1-Series has a sensational road personality, regardless of which engine you choose. Available as a coupe or convertible, the base 128i has an inline six-cylinder engine that offers 230 horsepower, while the 135i's turbocharged six-cylinder engine puts 300 horsepower to the rear wheels. Regardless of model, car reviewers agreed that the 2009 1-Series is incRedibly fun thanks to ample power, precise steering and strong brakes.Inside, reviewers said the 1-Series looks clean and elegant. The base model comes with faux-leather seats, dual-zone climate control, a 10-speaker stereo and an auxiliary port. Leather seats, power front seats, BMW Assist, Bluetooth, navigation, HD radio, an iPod interface, satellite radio and a stereo upgrade were optional.