Bluestuff NDX is a high friction sport and race material that can be used for aggressive street driving and certain types of track use. The material has had much success on the track with quality aftermarket calipers (Multi piston systems with better release and cooling and larger rotors) and limited success with street based calipers where pad size and caliper drag can challenge any brake material. The biggest advantage of EBC Bluestuff NDX is their bite from cold and progressive brake feel and the ability to bring a car to a complete stop. This has led to the ECE R90 brake safety regulation approval of R90 which is now completed and certificates are being obtained (during July 2011). There are certain older street based caliper systems where even the new Bluestuff will have trouble handling the caliper and slider drag inherent in the systems but this scenario is exactly the same for our competitors. There is NO material that will be PERFECT on the track in all older street based caliper systems. The Bluestuff NDX is a high friction sport and race material that can be used for aggressive street driving and track applications where longevity and performance is a must. Superb for sports cars; imports; and muscle cars alike. DO NOT FIT UPGRADE PADS TO REAR OF VEHICLE UNLESS SAME UPGRADE FITTED TO FRONT FMSI D1610 2017 and up BMW 430 Convertible xDrive 2.0 Turbo (F33) Brembo calipers Fitment: 2012 BMW 335i Base 2012 BMW 335i xDrive Base 2013 BMW 335i Base 2013 BMW 335i xDrive Base 2013 BMW ActiveHybrid 3 Base 2014 BMW 335i Base 2014 BMW 335i GT xDrive Base 2014 BMW 335i xDrive Base 2014 BMW 435i Base 2014 BMW 435i xDrive Base 2014 BMW ActiveHybrid 3 Base 2015 BMW 335i Base 2015 BMW 335i GT xDrive Base 2015 BMW 335i xDrive Base 2015 BMW 435i Base 2015 BMW 435i Gran Coupe Base 2015 BMW 435i xDrive Base 2015 BMW 435i xDrive Gran Coupe Base 2015 BMW ActiveHybrid 3 Base 2016 BMW 335i GT xDrive Base 2016 BMW 340i Base 2016 BMW 340i xDrive Base 2016 BMW 435i Base 2016 BMW 435i Gran Coupe Base 2016 BMW 435i xDrive Base 2016 BMW 435i xDrive Gran Coupe Base 2017 BMW 330e iPerformance 2017 BMW 330i Base 2017 BMW 330i GT xDrive Base 2017 BMW 330i xDrive Base 2017 BMW 340i Base 2017 BMW 340i GT xDrive Base 2017 BMW 340i xDrive Base 2017 BMW 430i Base 2017 BMW 430i Gran Coupe Base 2017 BMW 430i xDrive Base 2017 BMW 430i xDrive Gran Coupe Base 2017 BMW 440i Base 2017 BMW 440i Gran Coupe Base 2017 BMW 440i xDrive Base 2017 BMW 440i xDrive Gran Coupe Base 2018 BMW 330e Base 2018 BMW 330i Base 2018 BMW 330i GT xDrive Base 2018 BMW 330i xDrive Base 2018 BMW 340i Base 2018 BMW 340i GT xDrive Base 2018 BMW 340i xDrive Base 2018 BMW 430i Base 2018 BMW 430i Gran Coupe Base 2018 BMW 430i xDrive Base 2018 BMW 430i xDrive Gran Coupe Base 2018 BMW 440i Base 2018 BMW 440i Gran Coupe Base 2018 BMW 440i xDrive Base 2018 BMW 440i xDrive Gran Coupe Base 2019 BMW 330i Base 2019 BMW 330i GT xDrive Base 2019 BMW 340i GT xDrive Base 2019 BMW 430i Base 2019 BMW 430i Gran Coupe Base 2019 BMW 430i xDrive Base 2019 BMW 430i xDrive Gran Coupe Base 2019 BMW 440i Base 2019 BMW 440i Gran Coupe Base 2019 BMW 440i xDrive Base 2019 BMW 440i xDrive Gran Coupe Base 2020 BMW 430i Base 2020 BMW 430i Gran Coupe Base 2020 BMW 430i xDrive Base 2020 BMW 430i xDrive Gran Coupe Base 2020 BMW 440i Base 2020 BMW 440i Gran Coupe Base 2020 BMW 440i xDrive Base 2020 BMW 440i xDrive Gran Coupe Base