HV Battery Health & RangeQuestionCommunity Starter

2024 BMW i4 — how are owners measuring real battery degradation?

HybridMechanicish897Community StarterMay 28, 20262024 BMW i4 eDrive40Atlanta
2024 BMW i4 eDrive40, about 39,000 miles. Displayed range moves too much with weather and recent driving to be a useful health metric by itself. What repeatable measurements do you trust for tracking battery degradation over time?
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CanyonSeller690Community StarterCommunity StarterMay 28, 2026permalink
Low-voltage gremlins will strand you even with a full pack. Try a second charger before blaming the 2024 BMW i4 — site sharing and pack temp change the curve a lot. That's where I'd start. This is from a 2024 BMW i4 in Atlanta with 39,000 miles. Stop there until you know. Worth doing even if the car feels fine right now. Not driving it hard until I know more.
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