Normally, business class sedans are kept on a short leash. They diligently fulfil their duties, bringing their drivers and passengers from point A to B. But some models just don't fit in. Like the BMW M5. Since 1984 it's been one of the leading high performance sedans in the premium class. Now the Bavarians have unveiled the fifth generation of this super-sports car. The high-reving 4.4 liter V8 engine with M TwinPower turbo technology puts out a staggering 412 kilowatts of power. drive it!