


http://www.worldcarfans.com/9090403.039 ... york-debut
Both the X6 M and the X5 M, will come with BMW's 4.4 liter V8 power plant with twin-scroll turbochargers pounding out an immense 550 hp. The same engine will also be put to extensive use inside the BMW family, as it will be going into the upcoming M5 and M6 models, or so sources say.