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Old 07-30-2020, 11:28 PM
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upallnight upallnight is offline
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Join Date: Aug 2012
Location: Cook County
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You sure it's the fan for the HVAC and not the aux fan? Aux fan is known to cause the X to burst into flame. When you turn on the AC it also signal to turn on the aux fan. If you have bmw scanning software scan the X and see if you have a fan fault code in the DME.

Smell around the aux fan and see if you smell that acrid smell of burning wires.
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