The BMW 3 SERIES CONVERTIBLE (2007-14) 320D 2DR CONVERTIBLE 2.0 DPF 184 M SPORT 6SPD is a premium, four-seat, open-top diesel, sitting above family hatchbacks in the UK used-car market. Its folding hard roof gives coupe-like security when closed and fresh-air motoring when open, making it an alternative to saloons. Mycarcheck.com has logged 907 checks covering 348 different VINs, offering a snapshot of cars shoppers have researched. The average private-sale valuation is £6,800, with average recorded mileage of 88,000 miles and annual use of 7,000 miles. Checks show about four previous keepers on average, so inspect service records and ownership history carefully. This M Sport version pairs a sporty look and engaging drive with diesel economy, suiting couples, commuters and weekend trips more than buyers needing easy rear-seat access. Against Audi A4 and Mercedes-Benz CLK convertibles, it stands out for balanced handling and everyday usability; choose carefully, as condition matters.