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Old 06-23-2015, 01:58 PM
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2000 X5 AC problem

My ac fan comes on off when on AC mode course when its very hot and needing it.. I have changed out the final stage resistor 3 times and obviously this is not the issue. Everything works great when it does function and I have blown out the Temp control ports in the bottom of the control panned for cabin air.. Any other ideas what this might be.. I'm stumped..
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2000 X5

1999 Z 3 2.3
1994 Dodge 1500 4x4
1990 Jeep Wrangler
1947 Dodge p/u 4x4 small block
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Old 06-23-2015, 06:54 PM
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I recall a issue where the blower motor was bad...and it would fry the FSR downstream. I recall my Indy telling me about diagnosing it, in which the FSR's kept on getting fried, and it turned out the blower motor was the root cause
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Old 07-22-2015, 10:08 PM
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Check this thread.

Air cond blower not working! - Bimmerfest - BMW Forums
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Old 06-23-2015, 04:27 PM
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2000 X5 a/c

sorry if I was not clear.. A/C comes on , and fan blows, then fan cycles on and off continuously. 20 seconds of blowing cold air the stops. Then on again, just keeps repeating the cycle. Doesn't matter what fan speed , what port selection, auto or manual . Just on and off.. then eventually when it feels like it the system will work fine. But the Issue can last 1/2 hr or more at times. really:
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2000 X5

1999 Z 3 2.3
1994 Dodge 1500 4x4
1990 Jeep Wrangler
1947 Dodge p/u 4x4 small block
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