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  #61  
Old 11-28-2018, 07:13 PM
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Location: MPLS
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BoostedX5M is an unknown quantity at this point
AWD and DSC malfunction, Engine malfunction, DBC malfunction

Quote:
Originally Posted by m5james View Post
I'm not seeing a PDF but between your pics and link, I'm just gonna pull it when I get home. On a side note, how'd you find this...I've Googled so much god damn stuff lately and haven't seen this site. I wish we had access to BMW's "info only" data collection since I'm sure they get a ton of stuff before they decide what fuckups they're gonna own up to.
I canít find that PDF either, and I searched for days...

Ha. I think the Service Bulletins are on www.newtis.info but they are impossible to find. I donít know if its fixed anything because I havenít been driving it lately enough to trip that dumb 5DEA code. I think after reading a few more things... Iím strongly considering replacing the actuator on the transfer case. Have you tried simply unplugging the plug to the transfer case actuator? To see if anything changes! (Note: If you do you will get a abs light and lose abs-from what I have read, but it wonít hurt anything, it just canít engage xdrive) Thatís how many trouble shoot the transfer case. That have issues like yours. Look in X3 and X5 forums. X3s seem to have major issues like weíre having with transfer cases. From what Iíve read. Itís the following typically:
Speed sensor(or wiring)
Plastic gears in actuator
Actuator
Actuator resistor(Which needs to be coded if replaced-but this seems very rare)
The steering chock(in steering column)-Which also needs adaptations

Best way to test is if thereís a way to read values while driving. Like software people use with a laptop to read...
I.e. Speed sensors, actuate the actuator, etc...

Oh, I also plan to test the power and ground wires at the VTG(Transfer Case module) and actuator to make sure there isnít any voltage drop, as Iíve read both are super sensitive to voltage drops... Might just clean up the connections and hound to be safe too...


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Last edited by BoostedX5M; 11-28-2018 at 07:24 PM.
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  #62  
Old 01-06-2019, 10:15 AM
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I had the same exact issue and it ended up being a missing Transfer Case module(By the Battery) and The previous owner had the windshield replaced, so for some reason, the ECU had been replaced but never reprogrammed to the truck.

Now I have a loud fan, but i beleive the issue is with my thermostat.
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  #63  
Old 02-24-2019, 10:33 PM
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BoostedX5M is an unknown quantity at this point
Quote:
Originally Posted by GStatsE70 View Post
I had the same exact issue and it ended up being a missing Transfer Case module(By the Battery) and The previous owner had the windshield replaced, so for some reason, the ECU had been replaced but never reprogrammed to the truck.

Now I have a loud fan, but i beleive the issue is with my thermostat.


The transfer-case module was was missing or was never programmed? Iím not sure I understand.

Ohh, the front windshield was replaced and the ecu got wet(?) and the transfer case wasnít programmed in properly(?), so it was missing in the ecu programming(?)


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  #64  
Old 02-25-2019, 02:18 AM
ard ard is offline
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Yet, very confusing....






On the fan running... thermostat? or water pump?



Do your research.... 99 times out of 100 it will be the pump.



Actually, maybe 100
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