The BMW 1 SERIES (2007-13) 135I 2DR CONVERTIBLE 3.0 306 SE 6SPD is a compact premium convertible: a two-door, four-seat alternative to a traditional hatchback, aimed at drivers wanting open-air motoring with everyday usability. Its powerful petrol engine and manual gearbox give it a sportier character than ordinary small cabriolets. Mycarcheck.com records are limited, with seven look-ups covering two distinct VINs, so figures are useful indications rather than a broad market verdict. Across those checks, average private-sale value was £3,600, recorded mileage averaged 83,000 miles and annual mileage just 1,000. Cars had about 3.3 previous keepers on average. This 135i suits couples or enthusiasts who want a weekend car that can handle commuting, though rear seats and boot space are modest and running costs may exceed those of a small hatchback. Against an Audi A3 Cabriolet or Volkswagen Golf Cabriolet, it stands out for performance and engaging driving, rather than economy.