E39 heater / AC - can no longer adjust volume - BMW Forum - BimmerWerkz.com
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#1 (permalink) Old 01-26-2010, 09:36 AM
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E39 heater / AC - can no longer adjust volume

Have an E39

Adjusting the volume settings on the blower for heater and/or A/C
no longer works to adjust the heater / AC output

What is the issue? What is the fix?

Thanks all
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#2 (permalink) Old 02-01-2010, 02:23 AM
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Just advised another member about FSU (final stage Unit) they are known to fail on our cars and will affect heater blower function and will also cause battery drain , yours could be that, it is common.

528imwayne
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#3 (permalink) Old 02-01-2010, 12:50 PM
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DIY - Replacing the final stage unit/blower motor resistor - bimmerfest - BMW Forums




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