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New BMW M3 and M4 engine secrets laid bare

BMW's M division has lifted the veil of secrecy on the inline six-cylinder engine bound for its upcoming M3 sedan and new-to-the-range M4 coupe and convertible, revealing a potent twin-turbocharged 3.0-liter direct injection gasoline unit that produces an official 424 hp at 7,500 rpm and what officials describe as "significantly more than 369 lb-ft" of torque. The newly developed engine, known under the internal codename S55 B30, shares its 84.0 mm bore and 89.6 mm stroke with BMW's standard turbocharged 3.0-liter in-line six-cylinder direct-injection gasoline mill, the M55 used across the German car maker's lineup, endowing the aluminum block unit with an overall swept volume of 2,979 cc. This represents a sizeable 990 cc reduction on the engine BMW's M division's new unit replaces, the S65.

2014 MINI: OFFICIAL

Thye all-new 2014 MINI has been revealed ahead od public debuts in LA and Tokyo There’s not a whole lot we don’t already know about the all new 2014 MINI. But now it’s official, and so are the specifications. Sitting on the all new BMW platform UKL1 – which will also underpin the new BMW 2 Series Active Tourer – makes the new MINI, at least under the skin, much more a BMW than the outgoing MINI even though its is instantly recognisable.

2011 Porsche 911 GT3 RSR revealed

The 2011 Porsche 911 GT3 RSR made its international debut on Dec. 11 at the Porsche R&D center in Weissach, Germany. The 4.0-liter, six-cylinder boxer engine has a new engine-management system, modified air-intake housing and redesigned exhaust system.