BMW Concept M4 GTS introduced at Pebble Beach

Article by Andrew Christian, on August 13, 2015

The high-performance BMW Concept M4 GTS has recently been introduced. It was a year ago that the BMW M Division launched the BMW M4 Coupe. This initial preview demonstrates the roots of BMW M Division as it performs outstandingly either on the road or on the race track. Founded in 1972, this BMW offshoot was first known as BMW Motorsport GmbH.

It attracted a ton of attention because of its legendary BMW M1 racing car and also when it built the first turbocharged engine to be named the Formula One World Champion. It is also credited for creating the Group A BMW M3, which has been recognized for so long as the most successful racing touring car in the world.

The new BMW Concept M4 GTS comes after a line of BMW M3 special models that include the BMW M3 Evolution (1988), BMW M3 Sport Evolution (1990), BMW M3 GT (1995), BMW M3 CSL (2003), BMW M3 GTS (2010) and BMW M3 CRT (2011). These models offer unparalleled performance combined with a driving experience that’s breath-taking and highly exclusive.

The division is able to do this by raising its power, making use of technology that is taken from having joined races, applying a lightweight design, and producing in limited numbers. These new technologies featured in the BMW Concept M4 GTS are expected to be unveiled in an upcoming new model.

For instance, the BMW Concept M4 GTS comes with the advanced water injection system that has led to a considerable boost in the output and torque of the BMW M4 MotoGP Safety Car. Furthermore, the BMW Concept M4 GTS features rear lights with OLED (organic light-emitting diode) technology that allow for a totally different look as soon as it gets dark.

The BMW Concept M4 GTS made its world premiere at the Pebble Beach Concours d’Elegance in California on August 13. It was presented together with highly awarded sports cars from the past years.

The BMW Concept M4 GTS comes with innovative rear lights that feature OLED technology. OLEDs (organic light-emitting diodes) are a new variety of light source that produce full-surface and homogenous illumination.

In comparison, LEDs emit light to a single point. It has a low installation height of only 1.4 millimetres. Its ability to actuate individual light modules individually makes fresh design scope in lighting concepts. OLED technology allows for additional flexibility and forms a unique look that signifies outstanding precision.

Exterior Design

The BMW Concept M4 GTS builds on the dynamic and emotional use of forms of the BMW M4 Coupe. But it is immediately obvious that this high-performance special model was developed with the purpose of being a proven track machine.

Exposed carbon is used for the manually adjustable front splitter and rear wing to guarantee ideal aerodynamic balance and to permit the BMW Concept M4 GTS to be adapted for the road as well as on individual race tracks. It is designed to be lightweight. It features the CFRP (carbon-fibre-reinforced plastic) bonnet, which lowers the weight and centre of gravity even further.

Airflow is optimized by a wide front air intake. At the same time, front axle lift is minimized. Accentuating the BMW Concept M4 GTS’s presence as a dynamic and exclusive model is the application of the exterior paint shade Frozen Dark Grey Metallic. A stunning contrast is created with the Acid Orange accent on the front splitter.

An Acid Orange accent is also seen in its lightweight, forged and polished light-alloy wheels in 666 M styling. It is equipped with 9.5 J x 19 (front) and 10.5 J x 20 (rear) wheels that come with Michelin Sport Cup 2 tyres (265/35 R19 at the front, 285/30 R20 at the rear). These mixed-size tyres offer the perfect conduit for the stand-out dynamic features of the BMW Concept M4 GTS.

Powertrain

The engine that powers the BMW Concept M4 GTS comes with the same innovative water injection system that has boosted the output and torque of the BMW M4 MotoGP Safety Car.

BMW M Division applied a water injection system that uses the physical effect of water when vaporising to pull in the required energy from the ambient medium.

A fine spray of water is injected into the plenums of the intake manifold. The temperature of the intake air falls considerably as soon as the water vaporizes. Because of this, there is a reduction in the final compression temperature in the combustion chamber as well as in the engine’s tendency to “knock.”

This means that the turbocharged engine is able to use higher boost pressure and earlier injection timing. Output and torque are boosted with this technology.

Concurrently, the thermal stress on performance-relevant components is also decreased. All of these make the turbocharged engine more stable and durable. There is no doubt then that the BMW Concept M4 GTS has the race track’s high-performance technology and brings it to the road.

With the turbocharged six-cylinder in-line engine’s strong performance potential, it has to have a highly advanced thermal management system for the engine and ancillary units. So that operating temperatures are optimal in all situations, the M Division engineers built a groundbreaking and effective cooling system.

It is composed of a main radiator as well as more radiators for the high- and low-temperature circuits, transmission and turbocharger so that temperatures remain stable. To cool the turbochargers, it uses an indirect intercooler, aided by another electric water pump.

Press Release

BMW Concept M4 GTS to be Premiered During Monterey Car Week

A year on from the launch of the BMW M4 Coupe, BMW M GmbH is presenting an initial preview of a high-performance model for use on the road and on the race track: the BMW Concept M4 GTS – the first M3/M4 special production vehicle to be sold in the US.

The BMW M GmbH was founded in 1972 as BMW Motorsport GmbH and caused a sensation with its iconic BMW M1 racing car. As the force behind the world's most successful racing touring car, the Group A BMW M3 and the development of the first turbocharged engine to win the Formula One World Championship, the BMW M GmbH return to its racing roots with the BMW Concept M4 GTS.

The BMW Concept M4 GTS continues the tradition of BMW M3 special models already illuminated by the BMW M3 Evolution (1988), BMW M3 Sport Evolution (1990), BMW M3 GT (1995), BMW M3 CSL (2003), BMW M3 GTS (2010) and BMW M3 CRT (2011). Technology honed in race competition, a hike in power, a commitment to lightweight design and limited production numbers with unbeatable performance coupled with a powerful and exclusive driving experience.

"While the BMW M4 Coupe embodies the ideal combination of motor sport genes and unrestricted everyday usability, the BMW Concept M4 GTS previews an emotionally powerful and exclusive special model conceived with an eye for trailblazing technology and a keen focus on the race track," explains Frank van Meel, Chairman of the Board of Management of BMW M GmbH. "Despite its outstanding track ability, it is still fully road-legal. This is racing technology for the road in the truest sense."

The BMW Concept M4 GTS showcases new technologies which will debut in production vehicles later this year. The BMW Concept M4 GTS features the innovative water injection system that has already provided a significant output and torque boost in the BMW M4 MotoGP Safety Car. In addition, the BMW Concept M4 GTS has rear lights with OLED (organic light-emitting diode) technology for an unmistakable appearance.

Optimized down to the finest detail.
The BMW Concept M4 GTS builds on the BMW M4 Coupe's dynamic and emotional use of forms. Yet its character as a high-performance special model, in which every detail has been developed to fulfil its purpose as a successful track machine, also comes immediately to the fore. The manually adjustable front splitter and rear wing – both in exposed carbon – ensure perfect aerodynamic balance on the race tracks and on the road. Another example of the engineers' rigorous adherence to lightweight design is the CFRP (carbon-fiber-reinforced plastic) hood which lowers the car's weight and center of gravity. A wide front air intake optimizes airflow and minimizes front axle lift.

The dynamic and exclusive presence of the BMW Concept M4 GTS is accentuated by the exterior paint shade Frozen Dark Grey metallic, with the Acid Orange accent on the front splitter creating an effective contrast. The lightweight, forged and polished light-alloy wheels in 666 M styling 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 tires (265/35 R19 at the front, 285/30 R20 at the rear). The mixed-size tires provide the ideal conduit for the stand-out dynamic attributes of the BMW Concept M4 GTS.

Water injection: power up, full-load fuel consumption down.
The engine powering the BMW Concept M4 GTS is equipped with the same innovative water injection system that has endowed the BMW M4 MotoGP Safety Car with a noticeable increase in output and torque.

The water injection system introduced by BMW M GmbH sees the engineers using the physical effect of water when vaporizing to draw the required energy from the ambient medium. The water is injected into the plenums of the intake manifold as a fine spray. When water vaporizes and goes through its phase transition absorbs heat, cooling the air intake 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. The BMW Concept M4 GTS brings high-performance technology directly from the race track to the road.

The strong performance potential of the turbocharged six-cylinder in-line engine already demands an exceptionally sophisticated thermal management system for the engine and ancillary units. To ensure optimal operating temperatures in all situations, the M GmbH engineers have developed a highly innovative and effective cooling system. It comprises a main radiator plus additional radiators for the high- and low-temperature circuits, transmission and turbocharger in order to keep temperatures stable. The turbochargers are cooled by means of an indirect intercooler, assisted by an additional electric water pump.

OLED rear lights radiate ultra-high precision.
The BMW Concept M4 GTS is fitted with innovative rear lights featuring OLED (organic light-emitting diodes) technology, a new type of light source producing full-surface and homogenous illumination. Their low installation height of just 1.4 millimeters and the ability to actuate individual light modules which emit light to a single point provide flexibility and allow for precision.

The world premiere of the BMW Concept M4 GTS takes place at the Pebble Beach Concours D'Elegance in Monterey, California on August 13, 2015. More details on the production version will be revealed at a later date.

BMW Group in America
BMW of North America, LLC has been present in the United States since 1975. Rolls-Royce Motor Cars NA, LLC began distributing vehicles in 2003. The BMW Group in the United States has grown to include marketing, sales, and financial service organizations for the BMW brand of motor vehicles, including motorcycles, the MINI brand, and Rolls-Royce Motor Cars; Designworks, a strategic design consultancy based in California; a technology office in Silicon Valley and various other operations throughout the country. BMW Manufacturing Co., LLC in South Carolina is part of BMW Group's global manufacturing network and is the exclusive manufacturing plant for all X5 and X3 Sports Activity Vehicles and X6 and X4 Sports Activity Coupes. The BMW Group sales organization is represented in the U.S. through networks of 339 BMW passenger car and BMW Sports Activity Vehicle centers, 148 BMW motorcycle retailers, 123 MINI passenger car dealers, and 36 Rolls-Royce Motor Car dealers. BMW (US) Holding Corp., the BMW Group's sales headquarters for North America, is located in Woodcliff Lake, New Jersey.

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