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May be just use the digital key card to unlock the vehicle? It has very short range and it won't trigger automatic lock and unlock process. I have both turned off.
Another distinction we should keep in mind that battery tender and chargers are bit different. At 4 amp I would call these tender or maintainer. Modern charger could automatically push more current and slow itself down (variable rate).
I am hearing charging amp rate should be set at approximately 10% of the battery capacity. In our case that would be around 10 amp. Ideally the charger should slowdown the charging amp automatically when the battery is 80% charged.
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2021 X5, Excellence, M Sport, DHP, DAP, RSE, MW, Merino.
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