Power Stop Evolution Coated rotors are a direct bolt-on replacement for factory equipment. Fully coated using Genuine GEOMET rust preventative coating; treated with a thin layer of Genuine GEOMET 360 coating to protect against rust and corrosion without influencing the vehicle's braking performance. High Carbon metallurgy provides Improved Thermal Conductivity To Resist Distortion And Cracking; Improved Damping Coefficient To Reduce Squeal. Manufactured to original equipment specifications for fitment, weight, vane count, and performance. BMW 335i 2013-2015, BMW 335i GT xDrive 2014-2016, BMW 335i xDrive 2013-2015, BMW 340i 2016-2018, BMW 340i GT xDrive 2017-2019, BMW 340i xDrive 2016-2018, BMW 435i 2014-2016, BMW 435i Gran Coupe 2015-2016, BMW 435i xDrive 2014-2016, BMW 435i xDrive Gran Coupe 2015-2016, BMW 440i 2017-2020, BMW 440i Gran Coupe 2017-2020, BMW 440i xDrive 2017-2020, BMW 440i xDrive Gran Coupe 2017-2020, BMW ActiveHybrid 3 2013-2015