BMW ≫ 4-SeriesBMW 4-Series convertible (F33, 2013) photosby Joshua ThompsonThe F33 BMW 4-Series convertible junks the 3-Series name, but sticks with the 2-door, RWD layout, and convertible hardtop essentials. ◄ PrevNext ►Credit: BMW F33 BMW 4-Series convertible (grey) - rear, top in transition Tags:4-seriesbmwconvertiblef33