BMW ≫ Z4BMW Z4 Concept (2017, third generation) photosby Joshua ThompsonThe 2017 BMW Concept Z4 teases the third generation roadster. It shares its platform with the new Toyota Supra, and a soft top instead of a folding hardtop. ◄ PrevNext ►Credit: BMW 2017 BMW Z4 Concept - front, bronze/orange, top down Tags:bmwconcept carthird generationz4