The OEM battery is AGM. If it was an OEM battery it wouldn't be lead acid, at least here in the US. Not sure what you're talking about. I installed mine three years ago and have had no issues despite winters that range from below 0 to summers that reach 100. Fahrenheit obviously.
I put the Yuasa in a few years ago and it’s never had an issue cranking since. HD OEM batteries are trash. Don’t replace it with another one.
I replaced mine at age of 5 and half year, just to be sure - I am leaving the car at airport for 5 days regularly and I did not want to have another trouble solving in my life.
Price was 54 Euro. I have used Yuasa 5000 battery.
Old battery was sitting in garage and has swollen within week and lost voltage.
OEM batteries are made from fairy dust. I still have my original one in my E92, made in 2007. Def recommend getting an OEM battery.
I've got the Yuasa battery since 6 months and it's working flawlessly ????
I've got about 7 yrs on a yuasa wet battery for 79 flh. I've always had great luck with both harley and yuasa batteries.
BMW here. No issues.
Energizer or Yuasa are good quality from my experience. I’ve had an energizer for 5 years now still running and my last yuasa ran great till I drained it to zero doing stupid.
I also just had a new battery installed by BMW, $600 for the honor.
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.
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