Please Help: Heater works even with ignition off! (archive)

I have had this problem with this car ever since I bought it and was hoping someone could help me. Sometimes when I turn off the ignition, and take out the key my heater/cooling fan continues to run but at other times it is fine. I have adapted to the situation by turning off the fan everytime I turn off the car but I sometimes forget. I am afraid I might end up draining the battery. What should I look at to cure this problem: a relay, a fuse?.

Omer.

P.S My window controls work without the key in the ignition as well. The difference being that the windows work like this all the time but the heater fan does it sometimes.

Follow Ups:

Thanxs Omer 18:29 12/31/2000 (0)
Re: Please Help: Heater works even with ignition o brokenbmw 11:30 12/31/2000 (0)
Re: Please Help: Heater works even with ignition o Leave it to Bimmer 03:29 12/31/2000 (1)
- also check fuse block wires for tampering Leave it to Bimmer 03:33 12/31/2000 (0)

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