1996 BMW 328 ratiator cooling fan

Tiny
GOLFKING2005
  • MEMBER
  • 1996 BMW 328
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 11,000 MILES
Why does the ratiator fan keep running when the car is off? It killed the battery 8 hours later.
Tuesday, December 23rd, 2008 AT 7:52 AM

1 Reply

Tiny
DOCHAGERTY
  • MECHANIC
  • 9,601 POSTS
The auxiliary fan is controlled by a final stage unit that is basically a potted semi-conductor that controls the fan speed and it is possible that unit is shorted and will require replacement. I think the aux fan and the final stage are sold as a unit, but I am not sure as I am not on my home computer and do not hace access to my data base.
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Wednesday, December 24th, 2008 AT 11:47 AM

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