The BMW 6 SERIES (2010-15) 640I 2DR CONVERTIBLE 3.0 SS 320 EU6 SE AUTO8 is a premium luxury two-door convertible, made for comfortable open-air journeys rather than low-cost motoring. In the UK it belongs to the luxury grand-tourer class: roomier and more imposing than a compact roadster, and more special-occasion focused than an ordinary saloon. Its petrol engine and automatic gearbox deliver relaxed, brisk cruising. mycarcheck.com has recorded just four look-ups covering two distinct VINs, so these figures are a small snapshot, not a reliable guide to every example. Within that sample, average recorded mileage was 13,000 miles and average private-sale valuation was £25,600; the average keeper count was 0.75. Check each car’s history and condition carefully, as individual values can differ. For couples seeking weekend style, its folding roof, polished cabin and lively comfort make it distinctive. It feels sportier than a Mercedes-Benz E-Class Cabriolet, yet suits long journeys well.