Hardtop convertibles are already a rarity, but BMW made them even rarer by abandoning the format a few years ago. Here are BMW's reasons for making that call.

We’re pushing our BMW M2 N55 to new heights with a 520HP Pure Hybrid Turbo, meth injection, and an XDI HPFP upgrade! Watch the full build breakdown and see how we transform this M2 into a powerhouse.