One problem related to cooling fan has been reported for the 2000 Volkswagen Beetle. The most recently reported issues are listed below.
While driving engine check light and temperature light came on. Then smoke came from under the hood. When this happened, car had to be towed to nearest vw dealer. Dealer said that both electric fans needed to be replaced. There was a kink in the wire of one of the fans that caused it to fail. Both fans basically melted and blew apart.