The folks over at Inside Line have done the legwork and confirmed that the future [BMW M5->ke2922] will indeed be powered by a smaller [turbocharged V8->ar78227] as opposed to the super sedan’s current high revving V10 in an attempt to bring the luxury automaker’s fuel economy figures more in line with the new industry standard. Although the thought of a Formula One inspired 9,000 RPM ten cylinder engine screaming in a mid size sports sedan is too much to tempting to pass up, a smaller engine makes more sense for the future. In fact, BMW already offers quite a few cars with turbocharged V8 engines, this way the technology can trickle down more easily into the rest of the German automaker’s lineup.
The [X5M->ar72742] and [X6M->ar73589] are already powered by a 4.4 Liter twin turbo eight cylinder engine that already makes a maximum output of 555 HP and 5000 lb-ft of torque. Perhaps an M badged model would receive a bit of an increase in bore and a stro