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BMW 3-Series (E90 E92) Forum
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need new battery, help please
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11-30-2012, 01:33 PM | #24 | |
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I am picking up the car this afternoon, and what I thought was going to be 300-330 is now close to $400... O well, they found another item wrong with my car covered under CPO which sort of makes up for it, enough though I still have to pay a $50 deductable. My signs were, my car is an 08 and had the originally battery! haha, but no, 2 or 3 times over the last 3 months i would get the "battery symbol" on my dash when I put the key in or after i turned the car off and the key was still inserted for a minute or two. But what really showed me was, over the last 2-3 weeks, my clock has stopped working - or should I say, kept resetting itself to "--:--" time. Sometimes I would start the car and the time would be kept from last time, other times id start the car and no time AND the trip OD would be reset. all signs pointed to a failing battery. BMW says some of the electronics will start "acting up" and shut themselves down to conserve power. Plus with the cold weather coming up (i am in PA) had to replace it - didnt want to go leave for work one morning and have the car not start.
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11-30-2012, 02:59 PM | #25 | |
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11-30-2012, 03:27 PM | #26 | ||
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11-30-2012, 03:40 PM | #27 |
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so i opened the trunk area to see what kind of battery to see what i have and when it was made, i couldnt find a date but i found this one wire that is unplugged? please look at the pics below.... what is this? and why is it unplugged
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11-30-2012, 03:47 PM | #28 |
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It is intellegent battery sensor. Look at page 8 of this doc http://www.e90post.com/forums/attach...6&d=1353545953
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11-30-2012, 03:56 PM | #29 | |
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11-30-2012, 04:45 PM | #31 | |
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11-30-2012, 05:25 PM | #32 |
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That connector is only for shipping
It puts the car into a deeper sleep mode so the battery is not drained as fast
. The IBS Cable comes from the negative terminal of the battery and is plugged into the distribution block on top of the battery. I think I can see the IBS Cable in black going under the black hold down piece that's going under it and originating at the negative terminal. http://www.google.com/url?sa=t&rct=j...QNFyu70IsyKRlg |
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11-30-2012, 05:56 PM | #33 | |
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but where do i plug it into? so if i plug it in, it will save my battery more?
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11-30-2012, 08:24 PM | #35 | |
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11-30-2012, 08:43 PM | #36 |
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There is one connector that is only for BMW shipping
There is one connector that is only for BMW shipping
It is only used by BMW it has no use for you . People ask that question over and over again. |
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12-01-2012, 09:38 AM | #37 |
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12-01-2012, 11:01 AM | #38 | |
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