We tend to live by the mantra that no car is too rare to drive. Even the most unique pieces of automotive history were designed and built to be a mode of transportation first and a stationary object of desire second. The crew at Turner Motorsports has taken that philosophy to the next level – they believe there's no such thing as a vehicle that's too rare to race. Case in point? The company's new Frozen Gray BMW M3 built for serious track duty.