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      01-08-2022, 02:45 PM   #41
TurtleBoy
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Drives: 2019 X5 40i,2021 M340i
Join Date: Jan 2019
Location: Colorado

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Quote:
Originally Posted by cszekl View Post
I have read that warning in the manual also. That’s why I asked the dealership advisor. The positive and negative Terminals under the hood are the same terminals that are on the battery in the trunk under the carpet. So, the
Terminals under the hood are an extension to the battery in the trunk do to design location. No issues can happen to the 12 volt system when using a Quality battery Tender and pigtail off of the battery.
I made sure my dealership approved of my set up. I think maybe we over thinking things here.
You obviously can do what you want, just wanted to make sure others are aware of the proper procedure. Your dealer is the first I heard of saying connecting directly to the battery was okay.
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2021 BMW G20 M340i xDrive - Verde Ermes/Black - 03/2024.40
2019 BMW G05 X5 xDrive40i - Phytonic Blue/Cognac - 11/2023.50
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