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Old 06-01-2011, 03:55 PM
Mikeo's Avatar
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Location: Texas
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Old 01-18-2012, 02:33 PM
Join Date: Sep 2008
Location: tucson
Posts: 39
yenanx5 is on a distinguished road
Hi Weasel,
could you help me solve problem?
I don't know my climate control panel failure or Final stage unit?
- check all fuse are OK.
- climate control panel is NO lite on and can't control any button.
- the blower is blowing WITHOUT the key in the ignition.
- remove the FSU out the blower stop. Put FSU in the blower is on even without key. " Weird"

My question is: Does the FSU supply the power to the climate control? and how do I know if the FSU fail?
Please help

Originally Posted by Weasel View Post
I think I'm gonna try this if this problem comes up in the shop this summer... I'm sure any customer would be pleasantly surprised with that info.

I've had to narrow the fuse blowing amperage down to the climate control module before, but have no way to know the exact circuit that is causing the internal failure.
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Old 01-18-2012, 05:07 PM
Join Date: Jan 2012
Location: J'village
Posts: 69
Koody is on a distinguished road
The faulty FSU can do weird things and yes it can cause the blower to operate when key is out the ignition and cause battery-drain.
I dont know why....

I took the climate-control unit out of the dash today and opened it carefully. It was clogged with dust so i cleaned the fan and around the resistor carefully with a very small paint brush.
I've put the unit back into the dash and no problems so far....
'01 E53 4.4i exe sport >155K-miles [daily driver]
'00 E46 323i sport >90K-miles [sold]
'01 LR freelander 2.5 V6 >90K-miles [sold]
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Old 09-15-2017, 12:51 AM
Join Date: Nov 2005
Location: Palm Coast, FL
Posts: 433
Bmwtvboy is on a distinguished road
I am having the same problem, fuse 48 blows as soon as I turn the car on. I'll try the blow out. BUT, I also know my A/C clutch is wearing out I believe there is a relationship to this issue as well. BTW, how do you know for certain it's the climate control module? They're not cheap to replace and I am told they must be matched part numbers and pre-programmed or you will have to pay for it to be programmed. Good luck all.
X5 3.0 AUTO -2001 - 238,000 miles
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Old 12-03-2017, 02:54 AM
Join Date: Jul 2010
Location: Yorba Linda, CA
Posts: 12
aspenpup is on a distinguished road
Today, I experienced the same problem on my 2005 X5. The fan would not turn off, even with the key removed from the car. All lights not lit or functioning on control panel. Hot air coming out of the vents.

I disconnected all 4 cable bundles and then reconnected them and the control panel worked ok. After all of these years, there must have been a poor connection.

If your control panel still does not work, there are a couple of videos on YouTube on how to repair a capacitor on the controller board. To get a used unit, the cost on eBay is $200-$300. Some report brand new one is over $900 so if you are good at soldering electronic components then you can save some money by doing your own repair.
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Old 09-26-2019, 06:52 PM
Join Date: Jan 2009
Location: SF Bay Area
Posts: 1
tcsekhar1 is on a distinguished road
Replaced the FSR, didnt solve the problem. Bought a used Climate control unit from EBAY. But unable to disconnect all the wiring. Need your help.
Two of the connectors have a slider, I was able to unlock that.
One thin one has to be forced out. Did that.
The Fourth connector (at one end, slightly slanted), does not budge.
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Old 09-27-2019, 04:03 AM
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Join Date: Sep 2015
Location: South Island, New Zealand
Posts: 3,358
wpoll will become famous soon enough
Does this help...?

IHKA panel: Working at the right side of the panel, disconnect the two electrical connectors (green arrows) by pressing the release tab and swinging the locks open 90 degrees. Then remove the final connector by squeezing the release tabs (red arrows) and pulling it off.

From Pelican Parts....

2005 BMW X5 3.0d (b 02/05)
2001 BMW F650GS Dakar (b 06/01)
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Old 10-09-2019, 12:05 PM
Join Date: Nov 2005
Location: Palm Coast, FL
Posts: 433
Bmwtvboy is on a distinguished road
I believe the modules are very vehicle specific. Had the similar problem and it is the CCM. These do fail. I did all the reccomended fixes, it doesn't blow fuse until you attempt to change the temp. Blower fan button doesn't work, have to engage MAX button and then lower the fan. Oh well, it's 01. with 250K miles.
X5 3.0 AUTO -2001 - 238,000 miles
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