Last week, BMW posted an official video of the prototype X5 M, and said that the X6 M will come along too. Well today, BMW posted the official video of the prototype X6 M. X6 M is the most sportive form of the X6, obviously. This car is a combination of high-tech all-wheel-drive and M power.
In the last video, BMW didn't mention any word about the engine. However, in the X6 M video, they said that it will have a M division V8 with twin turbochargers. No information on the power output, but it is likely close to around 550hp. So probably the X5 M will feature the same engine, as well. They also mention in this video that chassis is modified, that it should behave more like a rear wheel drive car.
When the X6 M comes along the roads in mid of 2009 with the X5 M, they're expected to shake off Porsche's Cayenne GTS, and Mercedes ML63 AMG.
Watch BMW's official video below for more details.