till now there were always quite a lot RS4's participating; Two in 2001 (black,avus), three in 2002 (red, black, noggy)
*warning
* this is probably all old news, but this forum needs a gumball thread 
Some images: (probably al posted before on RS4.org, but the're so nice
)
I don't know if it's the colour of his car or his way of driving, but i saw the hole gumball Movie, and this car got fined most of all, (got pulled over 7 times a day
)
This car lost a wheel
wilst driving on the highwaytons of other ones here:link
and a movie of the participating RS4's:
RS4
Greetz
