Quote:
Originally Posted by acarr6
Swapped the battery, started up right away. Interestingly - the old one was from a 2 series. 850CCA vs our 900.
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The current dealer replacement is a slightly smaller CCA than the original battery. If I remember correctly, factory was 900cca, current dealer replacement is 850cca. New battery is physically the same size. Original one is NLA as far as I am aware. Lines up with your stated CCA numbers.
I'm guessing your new battery isn't OEM? The previous battery might have been a dealer 850cca, which isn't wrong.
Lastly, you keeping the car on a trickle charger is likely masking the electrical gremlins that come with a failing battery. Unexpected upside.