The BMW i7 supports DC fast charging at up to 195 kW . Using a compatible high-power charger, a 10-80% charge takes approximately 34 minutes . AC charging at 11 kW takes about 10.5 hours for a full charge . The i7 also supports Plug & Charge functionality for seamless charging at compatible stations. For buyers considering the BMW 7 Series, that matters because it affects how easy the car is to live with, whether for commuting, family use, long-distance driving or ownership costs. The useful way to read this is not as an isolated specification, but as a clue to how the car will feel in real daily use.