2007 BMW 525xi Front & Rear without 6 Piston Front Calipers Ceramic Premium G-Coated Performance Brake Pad & Rotor Kit with Pad Wear Sensors. 2010 BMW 528i Front & Rear without 6 Piston Front Calipers Ceramic Premium G-Coated Performance Brake Pad & Rotor Kit with Pad Wear Sensors.