Question about 1999 BMW 328 Series

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Whattolookfor1997bmwz3auxfannotworking? Car over heating aux fan not coming on I was told to check senser. Where is that located?

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Mike are we talking abut the auxiliary fan or the main cooling fan? The temperature sensor is located on the lower part of the radiator header tank. Regards John

Posted on May 19, 2014

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You should check the thermostat. There must be a sensor connector on the thermostat housing. If you bypass that connector and the fan runs, then the thermostat is damaged and needs to be replaced. If you follow the radiator hose you will reach the thermostat housing.

Posted on May 19, 2014

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