Quick answer
The BMW iX1 charges from 10% to 80% in about 33 minutes on a DC fast charger (128 kW peak). A full charge at home on a 7 kW wallbox takes approximately 10 h 16 min.
Charging Times at Every Speed
These times are estimates based on the BMW iX1's 64.7 kWh useable battery. Real charging times vary with temperature, battery condition, and state of charge.
| Charger | Power | 0 to 100% | 10 to 80% | Range/hour |
|---|---|---|---|---|
| Home 7 kW | 7 kW AC | 10 h 16 min | - | 37 km/h |
| Public AC 11 kW | 11 kW AC | 6 h 32 min | - | 58 km/h |
| Public AC 22 kW | 11 kW AC* | 6 h 32 min | - | 58 km/h |
| DC Fast | up to 128 kW | ~1 h 13 min | 33 min | - |
* The BMW iX1's onboard charger is limited to 11 kW AC, so it cannot use the full power of a 22 kW charger.
Key Specs
- Useable battery
- 64.7 kWh
- Max DC power
- 128 kW
- Max AC power
- 11 kW (3-phase)
- Voltage architecture
- 400V
- Battery chemistry
- NMC811
- Preconditioning
- Yes
What Affects Charging Time?
The charging curve matters more than peak power. The BMW iX1 can accept up to 128 kW from a DC fast charger, but it only reaches that speed at lower states of charge. As the battery fills past 60-70%, the charging speed tapers off to protect battery health. That is why charging from 10% to 80% is much faster per percentage point than charging from 80% to 100%.
Temperature has a big effect. In cold weather, the battery's internal resistance increases and the car limits charging power to prevent damage. The BMW iX1 supports battery preconditioning, which warms the battery before you arrive at a fast charger. This can significantly reduce charging time in winter.
Battery chemistry plays a role. The BMW iX1 uses NMC811 cells, which typically offer fast peak charging speeds but benefit from keeping daily charge levels below 80%.
Tips for Faster Charging
- Precondition the battery before arriving at a DC fast charger. Set your navigation to the charger and the car will warm the battery automatically.
- Charge between 20% and 80% for the fastest DC speeds. The last 20% can take as long as the first 60%.
- Avoid charging above 80% on road trips. The time spent waiting for 80-100% is rarely worth the extra range.
- Cold weather slows charging. In winter, expect 10-30% longer charging times depending on conditions.
- For daily driving, charge to 80% to help preserve long-term battery health.
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