Thread: Battery tender/charger for 2021 M340i with 48 volt system
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      11-29-2020, 08:14 AM   #2
joselrl
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Drives: BMW G20 330e 2019
Join Date: Dec 2019
Location: Portugal

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The car still has a 12v battery for car eletronics, the 48v battery is for the mild-hybrid system and I don't think you have a way of charging it directly
Appreciate 2
EPTXM579.00
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