These Balanced Brake Upgrades 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.

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.

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.

What’s Included:

• STOPTECH StopTech 14-15 BMW M3 / M4 Rear BBK w/ Blue ST-40 Calipers Drilled 380x32mm Rotors

Vehicle Fitment:

• 2015-2018 BMW M3 Base
• 2015-2020 BMW M4 Base
• 2016 BMW M4 GTS
• 2019-2020 BMW M4 CS