Looks like BMW in spying on itself! This is an official spy video BMW TV released today to give a taste of what we can expect from the upcoming X5 with M performance treatment. The car will feature a modified 4.4 liter V8 with around 500hp so it is in the same league as the Mercedes ML63. Also typical M division visual upgrade is there to distinguish it from normal X5! An identical package will be available for the X6 model soon.