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Our BMW is 100% dinosaur-burning. Just a normal 12V starter battery. Still needs OBD programming to change, even if the type/capacity remains the same.

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It seems that it tells the charge controller to reset the battery history?

I would want to see a bit of data before concluding that it is useless to do that.

I think for AGM batteries, it uses different charging curves depending on the age/health of the battery.

Yes. Apparently ramps charge rates based on battery age. Which is fine and good, but shouldn’t require BMW software to do.

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