Significant brake performance improvements using the factory calipers and pre-matched; direct-replacement (OEM) sized components. This StopTech Sport Axle Pack includes Slotted StopTech Sport Rotors; StopTech Sport Pads and StopTech Stainless Steel Lines. Aggressive Look Black E-Coated Sport Rotors. High Performance StopTech Sport Pads. Stainless Steel Hoses for Better Response. Significantly Improved Braking Performance. Moderate Dust. Low Noise Aggressive Look Black E-Coated Sport Rotors; High Performance StopTech Sport Pads; Stainless Steel Hoses for Better Response; Significantly Improved Braking Performance; Moderate Dust; Low Noise 2004 - 2005 BMW 645Ci, 2004 - 2006 BMW 545i, 2006 - 2010 BMW 550i, 2006 - 2010 BMW 650i, 2008 - 2010 BMW 535i