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I know it’s about a 12V battery. You are still telling the BMS it’s a new battery. It optimizes charging to maximize battery health. You may think it’s a waste but it made my battery last 12 years in MN winters before needing replacement.

You will almost certainly need some sort of software, especially for a battery, motor, or inverter. BMW (and most modern cars) have a BMS to optimize charging to maximize battery longevity. If you place a new battery in the car without registering it, it will still function, but it will charge...