2013 BMW M6 Gran Coupe spied on the production line
Here is the first spy photo of the new BMW M6 Gran Coupe where the German model is completely undisguised. It seems that the following image has been taken at one of BMW's factories where the new model is being built. With a 4.4-liter twin-turbo V8 engine under the bonnet, the new M6 Gran Coupe should deliver 553 horses and...