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      06-15-2022, 04:28 PM   #4
2022M550i
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Drives: 2022 M550i, 2015 Viper
Join Date: Feb 2022
Location: CT

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Herk - My battery never completely drained because I always lock it. I wasn't locking it when I was charging it and that's when I noticed something was running. There are days where the car won't move and some weeks I don't drive it much. There's always a reason why I'd rather take the Lexus because of a bad parking situation...which seems to be everywhere. I'll do an overnight trickle charge at least once a week.

Jcal - I've heard that too about hardwiring to the battery in the trunk. There are two batteries in my car. The manual suggests using the posts in the engine bay to charge the batteries. The front charge seems to be working, but now I'll test the battery in the trunk.
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