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Blower won't turn off?

Tiny
HLTANNER
  • MEMBER
  • BMW X5
I have BMW x5 3.0I 2002 81,400 miles no prior maintenance. The blower continues to run with the engine off. Pulling a 50 amp fuse labeled blower is the only way to stop the blower and prevent the battery from running down. Would be very thankful for any help. H Tanner
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Tuesday, September 4th, 2007 AT 7:04 PM

29 Replies

Tiny
DOCHAGERTY
  • MECHANIC
  • 9,601 POSTS
Your problem is the final stage that controls the fan needs to be replaced. It is located just behind and below the glove box behind the upper carpet trim. Just remove the carpet trim and you can see it, the connector is a black 5-pin, you'll see its real easy. The final stage may be available online somewhere. The dealer will have these as a stock item, they fail all the time. The wiring diagrams for your blower system are attached below as well as the only pic I could find of the final stage units location
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Tuesday, September 4th, 2007 AT 11:37 PM
Tiny
GRNDNO2000
  • MEMBER
  • 1 POST
Dr Hagerty.I have a similar problem with my 2000 528i. Where is the final stage that controls the fan in this vehicle and how do I get to it?

Thanks in advance.

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Thursday, September 20th, 2007 AT 12:48 PM
Tiny
DOCHAGERTY
  • MECHANIC
  • 9,601 POSTS
It is below and behind the glovebox.
First remove the plastic cover just above the passenger foot well area by pulling it out(it pops out, no tools required) then remove the screw that holds the carpet in place and the carpet pulls out to the rear.
The final stage is behind a piece of open cell foam(if the foam is still there) remove the torx screws and install the final stage. You kind of have to "stand on your head" to see the final stage. If you have already purchased a replacement you will be able to visualize its installation.
Its pretty straight forward, give yourself half an hour.
BMW warranty time says about 15 minutes.
Good luck and repost if needed!
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Thursday, September 20th, 2007 AT 7:07 PM
Tiny
IANRADCLIFFE
  • MEMBER
  • 3 POSTS
  • 2001 BMW X5
  • 94,000 MILES
While the heater was operating, The digital display began flickering then went blank. The heater now remains on even when the key is off and out. I replaced the final stage module, but the motor continues to run as soon as I reinstall the fuse (with the key out). The digital display still is blank. Any other ideas besides replacing the final stage?
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Sunday, January 6th, 2019 AT 6:17 AM (Merged)
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Have the final stage unit checked out-
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Sunday, January 6th, 2019 AT 6:17 AM (Merged)
Tiny
RIVERMIKERAT
  • MECHANIC
  • 6,110 POSTS
Ianradcliffe, did you get this figured out? If not, do any of the other accessories work without the key?
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Sunday, January 6th, 2019 AT 6:17 AM (Merged)
Tiny
IANRADCLIFFE
  • MEMBER
  • 3 POSTS
Yes. Fixed. The final stage was fine all along. The problem was the climate control computer. Bought a used one on eBay for $150. Works like a charm.
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Sunday, January 6th, 2019 AT 6:17 AM (Merged)
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Thanks for coming back with the fix-
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Sunday, January 6th, 2019 AT 6:17 AM (Merged)
Tiny
HEATERX5
  • MEMBER
  • 1 POST
  • 2003 BMW X5
  • V8
  • AWD
  • AUTOMATIC
  • 126,000 MILES
We just bought a 2003 BMW X5 and when we got it home we realized the heater fan was not working. We called the previous owner and of course he said it worked before. The fan speed indicator does work but the fan does not. When we open the rear vents and turn the dial to red (heat) we can hear and feel the fan. This does not happen to the front vents when we turn the front dial to red. We have tried the auot settings and the manual settings. Is there anything we missed?
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Sunday, January 6th, 2019 AT 6:17 AM (Merged)
Tiny
DOCHAGERTY
  • MECHANIC
  • 9,601 POSTS
The final stage that controls the fan may be caput.
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Sunday, January 6th, 2019 AT 6:17 AM (Merged)
Tiny
CAPTAINHOOK
  • MEMBER
  • 4 POSTS
  • 2002 BMW X5
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 107,000 MILES
Dear Sir

Sudenly my Aircondition fan stop working althought
that the rear fan is working fine and the aircondition as well, eveything on the pannel is working only the fan is not.

My remote key is not working also, I want to know how to reprogram it.

Thank you
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Sunday, January 6th, 2019 AT 6:17 AM (Merged)
Tiny
DOCHAGERTY
  • MECHANIC
  • 9,601 POSTS
Please replace the final stage.
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Sunday, January 6th, 2019 AT 6:17 AM (Merged)
Tiny
CAPTAINHOOK
  • MEMBER
  • 4 POSTS
I didn't really understand what you mean!
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Sunday, January 6th, 2019 AT 6:17 AM (Merged)
Tiny
DOCHAGERTY
  • MECHANIC
  • 9,601 POSTS
Go to Realoem. Com and look for part number 64-11-6-923-204. This is the potted semi-conductor device that controls the fan and it will require replacement. It is called a final stage.
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Sunday, January 6th, 2019 AT 6:17 AM (Merged)
Tiny
CAPTAINHOOK
  • MEMBER
  • 4 POSTS
Thank you my friend for all the help

If it's not so much trouble can you teach me how to program my ignition key, because suddenly it stop working (door open & close)

regards
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Sunday, January 6th, 2019 AT 6:17 AM (Merged)
Tiny
DOCHAGERTY
  • MECHANIC
  • 9,601 POSTS
The key(s) will require reinitialization. Go to the car, open the drivers door and get in. Shut the door. Put the key in the ignition and turn it on, then take it out and then hold the unlock button and while holding the unlock button push the lock button 3 times, then release both buttons. Then what should happen is that all the doors will lock and then unlock. If there is another key(s) then do the same process of holding the unlock button and pressing the lock button 3x. Do not open the doors or insert the 2nd key in the ignition for the procedure, just press the buttons on the subsequent keys (up to 4 keys) When you open the door or start the car, the initialization session is then over. The dealer charges for this operation, can we count on you for a reasonable donation today?
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Sunday, January 6th, 2019 AT 6:17 AM (Merged)
Tiny
CAPTAINHOOK
  • MEMBER
  • 4 POSTS
I really thank you for your help
it wirked

I will donnat for you but I don't know how because I don't have a credit card if there's another way please let me know

regards
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Sunday, January 6th, 2019 AT 6:17 AM (Merged)
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Send your donation here:

2Carpros. Com, Inc.
4420 E. Miraloma Ave. Suite L
Anaheim, CA 92807
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Sunday, January 6th, 2019 AT 6:17 AM (Merged)
Tiny
TMM1952
  • MEMBER
  • 1 POST
  • 2003 BMW X5
  • V8
  • AWD
  • AUTOMATIC
  • 61,885 MILES
When I put the heater on the defrost mode the fan speed does not go to high. Is it the blower motor reisistor?
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Sunday, January 6th, 2019 AT 6:17 AM (Merged)
Tiny
DOCHAGERTY
  • MECHANIC
  • 9,601 POSTS
Could you tell me if the fan speed changes when you go to defrost or when you change any other setting? I'm asking because the speed control does not usually fail in this manner. The device that controls the fan speed is called the final stage and it is possible that it has been compromised and I do not wish to give poor advice. Thanks for using 2carpros!
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Sunday, January 6th, 2019 AT 6:17 AM (Merged)

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