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2010 BMW 335i – Click above for high-res image gallery

2010 BMW 335i Sedan – Click above for high-res image gallery

2010 BMW 335i Sedan - Click above for high-res image gallery

Much of BMW's U.S. market lineup is making the switch to a 2011 model year designation early this spring with the highlight being a new version of the 3.0-liter inline-six cylinder engine dubbed N55. The N55 has the same 300 horsepower and 300 pound-feet of torque as the previous N54. However, the previous twin turbocharger configuration is now replaced by a single twin scroll turbocharger. The twin scroll has two inlets letting the exhaust gases into the turbine. The inlets are spaced to allow

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2011 BMW 3 Series – Click above for high-res image gallery

ATT Autotechnik Doppelturbo-Cabriolet - click above for high-res image gallery

To many people, Audi is replacing BMW as the go-to yuppie-mobile of choice. For one thing, Walter de'Silva's designs are almost universally lauded (Q7 notwithstanding) whereas the new crop of Bangled Bimmers are... controversial to put it as nicely as humanly possible. But it's not just down to looks and interior -- it can't be.

BMW 5 Series Gran Turismo – Click above for high-res image gallery

When the BMW 335i arrived in 2007, tuners jumped at the chance to boost the boosted 3.0-liter inline-six. After a few ECU tweaks, the new 3 series was putting out an additional 70-80 hp and a commensurate increase in torque, and once the 135i and 535i arrived, the market grew accordingly.

BMW's N54 engine has won the International Engine of the Year award for the past two straight years. It has also been listed as one of Ward's 10 Best Engines during the same period. The engine produces 306 hp and 295 ft-lbs of torque in a 3.0L inline six package thanks to the use of twin Mitsubishi turbochargers and direct injection. The N54's quick response and smooth torque curve has been an attraction for many enthusiasts, including myself - I call my Montego Blue coupe the turbo Cookie Monst

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