BMW have unveiled the Concept M4, which Is the new replacement for the M3 Coupe. A new M3 is also on the way but since the 4 series is the 3 series coupe there will be no M3 Coupe. The New car has been confirmed to be running a Straight 6 Twin Turbo engine over the previous V8. There are reports of the engine delivering in the region of 450 BHP and that there will only be a 7 speed double clutch gearbox available, which would be a first for the M3/4. Also BMW are trying to save as much weight with the new car as possible, reports say the aim is under 1500KG. If that is true then the new M4 will be one hell of a car. Check out the video above and the pictures below.