Rhino-Rack Heavy Duty Removable Rail Mount Leg - 4 PackThe Rhino Rack RLCP Leg Brackets are specially designed heavy duty legs to fit flush into the factory mounting points of specific vehicle's roofs. RLCP Legs come in a variety of shapes designed to fit specific vehicles. This Part Fits: Year Make Model Submodel 2001 2013 Acura MDX Base 2001 2006 Acura MDX Touring 1999 2004 Audi A6 Base 1993 1994 Audi V8 Quattro Base 2001 2007 BMW 525i Base 2006 2007 BMW 525xi Base 1999 2000,2008 2010 BMW 528i Base 2009