Only until recently did I come to learn how much I don't know about today's type batteries. And there charging. So much has changed and to the favor of the consumer.
But please what ever you do...install the proper fit for the car!
Just made a run to the bone yard recently...there was a x3 07 there where the trunk was
burnt out only due to a small battery from Walmart.

(Walmart batteries are some of the best on the market)

I Couldn't make out the amps due to the char. But it was small say maybe H6?
Apply the proper fit/size.
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