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One free scan finds every outdated or missing driver and matches the right update for your exact hardware.Free scan · exact hardware matchA used BMW i4’s electricity cost depends mainly on how efficiently you drive and what you pay per kilowatt-hour. EV Database estimates consumption of 253 Wh per mile for the eDrive35 and 254 Wh per mile for the eDrive40 in the cited model entries. At an illustrative electricity rate of £0.30/kWh, that works out to about 7.6p per mile for energy, before charging losses. Your actual bill will depend on your tariff, charging mix, mileage and conditions.
How to estimate the i4’s electricity cost
Convert the model’s estimated consumption to kilowatt-hours per mile, then multiply by your electricity price per kilowatt-hour:
Energy cost per mile = consumption in kWh/mile × electricity price in £/kWh.
For the cited eDrive40 estimate, 254 Wh per mile is 0.254 kWh per mile. At a hypothetical £0.30/kWh, the calculation is 0.254 × £0.30 = £0.0762, or about 7.6p per mile. The eDrive35 estimate is 253 Wh per mile, which produces a very similar result at the same assumed rate. These are estimates, not measurements of a particular used car; temperature, speed, terrain and cabin heating can change consumption. See the EV Database eDrive35 entry and eDrive40 entry.
#1 Best Overall
- [Up to 6X Faster Charging Speed via the NEMA 14-50 plug (32 amp)]: Provides up to 24 miles/hour charging speed via the NEMA 14-50 plug (32 amp). Professional installation recommended for optimal safety and performance. [Use the 5-15P Adapter]: 1. The RV Adapter doesn't work for EV chargers, please choose the EV adapter. 2. It will become slow level 1 ev charging and some cars may drop to 12A, the max charging rate is 1.32-1.8kW(110V*12A-120V*15A).
- [Equipped with J1772 Connector for All North America j1772 Connector EVs/PHEVs. Not fits for Tesla/Nacs Connector Cars(j1772 to Tesla adapter needed)]: Compatible with Tesla cars (Adapter needed, not included), Ford, GM, Audi, Kia, Honda, Kia, Hyundai, Gmc, Chevrolet Bolt, VW ID 4, Nissan Leaf, Ford Mustang Mach-E, IONIQ 5 2024 and before, BMW i3, i4, iX, Jeep Wrangler 4xe, etc. [Not fits for Nac connector cars-Kia EV6 2025,Ariya 2025&2025 loniq 5(J1772 to Tesla adapter needed)]
- [Safety & Faster Charging with ETL, FCC Certified]: Meets the Safety Criteria Defined by: SAE J1772, UL2231-1/-2, UL 991, UL 2231, UL 2251, UL1998 and UL 2594. (ETL and FCC certified EV car charger with 3-year Warranty)
- [Plug-play Mode(The Default Setting), Smart Touch Screen, No APP Needed]: Clearly show the charging amperage, charging speed, input voltage, delay time, etc. For the touch buttons: 1. Pull out the charging gun before press the buttons, otherwise no respond; 2. Long press "Ⓐ" or "Time" button to enter the setting interface, then you can adjust the amperage from 16A to 32A freely or Set the charging start time; 3. You can do "factory reset" if doesn't charging.
- [Smart WIFI APP, You can Set the Charging Period]: By APP, you can wirelessly check the charging cost, history, fully-charged notification, track the charging status, during off-peak period, etc. [Wi-Fi Reset/Factory Reset Function, Add New Device Quickly]: If you can't find your device or you have replaced a new phone, just pull out the charging latches, simultaneously long press the Ⓐ button and time adjustment button on the product screen until it shows "Factory Reset", then wait 3-5 seconds and re-start your device.
To estimate a full-pack charge, multiply the usable battery capacity in kWh by your rate per kWh. BMW describes this as a general calculation, not a tariff quote, and notes that drivers typically recharge before the battery is empty, so an ordinary charging session costs less than a full-pack estimate. See BMW UK’s electric-car cost overview.
Estimate your yearly electricity spend
Multiply your expected annual miles by the cost per mile, using your actual tariff. If you charge at more than one rate, calculate the cost for each share of your mileage separately and add the results. Include charging losses in your household estimate: the per-mile calculation above uses the vehicle’s estimated energy consumption and is before those losses. Without your mileage, tariff and charging split, there is no reliable single annual figure.
Rank #2
- [Up to 9x Faster Charging Speed]: Provides up to 46 miles/hour charging speed via hardwired connection (48 amp - up to 9x faster than a standard wall outlet) or up to 38 miles/hour via the NEMA 14-50 plug (40 amp). Professional installation recommended for optimal safety and performance. [Install The Power Outlet Cord]: No smaller than 8AWG if charge 40-48A, we suggest 6AWG cord.(1.The input side is belongs to the electrician electric automobile regulation scope, need to use three 6AWG cable wires for 48A; 2.The charging cable belongs to the automotive connector certification standard, so the 8AWG cable can meet the 48A.)
- [DESIGNED WITH J1772 Connector for All North America j1772 Connector EVs/PHEVs. Not fits for Tesla/Nacs Connector Cars(j1772 to Tesla adapter needed)]: Compatible with Tesla cars (Adapter needed, not included), Ford, GM, Audi, Kia, Honda, Kia, Hyundai, Gmc, Chevrolet Bolt, VW ID 4, Nissan Leaf, Ford Mustang Mach-E, IONIQ 5 2024 and before, BMW i3, i4, iX, Jeep Wrangler 4xe, etc. [Not fits for Nac connector cars-Kia EV6 2025/EV9,Ariya 2025&2025 loniq 5(J1772 to Tesla adapter needed)]
- [Safety & Faster Charging with ETL, FCC, Energy Star Certified]: Meets the Safety Criteria Defined by: SAE J1772, UL2231-1/-2, UL 991, UL 2231, UL 2251, UL1998 and UL 2594. (ETL and FCC certified EV car charger with 3-year Warranty)
- [Plug-play Mode(The Default Setting), Smart Touch Screen, No APP Needed]: Clearly show the charging amperage, charging speed, input voltage, delay time, etc. For the touch buttons: 1. Pull out the charging gun before press the buttons, otherwise no respond; 2. Long press "Ⓐ" or "Time" button to enter the setting interface, then you can adjust the amperage from 16A to 48A freely or Set the charging start time; 3. You can do "factory reset" if doesn't charging.
- [Smart WIFI APP, You can Set the Charging Period]: By APP, you can wirelessly check the charging cost, history, fully-charged notification, track the charging status, during off-peak period, etc. [Wi-Fi Reset/Factory Reset Function, Add New Device Quickly]: If you can't find your device or you have replaced a new phone, just pull out the charging latches, simultaneously long press the Ⓐ button and time adjustment button on the product screen until it shows "Factory Reset", then wait 3-5 seconds and re-start your device.
Home and public charging costs
Home charging can make use of a lower overnight rate if your electricity plan offers one. BMW UK recommends a 7 kW Universal Home Charger and identifies Pod Point as its supplier. That is a recommendation, not a requirement: check whether the property already has a suitable charger, whether installation is possible and what your electricity tariff actually charges before adding equipment costs to your budget.
For the cited eDrive40 entry, EV Database lists an 11 kW maximum onboard AC charging rate that requires a three-phase connection. It describes 7.4 kW as typical for most homes and charge points, and estimates about 13 hours for a full charge at that rate. Treat those as model-entry guidance, not a promise about your home setup; available power, installation and charging conditions affect the result. Rapid charging power and time also vary with conditions and the vehicle’s charging curve.
The Tool Desk
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- 4x Faster Charging with 25FT Full Reach — EVDANCE EV Charger LEVEL 2 charge at 15-20 mph via existing dryer outlet. Plug-and-play with included NEMA 14-30P (240V/24A) to recharge an 83.9kWh EV like BMWi4 from 20% to 80% in 9 hours, 75% faster than standard 120V/12A outlets (38 hrs). No garage rewiring needed. The EVDANCE 25FT LEVEL 2 EV Charger cable (21.9FT charger-to-car & 3.1FT control-to-outlet) , effortlessly stretching from laundry room dryer outlets to far parking spots.
- Plug & Charge with Home Dryer Outlets NEMA 14-30 — Fits Most EVs Except Tesla. EVDNACE 24A LEVEL 2 Charger connects directly to standard 240V NEMA 14-30 dryer outlets, while avoiding other common 120V/240V outlets like 5-15, 5-20, 6-50, or 14-50 (plug adapter needed). This J1772 Charger powers popular Chevy Bolt EV, Hyundai Kona EV, and most J1772-compatible vehicles. Tesla charging requires a separate J1772-to-Tesla adapter(sold separately).
- Smart Display & Adaptive Charging — Maximize Home Savings. Track real-time stats (voltage/current/power/duration) and safety alerts on the 24A EV LEVEL 2 charger's display, while EVDANCE EV charging technology adjusts speed from 10A to 24A to match your circuit. Newer homes blast an 83.9kWh EV (like BMW i4) from 20% to 80% in 9hrs at 24A (18.1mph), while older wiring safer at 16A (14hrs/12.1mph). Set 1-12 hour delays to auto-charge during 50% cheaper off-peak hours (10PM-7AM) — charge for just 12 instead of 24 daytime rates.
- 24/7 Safety & All-Weather Charging with UltraGuard Charger — Engineered with 6-layer protection(lightning/leakage/overcurrent/overvoltage/overheat/overcharge), this 24A LEVEL 2 electric car charger safeguards your vehicle and home circuitry nonstop. EVDANCE Portable EV Charger operates flawlessly from -22°F to 122°F with IP66-rated weatherproof housing (handles rain showers and dust storms for daily use). Do NOT operate during hurricanes, thunderstorms, or flooding — immediately unplug and store indoors. *Important: Plug/socket interface isn't waterproof; always use included cap to cover charger connector when idle.
- Military-Grade Durability & Hassle-Free Warranty — The EVDANCE NEMA 14-30 EV Charger is built with certified 12AWG pure copper cables and UL 94 V-0 fireproof casing. This EV charger for home LEVEL 2 delivers safer charging — its silver-plated connectors boost conductivity while surviving 4,400-lb crush tests (think accidental car rolls). Backed by a 1-year full warranty and 24/7 U.S.-based support, charge worry-free through rain, dust, snow or daily grind.
BMW says its Approved Used electric cars include a Mode 3 AC public charging cable as standard. It says a Mode 2 Flexible Charging cable can be purchased for home use if there is no home charger. Confirm the exact car’s supplied equipment rather than assuming a cable or charger is included.
Compare charging options using your own rates
- Check the per-kWh price for each home or public option you expect to use.
- Include any subscription or connection fees that apply to your charging access.
- Estimate what share of your miles will be charged at each rate, then calculate those shares separately.
- For battery-life guidance, BMW’s Approved Used information says the ideal charging level is between 10% and 80%. This is a general recommendation, not a prohibition on charging above 80%.
Battery health, warranty and servicing on a used i4
BMW says its Approved Used electric cars receive a Battery Health Quick Report showing the battery’s current state of health relative to its original capacity. Review the report for the individual car rather than assuming battery condition from the model name or age alone.
Rank #4
- 4x Faster Charging with 25FT Full Reach — EVDANCE EV Charger LEVEL 2 charge at 15-20 mph via existing dryer outlet. Plug-and-play with included NEMA 10-30P (240V/24A) to recharge an 83.9kWh EV like BMWi4 from 20% to 80% in 9 hours, 75% faster than standard 120V/12A outlets (38 hrs). No garage rewiring needed. The EVDANCE 25FT LEVEL 2 EV Charger cable (21.9FT charger-to-car & 3.1FT control-to-outlet) , effortlessly stretching from laundry room dryer outlets to far parking spots.
- Plug & Charge with Home Dryer Outlets NEMA 10-30 — Fits Most EVs Except Tesla. EVDNACE 24A LEVEL 2 Charger connects directly to standard 240V NEMA 10-30 dryer outlets, while avoiding other common 120V/240V outlets like 5-15, 5-20, 6-50, or 14-50 (plug adapter needed). This J1772 Charger powers popular Chevy Bolt EV, Ford Mustang Mach-E, Hyundai Kona EV, and most J1772-compatible vehicles. Tesla charging requires a separate J1772-to-Tesla adapter(sold separately).
- Smart Display & Adaptive Charging — Maximize Home Savings. Track real-time stats (voltage/current/power/duration) and safety alerts on the 24A EV LEVEL 2 charger's display, while EVDANCE EV charging technology adjusts speed from 10A to 24A to match your circuit. Newer homes blast an 83.9kWh EV (like BMW i4) from 20% to 80% in 9hrs at 24A (18.1mph), while older wiring safer at 16A (14hrs/12.1mph). Set 1-12 hour delays to auto-charge during 50% cheaper off-peak hours (10PM-7AM) — charge for just 12 instead of 24 daytime rates.
- 24/7 Safety & All-Weather Charging with UltraGuard Charger — Engineered with 6-layer protection(lightning/leakage/overcurrent/overvoltage/overheat/overcharge), this 24A LEVEL 2 electric car charger safeguards your vehicle and home circuitry nonstop. EVDANCE Portable EV Charger operates flawlessly from -22°F to 122°F with IP66-rated weatherproof housing (handles rain showers and dust storms for daily use). Do NOT operate during hurricanes, thunderstorms, or flooding — immediately unplug and store indoors. *Important: Plug/socket interface isn't waterproof; always use included cap to cover charger connector when idle.
- Military-Grade Durability & Hassle-Free Warranty — The EVDANCE NEMA 10-30 EV Charger is built with certified 12AWG pure copper cables and UL 94 V-0 fireproof casing. This EV charger for home LEVEL 2 delivers safer charging — its silver-plated connectors boost conductivity while surviving 4,400-lb crush tests (think accidental car rolls). Backed by a 1-year full warranty and 24/7 U.S.-based support, charge worry-free through rain, dust, snow or daily grind.
BMW’s high-voltage battery warranty covers failures due to manufacturing defects for up to eight years from first registration or 100,000 miles, whichever comes first. The maximum term is not necessarily what remains on a used car: check its first-registration date, mileage and warranty conditions. BMW also says Approved Used all-electric cars need regular servicing every two years, not according to mileage. See BMW UK’s Approved Used electric-car information.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.What electricity estimates do not include
Energy cost is only one part of the cost to run an i4. The figures above do not include insurance, tyres, depreciation, purchase price, maintenance or repairs. The reviewed information does not establish a current i4-specific service price, insurance premium, tyre-replacement cost or likely repair bill, so get figures for the car and driver you are considering rather than relying on a generic annual total.
Best Value
- SAE J1772 Standard Charger: Compatible with all North American electric vehicles and plug-in hybrids, including Ford, Chevrolet, Nissan, BMW, Volkswagen, Hyundai, Kia, Audi, Mercedes-Benz, Rivian, Porsche, Toyota, Honda, Jeep, and GMC. Tesla vehicles can be charged with a separate SAE J1772 adapter (sold separately).
- Adjustable Current: Choose from 8A, 10A, 13A, or 16A to match your vehicle’s charging needs.Dual Plug Compatibility,NEMA 6-20 Plug (220/240V): Delivers up to 3.84 kW/h, providing approximately 15.36 MPH charging speed at 16A.NEMA 5-15 Plug (110/120V): Supports 10A charging at 120V, offering 1.2 kW/h (around 4.4 MPH). Customizable Charging: Easily adjust current to suit different charging scenarios, giving you maximum flexibility at home or on the go
- Hassle-Free Installation: Forget complicated setups—just plug in and go. Equipped with NEMA 5-15 and NEMA 6-20 (220V/240V) connectors, it works with any standard 110V–240V outlet. The 25-foot cable gives you the freedom to reach vehicles parked at a distance, making charging convenient anywhere.
- Intelligent Charging: Featuring a 2.8-inch touch display, you can easily select the charging current (8A / 10A / 13A / 16A) and schedule charging with a 1–12 hour delayed start. Perfect for maximizing off-peak hours and cutting electricity costs. (Example: Set a 2-hour delay, and charging begins automatically after 2 hours.)
- Comprehensive Safety: Designed to meet CE and FCC safety standards, this charger offers multiple layers of protection, including overvoltage, overload, short-circuit, grounding, and leakage safeguards. The durable IP65-rated waterproof housing and reinforced cable ensure reliable charging in all weather conditions, keeping your vehicle safe year-round.
The UK Government says electric cars are in many cases cheaper to run than petrol or diesel cars and cites independent research estimating an average £700 annual saving for EVs. That is a general EV estimate, not a BMW i4 saving. The same government guidance says around 80% of UK drivers buy cars on the used market; that is market context, not an i4-specific statistic. See the UK Government’s electric-vehicle costs and charging guidance.
Quick Recap
Checks to make before buying
- Use your own electricity tariff, expected mileage and home-versus-public charging split to estimate energy costs.
- Check whether the property has a suitable charging setup and confirm which cables come with the car.
- Review the individual Battery Health Quick Report, service history and remaining battery warranty.
- Get vehicle- and driver-specific insurance, tyre, servicing and repair estimates; compare purchase price and condition separately from charging cost.
- When comparing two used i4s, consider variant and model year, battery health, mileage, history, warranty remaining and wheel and tyre specification alongside price.
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
