Nurburgring spyvideo: BMW M3 overtakes an Audi R8
Maybe the R8 driver realized that he was being caught and gave up
http://www.edmunds.com/insideline/do/GeneralFuture/articleId=120542
New image from the M3 webspecial:
http://www.edmunds.com/insideline/do/GeneralFuture/articleId=120542
New image from the M3 webspecial: