Have you ever thought about taking a trip around "The Green Hell?" If you're a racing enthusiast, you probably have, as you know we're referring to the famous Nurburgring motorsports complex in Germany. The Grand Prix track here is one of the most demanding race courses in the world, and now you can experience the excitement of traveling on it for yourself with the help of luxury brand BMW. The brand recently introduced its new Ring Taxi, which takes enthusiasts that have purchased tickets for a lap around Green Hell. The Taxi is based on a BMW M5…