At the beginning of the year, BMW introduced the new generation of its 5 series models. Now they range from sedans to suitable business station wagons.The station wagon’s profile best shows off its elegant lines. The trademarks are a long hood, short overhangs and the longest wheel base in the series. drive It tests the smaller of the diesel models, a 5 series touring, the 520d. All the models of the new BMW Touring 5 Series come with adjustable rear axle air suspension.