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      12-16-2016, 04:19 PM   #16
MechE
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United_States
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Drives: 2011 1M
Join Date: Feb 2012
Location: Redmond, WA

iTrader: (1)

I believe registering the battery tells the car to reset the charging profile for a new battery. Also, the car records the mileage of each battery replacement

My research showed the Batteries Plus warranty at 48 months free replacement was substantially better than the NAPA warranty.