Battery Duracell or OEM BMW

I still have the original BMW battery on my 2005 e46 325i , I used a battery tester on it and still say it’s good

Everyone likes to shit on BMW for being too complicated when it comes to having to register batteries with the car, but this is the result. Batteries in other cars die way more quickly.

I just changed my 2018 F36’s battery a few months ago. They really do last a long time.

2016 328i. Original battery still alive and kicking!

The battery on my previous F20 lasted over 12 years before I replaced it last winter. Had enough voltage but bad resistance readings, mechanic advised me to change it for the winter.

I’m just over 10-years on my ‘15 M235i.

I got 12 years out of the original battery on my E90.

I had 8 years on original battery on 2017 750i. I replaced it. It was barely holding 12V. Few functions were not working like stop/start and such.

Dealer measured my 2021 m340xi battery at 700cca last week under load test (vs 850 cca capacity) and said battery needed to be replaced. Terminal was stamped 26th week of 2020.

I'm not putting a Duracell in my car, they can't even make a double A that doesn't leak within the year.