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BMW 3-Series (E90 E92) Forum
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Battery wire lose...?
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10-29-2009, 11:31 PM | #1 |
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Battery wire lose...?
Hi Folks,
I just got my E90 Battery exchanged at a local dealer, but he may have forgotten to attach a wire... Do you know where I need to connect this one? Thanks, Reflex |
10-30-2009, 08:43 AM | #2 |
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I don't know what that would be connected to. Do you see the other end of it anywhere? Is the car running ok?
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10-31-2009, 01:02 PM | #3 |
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Car run's great, no issues.... but I dont' have another 330i that I can compare to. The small wire is coming out of the bigger red (thick) wire that connects to the + pool on the battery.
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10-31-2009, 02:31 PM | #4 |
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On my 335 there is a wire that does not get connected. I changed mine out for a lightweight battery and found the "extra" wire when I was hooking up the new battery. Not sure what it is for. I have seen it mentioned in older posts. Could be for some option that we don't have. Not sure. I don't have the factory alarm, not sure if that mught be one possible reeason.
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10-31-2009, 04:48 PM | #5 |
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That is most likely the connector for the battery master switch, used during transport and removed before delivery. If you come across threads where people spotted a mystery wire sticking out from beneath the rear seat, they've found the other end of it.
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