Why do BMW i3 batteries lose charging capacity over time?

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Erica Thompson 5 months ago

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Why do BMW i3 batteries lose charging capacity over time?

I've noticed that my BMW i3's battery capacity seems to be decreasing over time. Is this a natural part of owning an electric car? What can I do to prolong my battery's lifespan?

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**Tom Smith** · Answer 1 · 2025-01-17T05:25:13+00:00

According to BMW, the i3's battery is designed to retain approximately 70-80% of its original capacity after 8 years. This is a common characteristic of lithium-ion batteries and is expected to occur over time.