Fuentes: Marcamotor(https://web.archive.org/web/20120621131501/http://www.marcamotor.com/2011/09/12/salon_frankfurt/1315825921.html), Página oficial BMW (https://web.archive.org/web/20120416061124/http://www.bmw.es/es/es/newvehicles/mseries/m5sedan/2011/showroom/highlights/index.html) y Todo sobre coches (http://miblogdecoches.wordpress.com/)