High-performance brake kits for road and track use Patented StopTech Aerorotors brake discs for optimized airflow Patented solid aluminum bell for increased air flow Ultra-high stiffness StopTech calipers with patented adapters to simplify installation Steel-braided StopTech brake lines for better feel of the brake pedal. All accessories necessary for installation. Components made in the USA. Full ISO / TS 16949: 2009 certification. Application list: BMW 135i (E82) 07-13 Disc type: two-piece Fitting side: front High performance braking sets for road and track use.Patented StopTech Aerorotors brake discs for optimized airflow.Patented bell, made of solid aluminum, increasing airflow.StopTech calipers with ultra-high stiffness with patented adapters simplifying assembly.Brake hoses in Steel StopTech for better feel of the brake pedal.All installation accessories for assembly.Components manufactured in the USA.Full ISO / TS 16949: 2009. certification.Application list: BMW 135i (E82) 07-13Disc type: two-pieceFitting Position: front