1986 BMW 325 1986 BMW 325es - Hot Weather Issues

Tiny
NNICK
  • MEMBER
  • 1986 BMW 325
Electrical problem
1986 BMW 325 6 cyl Two Wheel Drive Manual

1986 BMW 325es - When it gets hot my electric windows usually get stuck (stay down or up depending on how they were when the car was parked). In addition, if I drive for more than about 15 minutes and stop for about 5 minutes or so (like to go to a store) then I have a hard time restarting. This phenomenon only happens when the weather is hot (summer/late spring). I never have these problem during winter months, ever.
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Friday, April 4th, 2008 AT 9:26 AM

2 Replies

Tiny
DOCHAGERTY
  • MECHANIC
  • 9,601 POSTS
I have encountered many issues with the E-30 body style, but this is the first time I have heard of heat causing an issue with the windows, let's try eliminating some components to see if we can find the culprit, there is a circuit breaker in the center console that might be heat sensitive, also the window switches might have the same sensitivity, try a temporary bypass of the circuit breaker(don't eliminate it, just bypass it for diagnosis as the breaker is the only "fuse" in the circuit) and possibly swapping or replacing the window switches. As to the hard starting, how long has this been an issue and what has been done to address this. Please repost or send a PM and I will try my best to assist you. Dr. Hagerty
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Friday, April 4th, 2008 AT 10:16 AM
Tiny
BMW1986
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I have the same problem any help would be great. I'd like to do as much as possible myself before taking it to a professional.
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Thursday, July 17th, 2008 AT 1:11 PM

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