Brembo GT 6pot Front Brake Conversion Kit 365mm Drilled Discs – BMW E90 | E92 | E93 M3IMAGE IS NOT ACTUAL PRODUCT The 1N1. 8505A GT kit is synonymous with superior performance Complete braking systems, comprising components derived from the world of motorsports and offering unrivalled levels of technology on the market. They feature aluminium radial mounted fixed calipers, with opposing pistons. Depending on the type of system and the required performance level, the calipers can either be in two parts, monoblock or even monoblock