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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.

Alfa Romeo MiTo Live launches

Alfa Romeo has launched a limited edition MiTo – the MiTo Live – with a Pioneer App radio and Marmalade ‘Black Box’ Insurance aimed at new drivers. So on the engine front the MiTo Live gets Alfa’s 875cc two-cylinder turbo – a crackingly good little engine – which delivers up a modest, but fun, 85bhp with emissions of 98g/km and the promise of 67.3mpg if you drive like a saint. And if you do drive like a saint, there’s a cost saving beyond great fuel economy.

Mercedes E63 AMG (2013) first pictures leaked

This is the first image of the facelifted Mercedes E63 AMG super-saloon. Shown here leading the pack in a parade of tweaked E-classes, the E63 will be way out in front on performance too, with Audi RS-challenging all-wheel drive a possibility. What do we know about the new 2013 Mercedes E63 AMG?