Sticker on my battery
You have a 90Ah 900 crank battery, I had the same battery since September 2011 E92 M3 coupe and just replace it November 2018 with another AGM BMW 92Ah 900 crank battery $245.00.
I was looking at a AutoZone Duralast Platinum battery for about $189.00 but since the OEM last 7 years I decided to purchase another BMW battery
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