Special Edition BMW M4 marks anniversary

It was built to celebrate 30 years since the original convertible M3. So tell us BMW - why is the BMW M4 Convertible Edition 30 Jahre 1 not called an M3 then?

Of course, we were all left very confused those years ago when BMW decided to change the name of the iconic M3 to M4. Yes, we understood the logic of it but could not digest the German'ess in the decision: Beats us why a sports car has to follow the logic of a naming sequence just to settle the obsessive com