G20 BMW 3-Series Forum - View Single Post - Battery tender/charger for 2021 M340i with 48 volt system

covinsky · 12-16-2020, 12:43 PM

Still following this. Battery Tender went into shut down mode because battery was not fully charged in 24 hours. Who will be the first to figure out this mystery? Tried Battery tender while the BMW was unlocked and also while locked. No luck so far.

12-16-2020, 12:43 PM	#16
covinsky Enlisted Member 17 Rep 44 Posts Drives: 2006 330xi sport Join Date: Apr 2011 Location: glen carbon, il iTrader: (0)	Still following this. Battery Tender went into shut down mode because battery was not fully charged in 24 hours. Who will be the first to figure out this mystery? Tried Battery tender while the BMW was unlocked and also while locked. No luck so far.
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