BMW’s M division will give fans a taste of the forthcoming M4 coupe this weekend, by lifting the cloth off a near production-ready concept at the Pebble Beach Concours d’Elegance in California.

The successor to the ever-popular M3 coupe, the new beamer is expected to debut at the 2014 Detroit Auto Show in January, along with a four-door M3 sedan. An M4 convertible is likely to follow.

The new coupe concept has been billed as a design study, which means BMW still aren’t keen to reveal what lies under the bonnet. However, rumour has it that the range-topping coupe will house a 3.0L twin-turbocharged six-cylinder engine, referred to internally as the “S55”. Expect it to be more powerful than the outgoing M3 coupe, with a projected output of around 335kW.

(Check out the video below for BMW’s M4 engine-note teaser)

As far as styling goes, the new M4 features obvious modifications when compared to the standard 4-series. Cloaked in a vivid “Arum Dust” paint job, the concept features integrated spoiler, large front splitter, more aggressive bumper and side sills, rear diffuser, quad exhaust and wheel-arch air intakes to cool the carbon ceramic brakes. There are also obvious weight-saving measures, namely the extensive use of carbon fibre (front splitter, roof, rear diffuser) and 20-inch light alloy M-design wheels.

No clues on the interior yet, but stay tuned.

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