Okay had a little trouble with my Passat and thought I'd seek advice.
Battery died, i jumped it, couldn't keep it idle, revved it for a little while, a small fire appeared on the side of the motor. the fire died on it's own and im not going to start it again. If you are facing the motor it was on the left hand side by the passenger side wheel. I don't know whats down there or what could have happened but I'm just weighing my options at this point.
1999 Passat Auto V6 165k all options- in case that helps.