2017 BMW 5 Series: 7 Series Comfort, 3 Series Agility Published on December 7, 2016 in First Drives by Sylvain Raymond Photo: Sylvain Raymond The new BMW 5 Series is 36 mm longer than the previous-generation car (at 4935 mm), 6 mm wider (at 1868 mm) and 2 mm higher (1466 mm). It rides on a wheelbase stretched by 7 mm (2975 mm).