On 26 May 2007 13:54:33 -0700, dlucy@mindspring.com wrote:

>I have a 99 328i sedan E46 manual. Just yesterday, I noticed the
>radiator fan stayed on even after I had turned off the car. I know
>there is a sensor watching temperatures and it is supposed to continue
>to run for a while if needed, so I ignored it.
>
>Came out this morning to a dead battery. Swapped out batteries and the
>radiator fan starts running even before I can turn the car on. Hmm...
>faulty sensor, I bet.
>
>Anyone know which sensor I should be looking for? The radiator sensor
>in the lower hose? Or is the thermostat in the water pump connected to
>this fan, too?
>
>Thanks!


Sounds like a dead relay.



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