Detroit 2011: 2012 BMW 1 Series M Coupe revs its beating heart

BMW's latest introduction to the U.S. market bowed today at the 2011 Detroit Auto Show, and it's a machine that's meant to light the true enthusiast's heart aflutter: the 2012 1 Series M Coupe. We must say, it looks rather striking in the metallic orange hue you see in our live photo gallery below.Even more importantly, the 340 horsepower put out by its 3.0-liter turbocharged inline-six engine