With the REx running, charge is pushed into the battery, offsetting the power lost from driving the car. The result is a battery that loses its charge much more slowly, significantly increasing maximum range.
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What does REx mean on BMW i3?
The i3 was offered in two flavors; BEV (Battery Electric Vehicle) and REx (Range Extender). The former used an electric motor and a battery, nothing else. The latter featured a small gasoline engine under the trunk to help provide some battery juice when the state of charge got too low.
When did BMW stop making the i3 Rex?
The last BMW i3 will roll off the Leipzig assembly line in late July, 2022.
How do you start a i3 Rex engine?

Is BMW i3 Rex a hybrid?
BMW also has two further trims: the i3 with Range Extender (REX) and the i3s with Range Extender. Rather than being a pure EV, the BMW i3 REX models pair the electric motor with a gasoline engine, making them plug-in hybrids.
How many years does a 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.
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.
How much does it cost to replace 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.
Can you drive an i3 on petrol only?
So does the BMW i3 REx runs on gasoline? The simple answer is NO. It is important to note that the i3 REx still uses an electric motor to move the car.
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 historyโ200 miles. This breaks down to 126 miles of all-electric range and 74 miles on a combustion engine.
How many miles will a BMW i3 last?
BMW i3: Years and History Early models had an EPA range shy of 100 miles but the i3 is now rated at 153 miles, not including an optional gasoline range extender for maximum flexibility and peace of mind.
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 โ a respectable result. If you would like to see the full reliability list, head to the What Car?
What car will replace the BMW i3?
The new electric BMW iX1 is teased by BMW as a sort of replacement for the i3, ahead of a debut later this year together with a new ICE X1. BMW told us to expect the innovative โ and now quite elderly โ BMW i3 would soldier on until 2024 because people keep on buying it.
Who makes BMW i3 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.
Can BMW i3 run on gas only?
As our vehicles continue to evolve, it can be hard to believe that some of them don’t even need gas to operate. The BMW i3 is one of the most technologically advanced models on the market, and it’s all-electric, which means drivers never have to worry about fuel costs.
Does the BMW i3 have a 12V battery?
Step-by-Step Guide for BMW i3 12V Battery Replacement: Buy new 12V Battery and trickle charge until fully charged. Open Front Trunk. Remove Covers over Driver’s Side and Passenger Side in front trunk. Disconnect Main Battery with High Voltage Safety Connector (Service Disconnect)
Does BMW i3 range extender charge the battery?
I recommend opting for the Range Extender over the all electric version. Powered with a 125-kilowatt electric motor with a 22-kilowatt-hour lithium-ion battery pack, it features a small two-cylinder gasoline engine that also acts as a generator to recharge the battery pack.
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).
What is better a hybrid or plug-in hybrid?
A plug-in hybrid may be able to get a little charge through regenerative braking. But since a plug-in car has a larger battery that it relies on more, it needs to be connected to an external power source to fully recharge. Full hybrids can recharge their electric batteries through regenerative braking.
How do I know if my BMW i3 has a healthy battery?

Can BMW i3 rust?
Dilution levels need to be within a specific percentage range or your 2021 BMW i3 engine parts can start to rust, break, or become irreplaceably broken.
What’s high mileage on a BMW?
What is considered high mileage for a BMW? While most BMW’s can last between 100,000 โ 250,000 miles, high mileage is actually considered slightly lower than this. Most dealers will avoid stocking BMW’s that are above 100,000, and some even consider 60-80,000 to be high mileage for these cars.
Is it expensive to maintain a BMW i3?
The annual maintenance cost of a BMW i3 is $1,173. Repair and maintenance costs vary depending on age, mileage, location and shop.
Where are BMW i3 built?
The final 10 were exclusive BMW i3s HomeRun Edition. The BMW i3 was produced at the BMW Group plant in Leipzig, Germany, and sold in more than 74 countries around the world.
What is the lifespan of an electric car?
Every EV sold in the United States comes with a warranty that covers the battery for at least 8 years and 100,000 miles. Kia and Hyundai go a step farther, with 10-year, 100,000-mile warranties. And many brands, including BMW, Tesla, and Nissan will cover battery packs if capacity drops below about 60 to 70 percent.