How to change a12 volt bmw i3 battery

How to Change BMW I3 Battery Replacement Cost & Where to Buy BMW i3 12V Battery

Sharing is caring!

Last updated on July 28th, 2023 at 05:12 pm

In case you don’t know, the car battery for the BMW i3 happens to be an important part of the electrical system that makes the vehicle to be reliable for operation.

Once car battery for BMW i3 is not changed when defective, then there will be no trust and the reliability of the car to serve you when need t is lost.  

And that is why in this post I will discuss the BMW i3 battery replacement cost that is How much does a BMW i3 battery costs, Where to buy a BMW i3 12V battery, and lastly how to change a12 volt BMW i3 battery.

 So if you have ever had the question of how do you change a 12 volt BMW i3 battery, then this is the right post for you.

Your vehicle battery provides power since it stores electricity. Whenever your car engine isn’t turned on, and you intend to use the electricity in your car especially when you want to play that exciting song, note that the power is coming from the battery.

The truth is that the battery provides the power that turns on the car. This battery sends an electric current to the starter the motor, which helps in turning the engine.

This means that once your battery isn’t working fine, then you won’t be able to use your car.

Related Articles:

How Much Does A BMW I3 Battery Cost

Note that the batteries in electrified cars such as BMW i3 have proven beyond doubt to be very reliable and robust.

This means that car owners shouldn’t always replace them when due. However, the new battery of BMW i3 will set owners back as it cost about $16,000.

Note that this $16,000 replacement cost of BMW i3 happens to be for the early i3 package used on 2013-2016 models.

While the 2017 car model gets a high energy density pack that is rated at 94 Ah and have a 33 kW·h (gross) capacity of 50% greater than that of the previous generational battery which was then rated at 60 Ah and 22 kW·h.

This new lithium-ion pack, which comes with a Samsung-SDI cell that is arranged in around eight 12-cell modules, is used for both the i3 range models and i3 battery-electric.

This i3 battery-electric provides up to 114-mi (183-km) range which is in moderate thermal conditions.

BMW I3 12v Battery Replacement Cost

As you know, the duty of batteries is to provide electricity to the vehicle starter to start the engine. But the cost of replacing it will depend on the type of car.

And for BMW the average Replacement cost for a BMW i3 12v battery is about $298 to $324 while the labor costs is estimated to be between $99 and $125 and its spare parts are priced around  $199.

Where To Buy BMW I3 12V Battery

The one trusted place to buy a BMW 13 12v Battery is here on Amazon where you will have the option to choose any kind of battery type and then is will be delivered to your house continuously.

However there other online stores you can also buy a BMW I3 12V Battery though I have not personally used those stores myself.

Below are additional places where you can purchase new batteries at an affordable price.

But note that the replacement cost for a BMW i3 12v battery is about $298 to $324. While the labor costs is estimated to be between $99 and $125 and its spare parts are priced at $199.

How To Change A 12Volt BMW I3 Battery 

How do you change a 12 volt BMW i3 battery? My best approach to changing your car battery is to go to your local BMW dealership to change your battery.

However, if you are one of those people who enjoy doing it themselves, then know that this is just a guide and note advice that you should change the BMW i3 battery yourself.

Please note that there are lots of safety checks you must perform, such as disconnecting the High Voltage Safety Connector. But in case you’re not comfortable doing this, consult a professional. First, here are some symptoms of dying BMW i3 battery.

Some common symptoms that indicate that your BMW battery needs to be replaced:

  • Noticing a clicking sound when you turn the key
  • Having dim headlights
  • Your BMW won’t start
  • Battery inability to hold a charge
  • Having high battery discharge warning showing on the instrument cluster
  • Difficulty for engine to turn on.

Here are tool You Will Need:

  • Work gloves
  • Scanner to Register BMW Battery
  • Ratchet wrench
  • Group 94R Battery 
  • 13mm socket
  • Battery Terminal Brush
  • Protective glasses
  • Electrical tape
  • 10mm socket

How do you change a 12 volt BMW i3 battery

Below is the  step-by-step Guide to a change of BMW i3 12V Battery Replacement:

·         The BMW should be parked

Make sure you turn off the ignition, and take the key but leave the vehicle unlocked. In case you use a smart key, then place it at a minimum of 30 feet away from your vehicle. 

·         Find your car battery

You can find your battery in the trunk. But in some older models of BMW, the battery is located in the engine bay.

Just open the trunk and find the BMW battery on the passenger area of the trunk floor. 

But in case you drive a station wagon BMW, then you’ll find the battery on the trunk floor. Just remove the liner to expose the battery.

·         Now disconnect the negative battery terminal using a 10mm wrench

You can perform this by resting the cable away from the negative battery terminal.

·         Disconnect the positive battery terminal

Try to disconnect and take off the positive battery cable. Note that you’ll need to lift up the red plastic cover before you can find the 10 mm nut which you need to loosen up.

·         Take off the battery bracket

Remember that the battery is tightened with a bracket which can be found on the side and a top bracket.

The first thing to do is to remove the top bracket, which can be done by taking off two 13 mm bolts that are indicated by the white arrows.

·         Take off the old battery

It’s time to take off your battery, but be careful batteries can be heavy. You can ask for help to lift the old battery off.

·         Now install the new battery

Next, you should carefully put the new battery in place and ensure it is sitting well.

·         Now secure the battery

You can put back the bracket. But do not over tighten them, else, you’ll end up cracking the battery housing unit.

In case you’re installing a lead-acid battery, ensure to connect the vent hose. Then connect the battery terminals.

·         It’s time to register the battery with an OBD-II scan tool

Make sure you have OBD-II scanner that can register a BMW battery. Just follow the instructions on the scanner to register the battery. 

Concluding on BMW i3 battery replacement cost

Whenever you change an old BMW battery and don’t register it, there’s the possibility that your new battery might prematurely fail.

Most times, you might experience electrical problems or having warnings on the instrument cluster.

Sharing is caring!

Scroll to Top