Quote:
Originally Posted by xbimma
How you guys diagnosed the need for a new fan. my AC/heater is not working so I might be next in line
03/2003 E53 X5 4.4i M62 FB 33
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If you turn the car on, let it get to normal temp, then turn on the A/C, I believe the aux fan should just come on immediately. It may even come on directly with the a/c button on. Go out, open the hood and look in there. That would be a starting point.