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3-Series (E21, E30) Chat relating to the BMW 3-Series from 1975-1983 and 1984-1991 line. Specific models: BMW 315, BMW 316, BMW 318, BMW 318i, BMW 320/4, BMW 320i, BMW 320/6, BMW 323i, BMW 320i. E30 Family models include: BMW 325e, BMW 325i, BMW 325is, BMW 325ix.

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Old 08-17-2012, 12:37 PM   #1 (permalink)
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heater fan switch not working

MY heater motor and resistor is good and also the fan switch and have replace relay switch and still nothing when I turn on inside fan for heat or fan or a/c. I did disconnect the arm level for the flapps on the inside motor because it was broke and would not open it ran all the time so that is not connected anymore. Does this have to be connected and working so I don't break the whole connection to the system?
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Old 08-17-2012, 12:56 PM   #2 (permalink)
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TBH, yes... Simply because that device directs the airflow... Are you certain that the other components are working as they should?

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Old 09-18-2012, 04:18 AM   #3 (permalink)
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yes it is necessary to connect this and it must be done carefully as it may cause more wire breakage . you can also refer to these general mechanical of cars on www.bmwcars/manual.com
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