What EV Charger Do You Need for a 2023 BMW i4 M50 Gran Coupe?
A full charge takes 8.7 hours on a Level 2 setup. That timeline finishes easily overnight while you sleep. The car accepts up to 48 amps of current. You will need a matching 48-amp supply to hit that peak speed.
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 8.7 hours |
| Range added per hour (Level 2) | about 31 miles |
| Full charge on a 120 V outlet | about 66 hours |
| Range added per hour (120 V) | about 4.1 miles |
| EPA rated range | 271 miles |
| Energy for a full charge | about 95.5 kWh at the wall |
Why 48 amps and not more
The onboard charger handles 11.0 kilowatts at 48 amps maximum. Buying a larger charging unit makes zero sense because the car cannot draw any faster. Power flows at 31 miles of range per hour under this setup. The EPA test logs a slower 10.0 hours for a full cycle because standard agency test benches do not always push peak AC limits. Stick to the 48-amp requirement.
What the install involves
This setup demands a dedicated 60-amp circuit breaker in your electrical panel. Hardwiring is mandatory here since no standard household receptacle handles 48 amps safely. Hire a licensed electrician to run the heavy gauge wiring from your panel to the garage wall. Local permits and inspections apply to high-draw electrical work.
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 normal wall outlet?
- Yes, but Level 1 charging takes 66 hours for a full battery. You get 4.1 miles of range per hour on standard household current.
- What plug type does the car use?
- The vehicle uses a J1772 connector for all Level 2 AC charging. Every non-Tesla EV sold in North America through 2024 uses this standard.
- Does the EPA charge time match real-world results?
- The EPA rated charge time takes 10.0 hours at 27 miles per hour. Official tests run under specific laboratory conditions that differ from maximum onboard rates.
- What are my equipment choices?
- You can install the Emporia Level 2 EV Charger 48A, the Lectron V-Box 48A, or the ChargePoint Home Flex. Each unit connects via a J1772 plug and requires hardwiring to deliver the full 48 amps.
Other vehicles
Charging times derived from EPA data for the 2023 BMW i4 M50 Gran Coupe (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.