AC FAN STAYS ON

  • Tiny
  • James F
  • 2002 BMW 540i

2002 BMW 540i, recently the AC Fan just starts up and keeps running when car is cool and everything is off?

Once I had it parked at the airport and when I returned the AC Fan must have kept running and drained out the battery completely.

Wednesday, August 3rd, 2011 AT 10:00 PM

2 Answers

  • Tiny
  • rasmataz
  • Member

Check and test the Auxiliary Fan Normal Speed Relay (K21)Right rear of engine compartment.

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Wednesday, August 3rd, 2011 AT 10:11 PM
  • Tiny
  • James F
  • Member

Thanks for the help, really appreciate the help.

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Thursday, August 4th, 2011 AT 6:58 PM

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