Detroit Show 2012 Highlights: 2013 BMW 3-Series

The BMW 3-series has been unveiled to the North American audience at today's Detroit motor show.The roomier, faster and more economical BMW 3-series saloon - know internally as the F30 - is new from the ground-up, has been four years in the making, and is tasked with continuing BMW’s dominance over key rivals such as the Audi A4, Mercedes-Benz C-class and Volvo S60.So thorough has the design