Alpina is shouting Forget the new BMW 3-Series! at the 2011 Tokyo Motor Show, as the German tuner is giving us the world debut of the B3 GT3, with the vehicle being a racer for the road.

The B3 GT3, which uses the E92 BMW 3-Series Coupe as a starting point, is powered by an evolution of the 3.0-liter twin-turbo straight six of the Alpina B3 S Bi-Turbo. We get a new exhaust system that uses an Akrapovic titanium rear silencer, offering the engine an extra 8 hp. The unit now delivers 408 hp at ... [...]

Source: autoevolution