So, what are the problems with these hardtop convertibles? Whether a four-seater like the F33 BMW 4 Series or a dedicated two-seater like the Mazda MX-5 RF, hardtop convertibles can add a layer of ...

Reports out of Germany say that the next BMW 4 Series, due in 2020 or 2021, will ditch the current folding hardtop for a fabric roof. The official car of pro tennis clubs around the world ...