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Power windows, radio, fuel gauge just quit working

Tiny
COBBLERMAN
  • MEMBER
  • 1997 BMW Z3
  • 2.8L
  • 6 CYL
  • 2WD
  • MANUAL
  • 88,000 MILES
My car was parked for about four days. Went to use it today and multiple items will not work. Power windows, radio, fuel gauge. I checked the individual fuses and they all look good. Is there one fuse or relay that would control those items?
Wednesday, September 19th, 2018 AT 5:02 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 43,056 POSTS
Hello,

It sounds like the BCM behind the glove box has gone out. Here are the wiring diagrams so you can see how the system works. I would get a used one and plug it in to see what happens. You might need to get it initialized at the shop which should run about $130.00.

Component ID A104, Body Electronics Control Module (ZKE IV)
Location Behind Glove Box

Check out the diagrams (below). Please let us know what happens.

Cheers, Ken
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Friday, September 21st, 2018 AT 11:26 AM

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