When the legendary race-court "Nürburgring" is opened for the public (everyone can drive with his own vehicle after paying some money), often interestng scenes are to see:

http://www.youtube.com/watch?v=mAif5rudCGs&feature=related

http://www.youtube.com/watch?v=7ShjXo3Mz3s&feature=related
- in the background an Opel-ad with the text "Fahren Sie zur Hölle" - "drive to hell". The Nürburgring is called "Grüne Hölle" - "green hell"

Very nice scenes from the 70ies:
http://www.youtube.com/watch?v=YZb7sbRFCF0&feature=related

Here you can see, how dangerous a back engine can be. The most spectacular crashes we made by VW Beetle, NSU TT, Fiat 850, Renault 8 and VW 1500.

A collection (with a car for walter, too
http://www.youtube.com/watch?v=L3UhlX33KuI&feature=related