Thread: Dead Battery
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      02-09-2020, 01:12 PM   #37
DGR TSR
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Drives: 2020 M2 Comp; 2015 M235i Coupe
Join Date: Jan 2015
Location: Sonoma Coast

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On a 2020 M2 Competition, if I use a Deltran slow charge battery tender, I use the connection posts under the hood. Does leaving the M2C hood up and open drain the battery in any way during the slow charging?

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