What EV Charger Do You Need for a 2026 BMW i7 M70 Sedan?
You need a 48 amp Level 2 home charger to fill the 121.0 kWh battery in this 2026 BMW i7 M70 Sedan overnight. The car handles up to 11.0 kW on alternating current. Onboard hardware limits your charging speed. Feed it more power and the car ignores the excess.
The numbers
| Maximum AC charging rate | 11.0 kW (48 A) |
|---|---|
| Charger size to buy | 48 A |
| Circuit breaker required | 60 A |
| Outlet / connection | hardwired (a 48 A EVSE must be hardwired -- no household receptacle is rated for it) |
| Charge port | J1772 |
| Full charge on Level 2 | about 11.0 hours |
| Range added per hour (Level 2) | about 26 miles |
| Full charge on a 120 V outlet | about 84 hours |
| Range added per hour (120 V) | about 3.4 miles |
| EPA rated range | 285 miles |
| Energy for a full charge | about 121.0 kWh at the wall |
Why 48 amps and not more
Charging at 48 amps puts 26 miles of range into your battery every single hour. A full recharge takes 11.0 hours from empty. The EPA test logs 28 miles per hour because test cycles vary from real world charging limits. Buying a larger 80 amp charger wastes money because this onboard charger cannot draw past 48 amps. Smaller units will only increase your total waiting time.
What the install involves
A 48 amp continuous load requires a dedicated 60 amp breaker paired with heavy copper wiring. Hardwiring is mandatory because household outlets melt under this kind of continuous draw. Hire an electrician to inspect your panel capacity before buying hardware. Local building codes dictate conduit thickness and permit rules.
Chargers that match this car
Energy monitoring built in. Hardwire it for the full 48 A.
Compact unit, good for tight garages.
Adjustable from 16 A to 50 A in the app, which helps if your panel is tight.
Worth having as well
Common questions
- Can I plug this car into a regular wall outlet?
- Level 1 charging on a standard household outlet delivers 3.4 miles of range per hour. A full tank takes 84 hours this way. You need Level 2 equipment for daily driving.
- What plug does the car use?
- The charge port is a J1772 connection. This model year sits in the transition to NACS ports, so verify your physical port before ordering cables.
- Will a 50 amp charger run at full speed?
- Units like the ChargePoint Home Flex max out above your car's limit, but you can configure them down to 48 amps. The car dictates the draw, not the supply.
- Do I need a permit for the installation?
- Most municipalities require an electrical permit for a 60 amp circuit. Check with your local city hall.
Other vehicles
Charging times derived from EPA data for the 2026 BMW i7 M70 Sedan (covering 2 EPA trim listings). Electrical requirements follow NEC 625.41, which sizes a circuit at 125% of a continuous load. Always have a licensed electrician verify your panel.