It's rather unusual for tuning companies to release teasers, but this is what we got today from the Californian-based specialists at Vorsteiner. Obviously they are preparing for the SEMA Show and this is why they have released a sketch of the vehicle they are premiering there. The details disclosed are scarce except for the name of the car, which is GTRS4 Wide Body. Although the manqué of the automobile wasn't revealed, it is clearly visible that it is a BMW.

Even more, the kit will probably be offered on the BMW M4 Coupe. Judging from the sketches, it will feature an aggressive front bumper and a bulging hood. The mage also shows that there will be also added extended fenders and an aggressive rear diffuser. This tuning comes to celebrate Vorsteiner's 10th anniversary. The car will be officially revealed on 4th of November during the SEMA Show.

2014 BMW M4 Coupe is powered by a 3.0 liter TwinPower Turbo Inline six-cylinder engine. It produces 431 horsepower (317 kW) at 5,500RPM and 550Nm (406 lb-ft) at 1,850RPM. The engine is mated to a 6-speed manual gearbox as a standard. The car accelerates from 0 to 100 km/h in 4.3 seconds and has a top speed of 250 km/h (155 mph) or an optional 280 km/h (174 mph).

The acceleration becomes even better if the car is fitted with the optional 7-speed ///M DCT, precisely – it is 4.1 seconds. The M4 is able to cover 100 km with just 8.8 liters of fuel in the combined cycle with the manual transmission and 8.3 liter with the DCT. Some of the special features for the MY2014 feature an updated MacPherson strut front and multi-link rear suspension.

Source: Vorsteiner