Imagine, if you will, that you have a crystal ball and within that ball, you can see BMWs future. What do you see 5 years from now? 10 years from now? 20 years from now? Do you see crazy sports cars, an allotment of high-spend luxury cars, or a simple evolution of the cars the brand offers today? Well, if you look at the BMW Concept 4, the what you should be seeing is grille.lots and lots of big grilles. After all, that has been the most controversial thing about the new Concept 4, a model thats said to represent, at least in some form, the next-gen 4 Series. That means other models, should this grille find its way to the next-gen 4 Series, could feature a similar look down the road as well. For now, though, lets take a closer look at the Concept 4 and see what more there is to it outside of that massive grille.