Brake Booster for 525i (2006-2007), 530i (2006-2007), 550i (2006-2010), 525xi (2006-2007), 530xi (2006-2007), 650i (2006-2010), M5 (2006-2010), M6 (2006-2010), 528i (2008-2010), 528xi (2008), 535i (2008-2010), 535xi (2008), 528i xDrive (2009-2010), 535i xDrive (2009-2010), 545i (2004-2005), 645Ci (2004-2005)