BMW broke the mold when it launched the X6 crossover back in 2008. Including conventional, hybrid and M performance versions, the X6 line has been a surprising success for the German automaker and now we're getting some new details regarding its upcoming redesign. According to a report from Autocar, the 2014 X6 will feature a more aggressive exterior design that could be partly inspired by the 4 Series coupe concept that debuted at the Detroit Auto Show last month.