even if quite old... looks to be from the mid 80s if i were to guess... but quite enjoyable, thanks nubmer77 that drive ris definately driving quite impressively around the ring!
It's Stefan Roser (Ruf's official test driver at the time) driving around the Nordschleife in about '86 in the CTR yellowbird. It was the official Ruf video at the time. In fact, you can still buy the video. It's called Fazination am Ring...
It's been a freebie download on the internet for years.