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New BMW 3-series bows, performance-oriented 335iS joins the lineup

A new performance-oriented 335iS model endowed with an M-sport styling kit and unique chassis settings heads the list of changes BMW brings to its facelifted 2011 3-series coupe and convertible. Set to slot into the lineup between an upgraded 335i and the M3 when it goes on sale in March as an exclusive for North America, the 335iS runs a tuned version of BMW's N54 engine, as found in the recently unveiled Z4 sDrive35iS, coupled to either a standard six-speed manual or an optional Getrag-engineered seven-speed dual-clutch gearbox. The twin-turbocharged 3.0-liter inline six-cylinder engine of the 335iS adds a special software package to bump power to 326 hp and lift torque to 332 lb-ft--or to an even gutsier 369 lb-ft for short periods via an overboost function that unleashes added turbocharger boost pressure.

Ariel's Atom returns faster than ever

BRITISH firm Ariel has announced an upgraded version of its sensational Atom sportscar that is faster than ever, making it one of the quickest cars on sale today. The Atom 3.5R showcases a number of upgrades over the outgoing model which contribute to the sensational performance. The 2.0-litre Honda V-TEC engine has had its supercharger revised to give 350bhp and over 240lb.ft of torque, while the gearbox is now a six-speed paddleshift system that can manage five downshifts in less than a second.

AC Schnitzer shows off polizei-spec ACS4 2.8i Coupe

The Essen Motor Show is underway. Essen is Europe's version of SEMA, with hundreds of tuning companies showing their wares. And for this year's event, BMW tuner AC Schnitzer has rolled out its version of the 2014 4-series, dubbed the ACS4 2.8i Coupe, in polizei spec, no less.