«Nordschleife» a long time ago automakers used as a unique proving ground for machine settings. In the video much like factory testers chase on the «Green Hell» new models of a variety of brands and classes, to make the last adjustments in the pre-production samples.
As you can see from the video, it does not always go smoothly races, but also for security and to preserve the veil these test pilots circles pass on a closed road for ordinary motorists.
