High performance brake kits for road and track use Patented StopTech Aerorotors brake discs for optimized airflow Patented bell made of solid aluminum for increased air flow Ultra-high stiffness StopTech calipers with patented adapters to simplify installation Steel-braided StopTech brake lines for a better feel of the brake pedal All accessories necessary for installation USA Made components Full ISO / TS 16949: 2009 certification Application list: BMW 330i xDrive (E90) 08-12BMW 330i xDrive (E91) 08-13BMW 330i xDrive (E92 ) 10-13BMW 330xi (E90) 05-08BMW 330xi (E91) 05-08BMW 330xi (E92) 06-10 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 as sembly.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 330i xDrive (E90) 08-12BMW 330i xDrive (E91) 08-13BMW 330i xDrive (E92) 10-13BMW 330xi (E90) 05-08BMW 330xi (E91) 05-08BMW 330xi (E92) 06-10Disc type: two-pieceFitting Position: front