Well got my battery replaced with a nice new one... no more high battery discharge errors. I bought it from Advanced Auto for $150 after core and a coupon. Brought the x5 in to the dealership and they installed and registered it right there for free, that was cool... he also turned off my check engine light. I'm sure it will be back. It shows as a p0174, but the mechanic reminded me in their reader, there is no P.
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