The BMW 4 SERIES CONVERTIBLE (2017-20) 430D 2DR CONVERTIBLE 3.0 DPF SS 258 EU6 M SPORT AUTO8 is a premium, four-seat drop-top, sitting above mainstream convertibles in the UK market. It combines open-air motoring with a smart, coupé-like shape and a strong diesel engine, making it more of a relaxed grand-tourer than an everyday small car. Mycarcheck.com recorded 404 checks across 181 distinct VINs, a useful sample of interest in this model. Checked cars averaged 52,000 miles and 7,000 miles a year, with about 1.84 previous keepers. The average private-sale valuation was £19,000; actual prices vary with condition, history, specification and market changes. Well suited to couples, families and commuters, it offers long-distance travel and open-air enjoyment. Its automatic gearbox adds convenience, while M Sport trim gives it a sharper, purposeful look. Compared with Audi A5 and Mercedes C-Class convertibles, the 430d is notable for six-cylinder punch and relaxed motorway pace.