BMW i7 charging time on a 22 kW AC public charger
Effective charging power: 11 kW (AC).
≈ 9 h 16 min
That is an estimate for a 0–100% charge of the BMW i7’s 102 kWh usable battery on a 22 kW AC public charger.
⚡ The BMW i7 has an 11 kW onboard AC charger, so on this 22 kW AC supply it charges at 11 kW — the onboard charger is the limit, not the wallbox.
BMW i7 on 22 kW AC — charge times
| Charge | Time |
|---|---|
| 0–100% (full) | 9 h 16 min |
| 20–80% (daily) | 5 h 34 min |
| 10–80% (road trip) | 6 h 29 min |
| Add 100 miles of range | 2 h 55 min |
AC charging is roughly linear, so the full 0–100% time is a reliable overnight estimate.
Shop 22 kW AC chargers & cables on Amazon →
Same car, other chargers
| Charger | Effective | 0–100% |
|---|---|---|
| 2.3 kW plug | 2.3 kW | 44 h 21 min |
| 7 kW wallbox | 7.4 kW | 13 h 47 min |
| 11 kW wallbox | 11 kW | 9 h 16 min |
| 50 kW DC | 50 kW | 1 h 26 min |
| 150 kW DC | 150 kW | 29 min |
| 350 kW DC | 195 kW | 22 min |
FAQ
- How long does it take to charge a BMW i7 on a 22 kW AC public charger?
- Roughly 9 h 16 min for a 0–100% charge, at an effective 11 kW. A full 0–100% takes about 9 h 16 min.
- Can the BMW i7 use the full 22 kW?
- The BMW i7 has an 11 kW onboard AC charger, so on this 22 kW AC supply it charges at 11 kW — the onboard charger is the limit, not the wallbox.
- What is the fastest way to charge the BMW i7?
- Its peak DC rate is 195 kW and its onboard AC charger is 11 kW. A 150 kW or faster DC charger gives the quickest top-up; home AC is best done overnight.