BMW Reveals X5, X7 M-Performance SUVs

Set to crown the existing X5 and X7 lineups until the 2020 arrival of the even more powerful X5 M and X7 M, the new M50i-badged SUVs receive an updated version of BMW’s twin-turbocharged 4.4L gasoline V-8 delivering 523 hp and 553 lb.-ft. of torque.