BMW boosts battery capacity of MY2017 i3 to 33 kWh with higher energy density Li-ion cells; up to 114 miles combined cycle range - Green Car Congress
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The "BIG ONE", 5.3kWh BMW i3-module battery trailer build - Battery Builds - esk8.news: DIY Electric Skateboard Forums
BMW boosts i3 and i3s batteries to 120Ah; 42.2 kWh pack almost doubles original range - Green Car Congress
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