Very cool! Amazing engineering for sure!
Also if you have not seen the two documentary style movies following the Audi team I highly recommend watching them.
Truth in 24 I
[ame="http://www.youtube.com/watch?v=FFwoxM1MiBw"]Truth In 24 - YouTube[/ame]
Truth in 24 II
[ame="http://www.youtube.com/watch?v=27F26UA1i6M"]TRUTH IN 24 II - Every Second Counts - YouTube[/ame]