The BMW 3 SERIES (1998-06) 330CD 2DR CONVERTIBLE 3.0 M SPORT is a premium, four-seat convertible from BMW’s compact executive-car range, combining open-top motoring with a strong diesel engine and sporty M Sport styling. In the UK used-car market, it sits between everyday family cars and more expensive luxury convertibles, offering a distinctive alternative to an Audi A4 Cabriolet or Mercedes-Benz CLK. Mycarcheck.com has recorded 202 checks covering 70 distinct VINs, a useful sample of interest in this older, specialised model. The checked cars average £2,000 in private-sale value and 127,000 miles, with about 4,000 miles driven annually and just over five previous keepers on average; individual cars can differ. Its cabin and folding roof suit couples or small households wanting weekend trips and relaxed commuting, rather than maximum practicality. The diesel’s long-distance efficiency and M Sport’s sharper look make this 330CD distinctive, though age, mileage and maintenance deserve careful checks.