2012 BMW 3 Series * See the Top 10 best-selling models by clicking on 'Read more' at end of post! * For the second time in the last 3 months the UK market is up year-on-year at +3% and 134,944 registrations. The year-to-date total is down 4% at 1,688,038 units. The Ford Fiesta is in pole posit