I found this on Digg.com today.
A shop joyriding in a costumers car. (Dealers Review)
Then, (I can't remember how I found it, but I did.) another dealer totals an M3. (Dealer Review)
I would think this is something that happens ALL the time. There are probably a few more out there that I don't even know of.
One of the forums linked to the Dealer Rater site and I strolled though until I found a couple local dealers.
1) Bill Penny - SUCKS!
2) Bill Heard - SUPER DUPER SUCKAGE! You must be scumbags when you get this message.
DEALER WARNING: This Dealership has written (1) fraudulent review about themselves which has been removed. All new positive reviews will be delayed from being viewable for a period of (3) Months.
Although where my mother purchased her Xterra (man I liked that truck) received a 5.0.