2012 BMW M5 Saloon has top speed of 155 mph

BMW M5 Saloon, the BMW's high presentation saloon, characters the most powerful production engine yet built by BMW's excellent performance M division.2012 BMW M5 saloon planned gets world premiere perform for the first time in next September at the Frankfurt Motor Show.Under the bonnet of the new BMW M5 rest a newly advanced, increase the number of revolutions of a V8 engine with M TwinPower