Set for its global debut at the 2014 New York Auto Show, the 2015 BMW Convertible features, like its forbearers, everything that's great about the hardtop variant Bmw M3 Cabrio, M4 Cabriolet, Bmw M3 Sedan, Bmw M3 Convertible, 2015 Bmw M4, 2017 Bmw, New Sports Cars, Sport Cars, Diesel