The BMW 135i Convertible is a luxury sports car produced by BMW as a two-door, four-seater convertible. The 135i was produced from 2007-2013 and was the top of the line model in the 1 Series lineup. It was powered by a 3.0L twin-turbocharged inline-6 engine producing up to 300 horsepower. It included BMW's xDrive all-wheel drive system as well as several high-end features including leather upholstery, iDrive infotainment system, and sporty suspension.