A new BMW M5 will be out sometime between 2011 and 2012, and new details starting to surface. Several reports indicate that BMW may continue to use a V10 in the next M5, although there are some rumors that the twin-turbocharged 4.4-liter V8 could be tweaked and fitted instead of V10. If BMW decides to keep V10, it will be heavily revised, with a possibility of twin turbo action that will put the power of the car to over the 600 hp mark.
In addition to the increased power, BMW may also use an F1-style KERS system to increase performance and fuel economy, along with an eight-speed dual-clutch gearbox. If the rumors are true, we are about to see a beast in the making. Lets all keep our fingers crossed for the new V10TT.