It was a promotional one-off. They couldn't even go WOT in that thing because it would destroy the transmission (I believe it used the regular R8 transmission).
Sure would be fun if it was actually produced though!
2014 Tesla Model S 85kwh
2011 335d / Deep Sea Blue / Saddle brown / sport / premium
2008 BMW 135i / 6MT
2002 Z06 Corvette