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Old 01-13-2013, 09:31 AM
emh emh is offline
Registered User
Location: CA
Join Date: Jan 2013
Posts: 3
Mein Auto: 328i
Thanks everyone. Sounds like I'll just take it to the dealer and get the battery replaced.

As an engineer, this seems like bad system design to me. I don't see why the battery management system can't detect a sudden change in battery characteristics (as would be evident in a battery swap) and put itself into a learning mode that figures out what would be optimal for the new battery (instead of retaining what it "knew" about the old battery). Oh well... it is what it is I guess.
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