Centric Parts brake caliper rebuild kits help restore your disc brake calipers to like new condition. These high quality caliper kits include major replacement parts such as O-rings and seals. Designed to meet OE quality, configuration, and fitment. Includes spring, cup seals and dust boots. Made of high-quality materials for long lasting performance. Sold as an axle set for two wheels 2011 - 2012 BMW 1 Series M, 2008 - 2010 BMW 535i, 2004 - 2005 BMW 545i, 2006 - 2010 BMW 550i, 2004 - 2005 BMW 645Ci, 2006 - 2010 BMW 650i, 2002 - 2005 BMW 745i, 2002 - 2005 BMW 745Li, 2006 - 2008 BMW 750i, 2006 - 2008 BMW 750Li, 2004 - 2006 BMW 760i, 2003 - 2008 BMW 760Li, 2007 - 2009 BMW Alpina B7, 2006 - 2013 BMW M3, 2006 - 2010 BMW M5, 2006 - 2011 BMW M6, 2006 - 2008 BMW Z4, 2004 - 2012 Rolls-Royce Phantom