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Battery still drains but not by FSTU

Tiny
RICHARDJD
  • MEMBER
  • 2004 BMW 325
  • 6 CYL
  • 2WD
  • MANUAL
  • 75 MILES
When I park my 2004 BMW 325CI, ignition off I can hear a faint sound like a fan at very low speed. As per Google tips I checked and removed the final stage resistor assembly, the noise did not go away. With some experimentation I removed fuse # 26 red 7.5 amps an the noise stops I put it back everything stayed quiet until I turned on the ignition again. That helped I had no more dead battery but it's a pain in the b--t I can't keep doing this forever. What do you think can cause that
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Thursday, January 27th, 2011 AT 2:06 AM

1 Reply

Tiny
DOCHAGERTY
  • MECHANIC
  • 9,601 POSTS
It might be something in the garage door opener or the circuitry in the general module, which is the transmitter source for the GDO. I looked in Alldata for something that seemed like it could be the culprit, and there really wasn't anything there. The general module might be a place to start looking, the fact that it is the "gateway" module for many operations makes it suspect. A short test with the proprietary scan tool from BMW would certainly be helpful in finding the issue, perhaps setting an appointment with your BMW service provider would be enlightening.
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Thursday, January 27th, 2011 AT 7:24 AM

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