[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)] 【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. 【Service Guarantee】We offer a warranty service that lasts for 3 years. If you experience any problems during the usage, you are welcome to contact us at any time. 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.