The X5 and X6 don narrower headlights ... Skyscraper Grey Metallic, and Frozen Pure Grey Metallic. We struggle to imagine BMW customers were wanting for more gray or silver shades, but hey ...

Case in point? The company's new Frozen Gray BMW M3 built for serious track duty. We tend to live by the mantra that no car is too rare to drive. Even the most unique pieces of automotive history ...