[Brakes and Rotors Kit Include]: 2 x Front drilled and slotted brake rotors-【34390】 + 4 x Front ceramic brake pads (hardware included)-【D918-7799】. The diameter of this brake rotors is 【312mm(12.3in)】 [Brake Kits Compatible with BMW]: Compatible with 2010 BMW 323I (312mm Rotor Diameter) - [2010 BMW 328I (312mm Rotor Diameter; From 09/2009)] - 2011 BMW 328I (312mm Rotor Diameter) - [2012-2013 BMW 328I (3L; 312mm Rotor Diameter)] [Brake Kits Compatible with BMW]: Compatible with 2010 BMW 328I XDrive (312mm Rotor Diameter; From 09/2009) - [2011-2012 BMW 328I XDrive (312mm Rotor Diameter)] - 2013 BMW 328I XDrive (3L; 312mm Rotor Diameter) - [2013-2015 BMW X1 (sDrive28i, xDrive28i)] 【Geomet Coated Finish】Geomet safeguards your rotors against rust and corrosion caused by the elements, roadway debris and chemicals like gasoline and brake fluid. This innovative water-based finish self-repairs damage to the coating, extending the service life of the brake rotors so you don’t have to change them as often. 【Exceptional Brake Kit Highlights】This brake kit features a rust-proof coating, asbestos-free high-carbon ceramic pads ensuring quiet braking, and a turbocharged heat dissipation design for enhanced performance. It has passed the 720-hour salt spray test and complies with US VOC regulations. With easy installation, it offers a reliable and smooth driving journey. Processed and manufactured according to professional O.E.M. Tested for impact, wear, and fatigue to help ensure quality and durability. Fits perfectly on your vehicle without any modifications.