As part of this I'm curious how many years factory batteries are lasting before needing replacement. I suppose there are a lot of variables, hotter climates, how long it sat on the lot etc.
Usually at 5 years I start to worry, for me that means next year, but I have not seen any issues yet, but have only had the car a couple months.
-Steve
2015 X1 XDrive MSport //BMS Intake
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