Yesterday we brought you the first photos of the new
BMW 4 Series Coupe Concept, but hot on the heels of the leak, the Bavarian automaker has released the full monty. Set to debut at the Detroit Auto Show next month, the concept previews the new coupe version of the 3 Series, which has now been spun off as its own model line (just as rival Mercedes is integrating its coupes and convertibles back into its sedan and wagon families).