The BMW 3 SERIES CONVERTIBLE (2007-14) 330D 231 2DR CONVERTIBLE 3.0 231 M SPORT is a premium four-seat, two-door convertible, offering a more comfortable open-air choice than a small roadster. In the UK used-car market, M Sport styling and a strong diesel engine make it appealing for relaxed, lively long-distance driving. mycarcheck.com records 312 look-ups across 90 VINs, a sample of interest in this model. Checks show an average private-sale valuation of £4,400 and average recorded mileage of 119,000 miles, with annual mileage averaging 5,000. Cars checked had around six previous keepers on average, making a history and condition check worthwhile. Best suited to couples or households, this BMW 330d combines comfort with roof-down weekend fun, though rear access and boot space are less practical than in a saloon or estate. It offers a sportier, engaging alternative to an Audi A4 Cabriolet. Check service history, roof operation and wear before buying.