BMW Concept 4 Series will be unveiled at the 2019 Frankfurt Auto Show
The Bavarians will introduce the BMW Concept 4 Series, a model which will preview the production car due to launch in 2020.
Video: Check Out the Upcoming BMW 4 Series Convertible in Motion
The 4 Series Convertible was just spotted last week doing laps on the Nurburgring, showcasing its driving dynamics before the launch in 2020
