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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 7 Series / 8 Series > 7 Series - E23 / E32 (1977 - 1994)

7 Series - E23 / E32 (1977 - 1994)

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Old 04-10-2014, 12:51 AM
stafi stafi is offline
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Location: Poland
Join Date: Aug 2011
Posts: 16
Mein Auto: e39 530i
Any idea what's the purpose of this button??

My friend bought a very nice e32 and he is trying to figure out one thing.
Does anyone know what this button is for:

(the one on the lefthand side of the radio)

So far I have found this post with no response back in Y2000:

If you didn't know- there's a switch/circuit breaker to the right of your steering wheel, but before your radio that will disengage the windows. I'm just wondering why on earth BMW put that in. I guess if the window/s have a problem it snaps out and stops them from working or something, but why would that happen? Why would BMW put something which seems VERY useless on my car? Please enlighten me. Thanks.


Probably meant to stop the windows if something (someone) gets caught in them, stopping the motor draws more current and trips the breaker. "

The description seems to match the location of the button and I have asked the guy to manipulate the windows and while doing that to press the button to see what happens, but meanwhile maybe someone knows for sure what that is and why this is a very rare button on the e32s.

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Old 05-09-2014, 06:13 AM
BMWFatherFigure's Avatar
BMWFatherFigure BMWFatherFigure is offline
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Location: Perth, Western Australia
Join Date: Aug 2012
Posts: 2,338
Mein Auto: E23;E30;E38;E32;E34 +
Are there any wires on it?. Are they live?
Good - Fast - Cheap: Pick any two.
E23 735i; E32 735iL (X 2 - 1 Alpine White and 1 Glacier Blue); E34 535i; E38 735iL; R50 Cooper; R55 Cooper Clubman.
E21 318i; E30 318i; E32 735iL; E34 535i; E38 730iL; E53 4.4i
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Old 06-16-2014, 03:44 PM
fidolido fidolido is offline
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Location: Los Angeles, CA
Join Date: Jan 2011
Posts: 23
Mein Auto: 93 525i E34
Pop it out and see if there are wires behind it. Looks like the place holder for the ASC switch in most cars equipped.
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Old 06-17-2014, 03:01 PM
stafi stafi is offline
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Location: Poland
Join Date: Aug 2011
Posts: 16
Mein Auto: e39 530i
After extensive investigations it turned out that the car was equiped with some sort of sound generator that was supposed to drive away animals (cat's, etc). No idea if that was working or not, but case closed
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Old 08-01-2014, 09:48 AM
bmw-mania bmw-mania is offline
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Location: California
Join Date: Feb 2011
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Mein Auto: BMW
^ interesting.. it keeps small critters away?

I think that is a IR sensor for the vehicle.
I have one located in the ceiling of my E32.

Originally Posted by cj.surr View Post
I don't have to read the username on these posts to know who wrote it.

Bmw-Mania, Ladies and Gentlemen.
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