Fully electric · 2018–2022
How much it costs to charge the BMW i3 120 Ah (42 kWh)
37.9 kWh battery. Charging from {desde} to {hasta}% puts 22.7 kWh into the battery: see what it costs at home, how long it takes and what you pay at a public charger.
Charging at home
Charging at home from {desde} to {hasta}%
On the residential tariff, the time makes no difference: the same price at any hour. With an EV meter, charge in its off-peak hours (0h00 to 6h00, also noon to 4pm and all day on Sunday).
| Residential tariff €0.1450/kWh, typical band for a home with an electric car | 3.63 € |
| EV meter, off-peak €0.1298/kWh, 0h00 to 6h00, noon to 4pm and Sundays | 3.25 € |
| EV meter, other hours €0.1450/kWh: added to the home’s consumption | 3.63 € |
| Residential tariff €0.1450/kWh (Enemalta’s only residential tariff) | 3.63 € |
With 10,000 km a year, always charging at home costs about €244 on the residential tariff and €218 with an EV meter: you save 26 € a year. The EV meter has its own monthly charge (€4 single-phase, €6 three-phase), and it also stops the car pushing the whole home into a dearer band.
Prices including 5% VAT, Enemalta residential bands and EV meter tariff, checked on 2026-10. Service charge not included. Includes 10% charging losses.
How long it takes to charge from {desde} to {hasta}%
| Charger | Time |
|---|---|
| 3-pin plug (10 A, 2.3 kW) | 10 h 53 min |
| 16 A commando socket or wallbox (3.7 kW) | 6 h 46 min |
| 7 kW home charger (32 A, 7.4 kW) | 3 h 23 min |
| Fast charger, from 10 to 80% (up to 49 kW) | 54 min |
Approximate times, losses included. On a fast charger, average power of 60% of the car’s maximum.
Public charging
At a public charger, the price depends on the operator. With an estimated price of €0.19/kWh on standard chargers and €0.20/kWh on fast chargers, charging from {desde} to {hasta}% costs about 4.32 € on a standard charger and 4.55 € on a fast charger.
Open the mapHow much 100 km costs
With the official consumption of 15.3 kWh/100 km.
Frequently asked questions
How much does it cost to charge the BMW i3 120 Ah (42 kWh) at home?
Charging from {desde} to {hasta}% (22.7 kWh into the battery) costs about 3.63 € on the residential tariff and 3.25 € with an EV meter, VAT and losses included.
When should I charge the BMW i3?
On the residential tariff, at any time: the price is the same. With an EV meter, in its off-peak hours: midnight to 6am, noon to 4pm and all day on Sunday, at a fixed 12.98c/kWh.
How long does it take to charge the BMW i3 at home?
From {desde} to {hasta}%, about 6 h 46 min on a 3.7 kW socket or wallbox and 3 h 23 min on a 7 kW home charger.
How long does it take on a fast charger?
From 10 to 80%, about 54 min on a charger that delivers the car’s maximum 49 kW. Allow about 4.55 € from {desde} to {hasta}% at a public charger.
Other BMW i3 versions
- 40 xDrive (Neue Klasse, berlina) 2026– · 82.8 kWh
- 50 xDrive (Neue Klasse, berlina) 2026– · 108.7 kWh
- 94 Ah (33 kWh) 2018–2018 · 27.2 kWh
- i3s 120 Ah (42 kWh) 2018–2022 · 37.9 kWh
- i3s 94 Ah (33 kWh) 2018–2018 · 27.2 kWh
Sources of the technical data: ev-database.org