StopTech AeroRotor Drilled or Slotted 2 Piece Front Rotors for F8X BMW DBA 08 13 BMW M3 E90 E92 E93 Front Slotted Street Series Rotor 2280S Slotted Rotors ECS News BMW E90 E92 E93 M3 2 Piece Front and Rear Brake Rotors USP Motorsport. StopTech Drilled and Slotted Sport Rotors are 1 piece direct replacement brake discs for factory brake systems and stock calipers that look great behind your wheels and offer significantly improved braking performance. The unique cross drilling and slotting aids with heat and brake dust dispersal, prevents glazing of the pads, adds bite and improves wet and dry braking performance. Built to last, the black e coating provides protection from corrosion and the high carbon metallurgy (in most applications) offers quieter operation, better crack resistance and increased performance. This Part Fits: Year Make Model Submodel 2009 2011 BMW 335d Base 2007 2013 BMW 335i Base 2009 2013 BMW 335i xDrive Base 2011 2013 BMW 335is Base 2007 2008 BMW 335xi Base 2013 2015 BMW X1 xDrive35i