I would suggest doing the battery yourself. You can get the battery for under $200. Buy Bimmerlink and an Adapter for about $100 to do the registration and you will be set.
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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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