cooling fan not working. on 2001 BMW 325Ci

what i need to do to check the fan function.

by in Huntersville, NC on July 09, 2010
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1 answer
ANSWER by , July 09, 2010
There is a 4 pin plug on the passengers side of the fan. Power and earth and 2 small wires with modulate the fan speed. I am not aware of anyway to check it beside via BMW tester machine. When the A/C is switched on fan speed one should be engaged within few seconds. Fan speed two should only come on when car is getting too hot