I wonder if there are laws against towing more weight than the manufacturer's limit? I've heard that it's common to tow trailers in Europe that are approximately the same weight as the tow vehicle.
I wonder what year the passat is? I think the early ones were a little under 3000 lbs. Some tow dollies are fairly heavy, at least it seemed heavy to me when I inquired at a U-haul. IIRC seems like they said the dolly weighed around 450lbs.
Edit: I swear, Babymog's post wasn't there when I was writing mine
__________________
1979 240D, 4spd manual, Power Sunroof, manual windows, 147k miles, Pastel gray/Black MB Tex.
1991 300D 2.5 - Smokes like it's on Crack!