The battery resting voltage (engine off) should be about 12.6 volts. The charging voltage (engine running) should be about 13.5 to 14 volts, it should increase slightly when you rev the engine to 2,500 rpm, and it shouldn’t dip egregiously when you turn on a stiff electrical load.
Table of Contents
How do I check the battery capacity of my i3?
How do I check my BMW battery health?
How big is the BMW i3 battery?
The battery of the BMW i3 120 Ah has a total capacity of 42.2 kWh. The usable capacity is 37.9 kWh. A range of about 145 miles is achievable on a fully charged battery.
How many years will BMW i3 battery last?
2021 BMW i3 batteries usually last between 3-5 years, but this is variable depending on driving habits, weather conditions, the type of battery, and more.
Which BMW i3 has longest range?
Which BMW i3 has the longest range? The 2019, 2020, and 2021 BMW i3 and i3s with the optional Range Extender share the longest range in the vehicle’s production history—200 miles. This breaks down to 126 miles of all-electric range and 74 miles on a combustion engine.
How much is a BMW i3 battery?
The average cost for a BMW i3 battery replacement is between $290 and $316. Labor costs are estimated between $99 and $125 while parts are priced at $191. This range does not include taxes and fees, and does not factor in your specific model year or unique location. Related repairs may also be needed.
Should I charge my BMW i3 everyday?
Repeatedly charging your i3 to 100% is very taxing on the battery infrastructure in the car, producing a lot of heat and stress. Only charge to 100% before a long trip! For best results, choose a lower charging rate (reduced or low) and try to get about 80% charge when you leave in the mornings.
Can you leave BMW i3 plugged in?
BMW recommends leaving the car plugged in when leaving it for extended periods. My car is always plugged in when at home and always charges to 100%. From the factory you get about 80% usable anyway to protect the battery. e.g. 2015 i3 from factory was 22kWh total with 18.2kWh usable.
What is the real range of BMW i3?
What about charging for the i3? As we said above, BMW claims a range depending on options and equipment of between 177 and 193 miles for both i3 versions. Expect to get 140-150 miles in real world use, averaging at least four miles per kWh.
Is a 60 mile range normal on a 2014 i3?
The range estimate is always 59-62 after a full charge whether I choose Comfort or ECO PRO. The i3 was purchased used with 52k miles from a private party who used it for their commute.
How do I know if my BMW battery is low?
- The engine will not crank or start, or struggles to crank and start.
- Lights don’t turn on with the car.
- Unreliable and intermittent starting, one day it starts ok, the next it struggles, etc.
- You need to jump start your BMW.
- Your BMW has a difficult time starting up in cold weather.
How do I know if my BMW needs a new battery?
- Dimming headlights.
- More frequent need for engine revving or jump starts.
- Takes longer to start the engine when you turn the key/push the button.
- Unusual power fluctuations.
How do I charge my BMW i3 to 80%?
If you want to charge to 80% instead of 100%, you can set your departure time 30 min or 2 hours (based on your charger power) later than your actual departure time. Again this is all a moot point if your charger cannot deliver enough energy to fill the battery by departure time.
When did the BMW i3 get a bigger battery?
The German car and motorbike maker gave the BMW i3 and the sports offshoot i3s a further battery upgrade in September 2018: by using new Samsung cells with 120 Ah, the total capacity increased by almost 30 per cent to 42.2 kWh. At the market launch in 2013, the values were still 60 Ah and 22.6 kWh.
How fast can you charge BMW i3?
3 pin plug charging time at home can take 11-12 hours. Wallbox Plus charging can take 4 hours. DC charging at service stations can take from 15 minutes to 2 hours depending on connection type.
Do BMW i3 have problems?
Most commonly the BMW i3 has steering problems which can make steering difficult or create noises while steering. Also, problems with the range extender can cause the car to not accelerate fully. Furthermore, some printed circuit board malfunction which can cause the car to shutdown.
Is BMW i3 reliable?
According to our most recent reliability survey, the i3 scored 94.1%, which put it in fourth place in a class of nine electric cars. BMW as a brand finished 13th out of 30 manufacturers – a respectable result. If you would like to see the full reliability list, head to the What Car?
Can BMW i3 rust?
Re: Corrosion – BMW i3 These cars are not immune from rust. Water, road salt, etc. Your suspension components will take a hammering, but its just one of these things. Brake discs and hubs too.
Why did BMW stop making the i3?
BMW ended production of the i3 for the US market in July 2021, and the car is being discontinued in all markets in July 2022. The company cited consumer’s thirst for electric vehicles that are larger than the i3 as the reason for the discontinuation.
Can you drive an i3 on gas only?
The i3 REx never actually runs on gas, and relies on the battery charge. In some situations, your vehicle will consume more power than your vehicle’s range extender will be able to offset.
What is the difference between BMW i3 and i3s?
Although the i3 has a better range than the i3s, the i3s has a more powerful motor. The BMW i3s has a 135 kW electric motor which provides 184 bhp. Its top speed is 99 mph and it can go from 0 to 62 mph in 6.9 seconds. On the other hand, the i3 has a 125 kW motor (170 bhp).
How often do EV batteries need to be replaced?
All EV batteries will experience degradation over time, but the general consensus is that they should last between 10 and 20 years before needing replacement.
How much does it cost to replace a BMW electric battery?
BMW i3. In 2016, BMW has reported costs of around $16,000 for replacing 22 kWh batteries in their i3 models. Recently, however, 22 kWh batteries have been seen on eBay for as low as $2,500.
What if my EV runs out of charge?
If you’re driving an electric car and it runs out of power, the short and simple answer is this: the car will stop—and you’ll need to call roadside assistance to get towed to the nearest charging station.