Battery Energizer or OEM BMW
My 2021 45e usually gets 30-34 in mild southern US weather per charge.
I drive a 2016 f15 x5 40e. After 7 years i still do the same distance full electric, maybe 2-3km less but can be my driving style
I have been driving a 2022 330e since March 2022 and haven’t seen any battery degradation to date. In the NY winter I still get at least 20 miles on a full charge, in the summer 23-30.
I set off to test the X5 battery to see if degradation was better or worse than my iPhone's 10% degradation over one year. We've driven 29,996 miles, 15,296.5 electric. My best all-electric range achieved was about 41 miles when new. After one year, I achieved exactly 41 all-electric miles from a full charge in ideal conditions. Zero percent degradation as measured by this test. It appears temperature and AC/heat use have much greater impacts on range than actual battery health at this stage. Results look better than expected for long term ownership and residual value.
It has been in there since 2016 and still works fine.
I've noticed the 20xx Energizer series seem to be made in Japan. Refreshing since they don't stink like the Ikea MIC ones.
I just ordered the energizer lithium fob battery, will see if it lasts longer than the regular energizer which in my case was 3 years
I didn't get long lasting power from "any brand name". Switching to Energizer or Panasonic did much better, like 2 years.
Mine went at 32K...just crapped out on me one morning. Luckily I work part-time at a Tire/Battery Garage. Put in an Energizer group size 47 (as stated above)
Name brand but avoid ebay. I bought some energizers and panasonics from more than one (supposedly reputable) ebay seller a while back that didn't last more than a month or so.
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