A little after a leaked brochure gave us our first taste of the lightly refreshed 2011 3-Series Coupe and Convertible models, BMW rushed out an official release and a whole bunch of pictures. For the 2011 model year, the Bavarian automaker’s bread-and-butter coupe and cabriolet models receive some minor cosmetic touches and updated powerplants.The most notable – that is, if you’re a hardcore