图中这款历时7个月定制的M4敞篷版，最亮眼的地方是其BMW Individual个性化定制特别涂装暮光紫 （Twilight Purple metallic） ，作为宝马490系列车漆中的一种 （色号P28，SOWU） ...

A refreshed BMW 4 Series is in development, as we've seen in a plethora of spy photos. But the purple ragtop featured here is actually the first time we caught a high-performance M4 test vehicle ...