BMW has an electrical power requirement problem and telling the Customer they don't drive enough borders on ridiculous since it is damaging their Customer relationships.
As others have mentioned, if you have a good rapport with your Dealer they replace the battery at no charge. I was just able to replace my Mom's battery at no charge for her 2010 528xi with 9K miles when it failed for lack of driving.
Sadly, this will probably be Mom's first and last BMW since it has left her stranded 3 times in the last 6 months.
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