12-29-2021, 09:14 PM | #1 |
WaqiiDepp
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Battery management error
It's been two weeks and 800 miles since I got the car. And today after remote start I saw this message. Anyone know what this is about ?
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12-30-2021, 05:56 AM | #2 |
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https://g07.bimmerpost.com/forums/sh....php?t=1885555
You need to refer to this link where I had the same problem recently. My X7 is in with the dealership being checked out so will know later today?
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01-01-2022, 03:58 PM | #3 | |
WaqiiDepp
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01-02-2022, 10:37 AM | #5 |
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The below was the outcome from BMW to the battery management warning light issue.
Not convinced but they are the supposed experts What do you think as I don't want to disable the parking mode of the dashcam which has been hard wired? Carried out investigation into battery warning on dashboard. Connected battery charger and carried out battery test, requires charge. Charged battery overnight, tested, all ok. Carried out drain test, battery drain between 20-30 milliamps. Connected dashboard camera, stayed between 20-30 milliamps. Approximately 30-15 minutes, battery drain peaks at 300 milliamps. Repeated test, same result. Advised to unplug dashboard camera during nights to avoid battery drain. The car has done 5000 miles. Wakiidepp and Xnone I would be interested in your outcome from the dealership.
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01-02-2022, 10:48 AM | #7 | |
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Drives: '20 X7 M50i, '21 M340i
Join Date: May 2020
Location: Austin, TX
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I have a battery pack under the trunk (I don't have a spare wheel). I have two cameras and are connected to the 12v port in the trunk. When driving long or parking out, I have the camera connected to battery and battery connect to 12v so that battery charges during drive and supports the camera in parking mode. I know it doesn't help you situation ... but can be an option to avoid battery drain issues
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01-02-2022, 09:56 PM | #8 | |
WaqiiDepp
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01-15-2022, 06:49 AM | #9 |
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Any update waqiidepp on your prognosis?
My warning has started to appear less, not every morning when I start the car up. Still debating about purchasing a battery pack to back up the dash cam if that is the issue?
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01-15-2022, 12:58 PM | #10 |
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I haven't seen the message comeback. But still on my list to ask the dealer about it.
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01-22-2022, 07:20 PM | #12 |
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So I took the car in today and the dealer ran diagnostics. Apparently there were bunch of faults in the memory. The reprogrammed the car according to a bulletin. So let's see if it comes back. SA said if does it again it's probably a bad module.
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