMW 430i xDrive Gran Coupe Base