PowerStop Front Semi Coated Rotor Kit 2011 BMW 535i xDrive (SC6581). PowerStop SC6581 Power Stop 2011 BMW 535i xDrive Front Semi Coated Rotor Kit Semi Coated Rotor and Low Dust Ceramic Brake Pad Kit Z17 SEMI COATED ROTOR KIT: COATED ROTORS; CERAMIC PADS W HARDWARE, PAD SENSORS PowerStop is on a mission to deliver an easy and affordable way for any driver to upgrade their brakes no matter where or how they use their vehicle. Our Z17 Semi Coated Rotor Brake Kit includes brake pads, rotors, and stainless steel hardware; everything you need for the affordable, easy brake upgrade kit for your daily driven vehicle. The Z17 Evolution Plus pads feature a low dust formula, validated through on vehicle 3rd party tests in the USA, to keep your wheels looking like new. These pads also have multi layer rubberized shims that insulate noise for virtually silent braking. The rotors have a silver epoxy coating that is precision applied to areas that are prone to corrosion, including the hat, outer edge and vanes, and are manufactured to original equipment specifications. If you're looking to refresh the look and braking performance of your old, worn out brakes, look no further. Say hello to a smooth, quiet commute with the PowerStop Semi Coated Rotor Brake Kit.