Thread: Z3 Roadster (E36/7) Heater Control Issues
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Old 12-08-2012, 08:47 AM
marty505 marty505 is offline
Officially Welcomed to the 'Fest
Location: New Mexico
Join Date: Nov 2012
Posts: 165
Mein Auto: 99 Z3 M Coupe/99 540i
One other thing

Before you replace the valve check the connector for +12V while the malfunction is occuring. If there's 12V when there should be none then you need to find and replace the control relay which is even easier and less expensive than replacing the valve.
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