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Revealed: tech secrets of new 2014 BMW M3 and M4 Coupe

BMW has spent the past four years developing the new M4 Coupe and newly-announced M3 saloon from scratch – all with the intention of making its road-racer range more focused, more able and more relevant to modern motorists. They are faster, sharper and more dynamic, promises the firm, but also greener, smarter and more flexible than ever. The result, believe the engines, is a duo that’s without rival on the market – no other four-seat coupe or five-seat saloon offers this much high performance sports car ability for the money.

50 Years of the BMW 'Neue Klasse'

In a year that sees the celebration of the ever-seductive Jaguar E-Type and the characterful Renault 4, it would be easy to overlook other cars also reaching their half-century, especially a mundane three-box saloon. However, the BMW 1500 isn't any less significant. When launched at the 1961 Frankfurt International Motor Show, intrigued and inquisitive visitors were forced to wait 30 minutes just to catch a glimpse of the car.

Mercedes AMG C 63 price & specs – costs from £59,795

Mercedes AMG C 63 price & specs – costs from £59,795 The pinnacle of the new Mercedes C-Class range – the Mercedes-AMG C 63 – had a reveal last month ahead of its public debut in Paris (and got a new name, with ‘AMG’ hyphenated with Mercedes and in front of the ‘C 63′ bit instead of after) and it’s now gone on sale priced from £59,795 for the C 63 Saloon to £67,745 for the C 63 S Estate. Power comes from a new 4.0 litre twin-turbo V8 developing 469bhp in the C 63 and a more potent 503bhp in the C 63 S, with 0-62mph times of 4.1 seconds for the C 63 (0.1 slower in the estate) and a modest 0.1 quicker in the C 63 S. Not surprisingly, the C63 gets a more than adequate spec including Nappa Leather AMG sports seats, COMAND, mechanical locking rear diff, dynamic engine mounts, unique tracks front and back, upgraded AMG brakes, quad tailpipes, new front wings to cover the wider track, rear spoiler and 18″ alloys.