BMW i Vision Dynamics Concept previews all-electric four-door sedan

BMW i Vision Dynamics concept, 2017 Frankfurt Motor Show    [photo: Tom Moloughney]If concept cars are meant to grab attention, then the BMW i Vision Dynamics Concept—an all-electric sedan that debuted Tuesday at the Frankfurt motor show—may have fulfilled its mission. With the huge, vertical twin-kidney BMW grille also seen on the BMW X7 SUV concept, the smaller four-door sedan concept grabbed viewers' attention...