vs
Battery OEM BMW or OEM KIA
I’ve had my iX for 2.5 years and have logged 122k miles. I haven’t noticed any degradation in battery capacity. Just the normal summer/winter fluctuations (live in Midwest).
Pros: no battery degradation
Vehicle:
BMW
Mileage: 196339 km
I had one with the battery that lasted just under 12 years.... Old original BMW batteries are built different! Especially if the car is driven regularly.
Pros: lasted 12 years, built different
Same with my 2008 BMW 535d. 900ah and still going strong
Pros: still going strong
Vehicle:
BMW
I had a battery in a 93 BMW last forever like that
Pros: lasted forever
Vehicle:
BMW
when we bought our 2024 Kia Sportage hybrid, the salesman was showing us around it and got around to popping the hood, I did not see a 12 volt battery.
Vehicle:
Kia Sportage
Regardless, while that’s sorta old for a battery, I have OEM BMW batteries going on 12 years with 89% charge capacity.
Pros: long lasting, high charge capacity
Cons: sorta old
Vehicle:
BMW
These were very very well made batteries. They also used to be insanely expensive. Now, BMW knows the game and offers a 2 year warranty, which is pretty low for batteries, but they are very competitively priced.
Pros: well made batteries
Cons: short warranty
Vehicle:
BMW
My 2021 45e usually gets 30-34 in mild southern US weather per charge.
Pros: good electric range
Vehicle:
BMW X5
Another is that the OEM Kia battery just sucks…they fail. The fix is to get a new battery that doesn’t suck. Kia will replace the dead one within warranty but you’ll get another dodgy OEM battery. Most people seem to trend towards buying a good AGM aftermarket battery for this.
Pros: good AGM aftermarket battery
Cons: dodgy OEM battery
Vehicle:
Kia
Well it's 30 months old and is still 6 months under the pro-rated warranty. Took it to a dealer, they replaced it and said it would be 226 dollars! I asked if they checked the warranty and the technician stepped away and came back 20 minutes later. "kia corporate declined the warranty on your battery".
Cons: warranty claim declined
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