Germany’s excellent motoring magazine, GRIP, gets its hands on the seriously powerful Manhart M3 V8R Biturbo. This insane machine has been fitted with the whole twin-turbo 4.4L drivetrain from the BMW X6 M, which, after some ECU tweaking and a new exhaust, bumps the engine’s output to over 700 hp. The video is in German but u don’t really need to understand what he says to see how fast and awesome the car is.