StopTech BBK 14-15 BMW M3 / M4 Rear Black ST-40 Calipers 380x32 Zinc Drilled Rotors 83.B38.0058.54

Stoptech Big Brake Kits 83.B38.0058.54 These Balanced Brake Upgrades(R) put StopTech on the enthusiast map. They maintain factory bias while providing shorter stopping distances; better modulation and less brake fade. They include stiffer StopTech calipers; larger-than-stock 2-pc StopTech AeroRotors; StopTech Street Performance Pads and StopTech Stainless Steel Lines. StopTech Big Brake Kit; Black Caliper, Drilled Two-Piece Rotor, Front Feature fully forged calipers with patented stiffening bridges, patented 2-piece AeroRotors for optimized cooling, braided stainless steel brake lines, performance brake pads, mounting brackets & all necessary hardware to complete install. BBK 2pc Rotor; Rear

Vehicle Fitments:

Year	Make	Model	Submodel
2015 - 2018	BMW	M3	Base
2015 - 2020	BMW	M4	Base
2018 - 2020	BMW	M4	CS
2016	BMW	M4	GTS