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X5 E53 (1999 - 2006)
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  #1  
Old 09-11-2016, 07:15 AM
BMWx5e85 BMWx5e85 is offline
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Mein Auto: BMW x5 e83
Blower motor deade! Blower resistor, final stage unit, or climate control deck?

My air blower motor all of a sudden stopped working.

Car: BMW x5 e53 2003

I have tried to connect the air blower motor directly to my car battery and it was spinning then, but when connected back to the installation the motor is completly silent - doesn't work at all.

Hence in my opinion it could be either a blower resistor, or the final stage unit, or climate control deck.

How can I simply check which party is faulty?


Thanks in advance for your help!

Last edited by BMWx5e85; 09-11-2016 at 07:20 AM. Reason: typo
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  #2  
Old 09-11-2016, 07:10 PM
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Zulu95 Zulu95 is offline
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Mein Auto: 2001 X5 3.0L
Change out the FSR and see what happens.
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2001 X5 3.0L
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  #3  
Old 09-12-2016, 02:33 AM
BMWx5e85 BMWx5e85 is offline
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Mein Auto: BMW x5 e83
Changing parts, one by one, is possible way to go.

What about conducting some diagnostics before spending money on new parts? Any suggestions?
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  #4  
Old 09-21-2016, 07:49 AM
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boramkiv boramkiv is offline
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Mein Auto: Some Bavarian car outside
There's also a fuse 48 replacement issue here too that can fix a dead HVAC control unit. The problem here is that you're getting feedback from years of experience with these vehicles. If you really want to diagnose the issue to a tee then it would be a good idea to invest in a diagnostic (BMW specific) tool. An FSR is cheap and easily accessible, fuse 48 is easy to diagnose and cheap to replace, the control unit can be eliminated if fuse 48 checks out. The blower motor is the blower motor if everything else is good and it isn't blowing. These are the common issues and remedies regarding the HVAC system on the E53. Searching helps a lot.
Please let us know if you do find the issue, and good luck.
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  #5  
Old 09-27-2016, 03:54 PM
BMWx5e85 BMWx5e85 is offline
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I have change the FSR and everything works now.

Thank you for your expertise, experience and wise advice!
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air blower, blower motor not working, blower resistor, climate control deck, climate control fan speed, climate control test, e53, fsu, the final stage unit


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