BMW i4 charging: cost, time and range
eDrive40 · 2022–2026 · 400V architecture
- Usable battery
- 80.7kWh
- Peak DC
- 205kW
- Onboard AC
- 11kW
- Real-world range
- 274 mi
- Plug
- CCS
Charging time, 10 → 80%
Modelled using the BMW i4's actual charging curve, not a flat headline rate.
| Charger | Time (10→80%) | Avg delivered |
|---|---|---|
| 7kW home | 8h 4m | 7.0kW |
| 22kW destination | 5h 8m | 11.0kW |
| 50kW rapid | 1h 8m | 50.0kW |
| 150kW ultra-rapid | 28m | 120.4kW |
| 250kW peak | 26m | 131.7kW |
| 350kW | 26m | 131.7kW |
Charging curve
Maximum power the i4 accepts at each state of charge. The curve drops sharply above 80%, which is why most rapid-charging sessions end there.
Cost to charge on every UK network
10 → 80% session (56.5kWh delivered), VAT included.
| Network | PAYG cost | Subscription cost | Cost/mile (PAYG) |
|---|---|---|---|
| Connected Kerb 50.0p PAYG | £28.25 | — | 14.8p/mile |
| Tesla Supercharger 58.0p PAYG | £32.76 | £25.98 (+ £8.99/mo) | 17.1p/mile |
| Char.gy 59.0p PAYG | £33.33 | — | 17.4p/mile |
| Pod Point 62.0p PAYG | £35.02 | — | 18.3p/mile |
| Source London 65.0p PAYG | £36.72 | £28.25 (+ £4.00/mo) | 19.2p/mile |
| Believ 66.0p PAYG | £37.28 | — | 19.5p/mile |
| MFG EV Power 77.0p PAYG | £43.50 | — | 22.7p/mile |
| Mer 78.0p PAYG | £44.06 | — | 23.0p/mile |
| Be.EV 79.0p PAYG | £44.63 | £27.68 (+ £4.99/mo) | 23.3p/mile |
| Evyve 79.0p PAYG | £44.63 | — | 23.3p/mile |
| Fastned 79.0p PAYG | £44.63 | £31.07 (+ £4.99/mo) | 23.3p/mile |
| GeniePoint 79.0p PAYG | £44.63 | — | 23.3p/mile |
| Shell Recharge 79.0p PAYG | £44.63 | — | 23.3p/mile |
| SWARCO eVolt 79.0p PAYG | £44.63 | — | 23.3p/mile |
| IONITY 83.0p PAYG | £46.89 | £25.98 (+ £10.50/mo) | 24.5p/mile |
| Allego 84.0p PAYG | £47.45 | — | 24.8p/mile |
| GRIDSERVE 85.0p PAYG | £48.02 | — | 25.1p/mile |
| Osprey 87.0p PAYG | £49.15 | — | 25.7p/mile |
| BP Pulse 89.0p PAYG | £50.28 | £24.86 (+ £7.85/mo) | 26.3p/mile |
| InstaVolt 92.0p PAYG | £51.97 | — | 27.1p/mile |
Cost to charge at home
Full 0 → 100% charge on each common UK EV tariff, using its cheapest rate. Check which tariff is actually cheapest for your usage →
| Tariff | Off-peak rate | Full charge cost | Cost/mile |
|---|---|---|---|
| British Gas British Gas Electric Driver | 9.0p (Off-peak) | £7.26 | 2.7p/mile |
| EDF Energy EDF GoElectric Overnight | 7.0p (Off-peak) | £5.64 | 2.1p/mile |
| E.ON Next E.ON Next Drive | 9.0p (Off-peak) | £7.26 | 2.7p/mile |
| Octopus Energy Intelligent Octopus Go | 6.9p (Off-peak) | £5.57 | 2.0p/mile |
| Octopus Energy Octopus Go | 7.0p (Off-peak) | £5.64 | 2.1p/mile |
| OVO Energy OVO Charge Anytime | 14.0p (EV charging slot) | £11.30 | 4.1p/mile |
| Ofgem default (any supplier) Standard Variable Price Cap | 26.1p (Standard) | £21.07 | 7.7p/mile |
Compare the i4 against another EV
Same battery, charger speed and SOC range; full data side-by-side.
About this battery
The BMW i4's charging behaviour above is derived from its cell chemistry and pack architecture using our own model — not copied from a third-party test database. Here's what's inside the pack and why it produces the curve you see.
Cells
- Manufacturer
- Samsung SDI
- Chemistry
- NMC-811
- Cell format
- prismatic
- Cell model
- Gen 5 NMC
Pack architecture
- Pack voltage
- 400V
- Thermal management
- Active liquid cooling
- Pre-conditioning
- Manual (user-triggered)
- BMS calibration
- Standard
BMW Gen 5 eDrive platform. Samsung SDI prismatic NMC cells, active liquid cooling. Pre-conditioning is manual via the iDrive menu when routing to a fast charger.
How the curve is derived: methodology. Last verified 2026-04-01.