Air Conditioning ON without being switched ON?

[Jonathan Schwartz <jonathan@xxxxxxxxxxxxx>]

 From time to time on my 92 E34, I find that my A/C  produces cold air 
without the A/C being ON (illuminated).  My BMW mechanic responds 
with "Impossible!".  I let it go.

Then my wife's 95 E34 did the same thing the other day.  The A/C 
worked with the light/switch OFF, and didn't produce cold air when 
the light/switch was ON.  Not until the car was shut off and 
restarted, did the system return to normal operation.

Since the switch itself doesn't actually control the compressor 
directly, is this a case of confused computer/control circuit?

Has anyone else had the same issue?

Thanks


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Jonathan Schwartz,
Mill Valley CA
jonathan@domain.elided

'95 525iaT
'92 525i
'89 325

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