A twin-turbo six for the 7, because the 7's eight nein. - Car and Driver

Americans will finally see a rational application of BMW’s Euro-centric EfficientDynamics mantra when BMW unveils six-cylinder versions of its 7-series at the Detroit auto show in January. The 740i will occupy the lowest rung on the company’s executive-sedan ladder, below the plenty-powerful 750i, the extreme 760i, and the slightly ridiculous ActiveHybrid 7. Power comes from BMW’s twin-turbo inline-six, which in this application... this represents a higher state of tune than the 300-hp twin-turbo version used in the 1-, 3-, and 5-series, which is separate from the high-output, 335-hp version recently announced for the Z4 sDrive35is , which is also different from the new... Let’s say maybe 16/24. When the models launch in the spring of 2010 as 2011 models, it will have been 19 years since the U. S. was offered a six-cylinder 7. Mercedes hasn’t sold a six-cylinder S-class since the end of the car’s last generation,... Source: www.caranddriver.com