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E34 (1989 - 1995)

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Old 12-05-2009, 12:24 PM
ND 540i ND 540i is offline
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Location: arkansas
Join Date: Dec 2009
Posts: 1
Mein Auto: 1994 540I BMW
Question No Heat on Passenger side

I have a 1994 540I and i have heat on the passenger side but no heat on the driver side or rear vents. I checked the water pump and both coils seemed to be working correctly and they have 12 volts. Both of the hoses are hot to the touch. Any Suggestions?
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Old 12-11-2009, 03:43 PM
jenlex jenlex is offline
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Location: Breda Netherlands
Join Date: Dec 2009
Posts: 31
Mein Auto: BMW E34 540I
Is the controlpanel ok?The right side knob seems not to function.I would say that if the left side is working then it can only be the the knob on the panel.Replace it and then it might work?

With the rear vents you mean the vents in the centre console?From there you only get cold air never heated air.The vents for the rear side heated air are under the seats

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