Every generation of BMWs is never short of style and it seems that the newest generation of its sports cars, the BMW M3 Saloon and BMW M4 Coupe, will be no exception.

New BMW M3 Saloon M4 Coupe

Designed for optimum speed and performance, the two cars see the introduction of a range of new technologies to the BMW M series.

The new BMW M3 Saloon

For the first time, BMW have introduced turbocharged engines to their M models. They are now equipped with high-revving, 3.0 litre six-cylinder in-line engines. BMW has also developed M TwinPower Turbo technology specifically for these engines. They can provide a maximum output of 431 horsepower and a peak torque of 550Nm, which starts from 1,850rpm and rises to a figure higher than that seen from the BMW M3 by 40 per cent.

The new BMW M4 Coupé rear shot

Even with the added power behind their engines, the cars are still kinder to the environment and more gentle on the fuel with a reduction in emissions and fuel consumption of about 25 per cent.

The new BMW M3 Saloon head light and grill detail

The reason for this improved efficiency and dynamic ability is down to the weight loss that the M models have undergone. A total of 80kg has been shaved off compared to the previous models thanks to the increased use of lightweight materials such as carbon-fibre. In fact, both cars now come equipped with plastic roofs that have been reinforced with carbon fibre.

The new BMW M4 Coupé

Aerodynamics have been improved considerably with the development of Active M Differential technology. As well as this, the cars are now equipped with Adaptive M suspension and have the option to include M Double Clutch transmission.

To help with getting the best from the aerodynamic technology, BMW M engineering called in some of the BMW motorsport racing drivers to help out with extensive tests which were carried out on the Nurburgring Nordschleife circuit.

The new BMW M3 Saloon in action

Both cars can get to a top speed of 155mph and can go from zero to 62mph in 4.3 seconds.

The cars’ overall looks are still as characteristically aggressive as other M models but they have been optimised to provide the highest levels of aerodynamic efficiency.

The new BMW M4 Coupé wheel detail

Head of design at BMW Automobiles Karim Habib said: “The superior performance of the BMW M3 Saloon and BMW M4 Coupé should be obvious at first glance,”

“Indeed, the exterior design has a visual impact that elevates the BMW M design language to a new level of expression, highlighted by a purposeful character, emotional appeal and dynamic verve.”

The new BMW M4 Coupe dashboard detail

On the face of the vehicle, its twin headlight set-up has been updated for a more modern take and it has gained the addition of a double-slat kidney-grille with an M designation. There is also a trio of large intakes, which allow cool air to reach the engine and brakes.

Unlike previous generations, the Coupe and Saloon models have beengiven different names, in defiance of the predecessors on which they were based.

The new BMW M4 Coupé head light and grill detail

The cars are due to go on sale on June 21st 2014 with starting prices at £56,175 for the M3 Saloon and £56,635 for the M4 Coupe.

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