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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > AUDIO/VIDEO + BLUETOOTH + Electronics/Alarm/Software > Intelligent battery sensor plug?



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      09-24-2018, 01:56 PM   #1
suetay.e
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Intelligent battery sensor plug?

Where does this plug into? I found it unplugged and i think it has something to do with a Intelligent battery sensor error my car has always shown. It on a 2006 e91

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      09-24-2018, 02:51 PM   #2
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Quote:
Originally Posted by seame91 View Post
Where does this plug into? I found it unplugged and i think it has something to do with a Intelligent battery sensor error my car has always shown. It on a 2006 e91

Thanks
You should have a blue connector. I think the one you show is black? the blue plug should be plugged into that 3rd plug area to the right of that red wire with that blue mark. So three slots to the right. Does that wires your holding connect on the negitive side battery terminal?
you can also google search it and it will show pictures.

here is a link:
https://www.google.com/search?q=bmw+...TSJIcxLPwIiXM:
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      09-24-2018, 02:56 PM   #3
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There is one wire/connector that is used to put the car in deep
sleep mode for shipping that will always remains unplugged for
normal use.

electical e90 pdf
http://www.google.com/url?sa=t&rct=j...,d.cGU&cad=rja
http://www.google.com/url?sa=t&rct=j...85464276,d.cGU
http://www.google.com/url?sa=t&rct=j...85464276,d.cGU

IBS has two plugs coming off it generally they are blue.
One goes into the Battery distribution block for power the other goes up into the main wire bundle along the Fender/(wheel well ) also a small
blue plug.

Last edited by ctuna; 09-24-2018 at 03:33 PM..
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      09-24-2018, 03:39 PM   #4
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Used to trickle charge the battery during delivery; at least that is what I got out of watching you tubes on battery replacement.
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      09-24-2018, 03:40 PM   #5
ctuna
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https://www.e90post.com/forums/showt...ight=connector

https://www.e90post.com/forums/showt...ight=connector
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      09-24-2018, 04:42 PM   #6
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Thanks guys. Appears the general consensus is that it suppose to be unplugged and that the cable was for shipping purposes. I will just leave it then.
Not sure what the error I am getting is for then.
Engine / Motor:
- Fault: Intelligent battery sensor, communication
- Code: 002E8E
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      09-24-2018, 05:02 PM   #7
ctuna
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i would check to see the the BSD line is plugged in
which is the small blue plug and that the power cable for the
IBS which is the larger blue plug is plugged into the battery
distribution block in one of the slots that is populated with
a 12 volt plug.

You can see the BSD line in the first picture(small blue connector wrapped with large cable bundle) the power cable
for the IBS that goes to one of the slots on the battery distribution block is obscured by the battery hold down clamp.(first link last response)
Not all slots have and active 12 volt blade if they didn't get it
back to the same one it could have no power.
When my battery was changed the BSD line got unplugged which is why they were wondering why they couldn't register the battery.

Last edited by ctuna; 09-24-2018 at 05:12 PM..
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      09-24-2018, 06:17 PM   #8
suetay.e
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Thanks ctuna for the links and info. Very helpful!

I checked the small and and larger blue plugs. The both appear to be plugged into the correct spots. I also was able to register my new battery with no issue.
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      09-24-2018, 06:33 PM   #9
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Did you clear the error and rescan?
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      09-24-2018, 10:13 PM   #10
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It's an extra. I think I have it too and seen it on others.
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