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BMW reveals Concept M4 GTS

BMW has previewed a future high-performance model for road and track with the Concept M4 GTS.

The latest model from BMW's M Division, the Concept M4 GTS showcases new technologies set to make their series production debut in a new model to be unveiled at a later date. For example, the engine powering the concept is equipped with the same innovative water injection system that has endowed the BMW M4 MotoGP Safety Car - offering a 'noticeable increase' in output and torque.

Designed to fulfil its purpose as a successful track machine, the Concept M4 GTS includes manually adjustable front splitter and rear wing - both finished in exposed carbon - ensuring a 'perfect aerodynamic balance'. Another example of the engineers' adherence to lightweight design is the CFRP (carbon-fibre-reinforced plastic) bonnet, which lowers the car's weight and centre of gravity further still. A wide front air intake optimises airflow and minimises front axle lift.

Finished in Frozen Dark Grey Metallic, with Acid Orange accents on the front splitter, the lightweight, forged and polished M Sport alloy wheels also feature an Acid Orange accent. The 9.5 J x 19 (front) and 10.5 J x 20 (rear) wheels are fitted with Michelin Sport Cup 2 tyres (265/35 R19 at the front, 285/30 R20 at the rear).

The engine's water injection system, introduced by BMW M Division, uses the physical effect of water when vaporising to draw the required energy. The water is injected into the intake manifold as a fine spray. When the water vaporises, the intake air cools significantly. As a result, the final compression temperature in the combustion chamber - and therefore the engine's tendency to "knock" - is reduced, enabling the turbocharged engine to use higher boost pressure and earlier injection timing.

This technology ensures an increase in output and torque, while at the same time reducing the thermal stress on performance-relevant components. All of which also enhances the stability and durability of the turbocharged engine, says BMW.

The Concept M4 GTS is also fitted with innovative rear lights featuring organic light-emitting diodes (OLED) technology. OLEDs are a new type of light source producing full-surface and homogenous illumination - in contrast to LEDs, which emit light to a single point. OLED technology 'heralds a new era in light design' and lighting concepts, opening up new possibilities when it comes to a characteristic and distinctive light signature for BMW models - both for their daytime driving lights and during the hours of darkness.

No word yet as to if the Concept M4 GTS will make it in to full production.