BMW M3, M4 engine note teased

The engine note that will be emitted from both the new� BMW� M3 sedan and M4 coupe has been teased in a clip released by the carmaker�??s M Division.

The brief clip shows a �??tuner�?? �?" or rather, a model wearing glasses �?" working on a laptop in front of the new performance car. The engine is revved in front of him several times before the car drives off.

When it was first revealed the new� M3/M4 would ditch the current car�??s naturally aspirated 4.0-litre V8 (pictured below), rumours began circulating that it would be replaced by a tri-turbo, six-cylinder. This followed� BMW�??s� introduction of the tri-turbo 50d diesel engine used in its X5, X6 and 5 Series M Performance models.

The clip neither confirms nor denies this rumour, however, its more likely we will see a 3.0- or 3.3-litre six-cylinder employing two turbos.

Expected to produce at least 335kW, around 10 per cent more than the current model�??s V8, power will be sent to the cars�?? rear-wheels through a choice of manual or dual-clutch automatic transmissions.

The power boost will be necessary if the car is to compete with its rivals, the Mercedes-Benz C63 AMG (336kW) and Audi RS5 (331kW).


Both the four-door and two-door will carry less� weight� than their predecessors, aimed at improving performance and efficiency. This should also net a� 0-100km/h time below the existing model�??s 4.6 seconds.

Planned to be released sequentially, the M duo should reach markets in 2014, with the M3 to arrive ahead of the M4 coupe and convertible.


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