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      01-03-2021, 03:06 PM   #5
bangelov
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Drives: BMW G30 540i xDrive
Join Date: Oct 2019
Location: Bulgaria

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No need to put down the entire headliner, you can just remove plastic cover next to the stop light and then bend the headliner a little bit to see the TCB unit (just like in the video) and using screwdriver or any other similar tool you can unlock battery holder and replace the battery. According to the ISTA you need to remove the whole headliner but that's too much work so this is a workaround to replace the battery
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