2017 – 2018 BMW X4 xDrive28i Models ‘. 2016 BMW X4 xDrive35i and xDrive28i Models. 2011 – 2017 BMW X3 All Models. 2015 BMW X4 All Models. Drilled Slotted Rotors: Front & Rear Brake Rotors. LONG SERVICE LIFE – Upgraded version of the disc brake rotors are made of high quality materials which can extend the service life of the brake rotors.