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      09-26-2022, 01:23 PM   #5
fbuzila
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Drives: 2023 BMW XM
Join Date: Sep 2013
Location: Ponte Vedra, FL

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Quote:
Originally Posted by tommyb13662 View Post
Update:

Now that the first tech determined that the 12v battery ISN'T the fault... There is a new tech in charge. He is their electrical "Specialist". He says according to the voltagesp/readings on their system all the cells currently look like they need replacement. He thinks there was an issue that may have fried all the control modules and overcharged the cells. Half were overcharged into the "dead" zone that they are supposed to never charge past. Other half are drained into the dead zone they are never supposed to be discharged past.
They still want me to buy a 12v battery... supposed dead cell...
Make sure they order all the parts they need to replace the batteries; in my case they forgot some connectors and lost another 3 weeks…
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