BMW has freshened up its 3 series models with a new design an larger choice of motors. There is now the option of five gasoline and four diesel engines. These engines give more options further down the price scale.All 3 series models come with six speed manual shift gears. All engines comply with the Euro 5 emission standard. Drive it! tested the convertible and the coupé models. We also examined the 320d EfficientDynamics edition sedan. It sets new standards in the medium sized car market using an average of 4.1 liters of fuel to cover 100 kilometers.