A BMW i4 is a battery-electric electric gran coupe. The i4 is a battery-electric gran coupe. Many UK cars accept 11 kW AC. Without three-phase, a 7 kW wallbox is the practical home rate. Budget the BMW i4 as a September 2026 driveway install around £800 to £1,400 including VAT if nothing awkward shows up. Posts, board changes, buried cable and London access sit above that.

What a BMW i4 will actually draw
The i4 is a battery-electric gran coupe. Many UK cars accept 11 kW AC. Without three-phase, a 7 kW wallbox is the practical home rate.
The i4 is not the same electrical brief as a 330e plug-in hybrid.
- BMW i4 is battery-electric, so home Type 2 AC is the daily fill
- Read the BMW i4 handbook AC figure for this model year
- A dedicated circuit still applies, badge or not
Lead length for a BMW i4
It is a low, long car. Tandem drives and a rear-quarter port make lead length more important than the badge. Measure parked, including when a second car is in front.
A tether bought for a shorter car is the usual BMW i4 mistake. Mark the port on a photo before anyone orders 5 metres by default.
Earthing and notification for a BMW i4
Most houses will still charge a BMW i4 at about 7 kW on single-phase. Three-phase only helps when this car's onboard charger and the supply both allow 11 kW or 22 kW.
Tariff windows for a BMW i4
A smart schedule matched to the tariff is worth more on a BMW i4 than a wallbox rating the house cannot supply. Test that schedule with this car before the installer leaves.
What to compare on a BMW i4 quote
Budget the BMW i4 as a September 2026 driveway install around £800 to £1,400 including VAT if nothing awkward shows up. Posts, board changes, buried cable and London access sit above that.
The written scope for a BMW i4 should name the charger, tether or socket, route, board work, earthing method, making good and exclusions.
Frequently asked questions
Is the BMW i4 fully electric?
Yes. The BMW i4 is a battery-electric electric gran coupe. Home charging is Type 2 AC. The i4 is a battery-electric gran coupe. Many UK cars accept 11 kW AC. Without three-phase, a 7 kW wallbox is the practical home rate.
Will a faster wallbox fill a BMW i4 quicker at home?
The i4 is a battery-electric gran coupe. Many UK cars accept 11 kW AC. Without three-phase, a 7 kW wallbox is the practical home rate. The i4 is not the same electrical brief as a 330e plug-in hybrid.
How long a lead does a BMW i4 need?
It is a low, long car. Tandem drives and a rear-quarter port make lead length more important than the badge. Measure parked, including when a second car is in front.
What should a BMW i4 driveway install cost?
Budget the BMW i4 as a September 2026 driveway install around £800 to £1,400 including VAT if nothing awkward shows up. Posts, board changes, buried cable and London access sit above that. It is a planning band, not a quotation.
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How this guide was prepared
This guide was written by the Local EV Installers Editorial Team. We compare official guidance, legislation and established consumer information, separate general information from project-specific advice, and show publication dates and sources. We do not accept installer accreditation claims at face value.