The BMW 3 SERIES (1998-06) 330CD 2DR CONVERTIBLE 3.0 SPORT is a premium, four-seat, two-door convertible rather than a family hatchback or SUV. It combines open-air driving with a muscular diesel engine, giving it a distinctive place in the UK used executive car market. Mycarcheck.com has recorded 480 look-ups across 187 distinct VINs, a useful sample for this specific model. Checks show an average recorded mileage of 129,000 miles and annual use of about 5,000 miles. The average private-sale valuation is £1,700, while cars have had around six previous keepers on average. It’s best suited to couples or drivers wanting a weekend car that can cover journeys, rather than buyers needing rear-seat access or low running costs. Compared with petrol-powered rivals, the 330CD stands out for diesel pulling power and cruising; its trim and folding roof add appeal. Consider condition and maintenance, as these are now older, often well-used cars.