How to Replace the Battery in a 2018-2019 BMW X3 Key Fob

Introduction

Owning a BMW X3 is an exhilarating experience. However, like any other vehicle, maintenance is crucial. One of the simpler yet essential maintenance tasks is replacing the key fob battery. In this guide, I will show you how to replace the battery in a BMW X3 key fob for the 2018 and 2019 models.

This guide is applicable for several models: xDrive20i, xDrive30i, M40i, xDrive20d, xDrive30d, and M40d. If you own one of these models and your key fob battery needs replacement, you are in the right place.

Materials Needed

Before we start, ensure you have the right tools and materials. Here’s what you need:

• CR2032 Coin Battery
• Small Flat-head Screwdriver

You can also use the valet key itself if you don’t have a screwdriver handy.

Step-by-Step Guide

Step 1: Remove the Valet Key

First, press the button on the side of the key fob to remove the valet key. This is a small key that is part of the key fob itself. Removing it will give you access to the internal components of the key fob.

Step 2: Access the Battery Compartment

Once the valet key is removed, look for a small opening just to the left of where the valet key was. This is on the backside of the key fob. Insert a small flat-head screwdriver or the valet key itself into this opening. Use it to get a little bit of leverage.

With a gentle twist, you will be able to pop off the back cover of the key fob. Be cautious while doing this to avoid any damage.

Step 3: Remove the Old Battery

After removing the back cover, you will see the internal battery. The battery type used in the BMW X3 key fob is a CR2032 coin battery. Gently pop off the top part of the battery compartment to access the battery.

Be careful, as there are some springs in this compartment that can cause the battery to fly out. Use a little bit of leverage to remove the old battery.

Step 4: Insert the New Battery

Take your new CR2032 coin battery and make sure the positive side is facing up. Place the battery into the compartment, starting with the bottom part first. This will help to ensure that the battery is properly seated.

Once the battery is in place, snap the top part of the compartment back on. Make sure it is securely fastened to avoid any issues later.

Step 5: Reassemble the Key Fob

Now that the new battery is in place, it’s time to reassemble the key fob. Start by placing the back cover on the key fob. Make sure to insert the slanted part of the cover first, as this will make it easier to snap the cover back on securely.

Once the back cover is in place, reinsert the valet key. Ensure that everything is securely fastened and that there are no loose parts.

Conclusion

Replacing the battery in your BMW X3 key fob is a simple task that can be done in just a few minutes. By following these steps, you can ensure that your key fob is always in good working condition.

Remember, a functioning key fob is essential for the smooth operation of your vehicle. If you notice any issues with your key fob, such as it not working as it should, the first thing to check is the battery.

Frequently Asked Questions (FAQ)

What type of battery does the BMW X3 key fob use?

The BMW X3 key fob uses a CR2032 coin battery. This is a common type of battery that can be found in most electronics stores or online.

How often should I replace the key fob battery?

The key fob battery should be replaced every 1-2 years, depending on usage. If you notice that your key fob is not responding as it should, it may be time to replace the battery.

Can I use a different type of battery?

It is recommended to use only the CR2032 battery type for the BMW X3 key fob. Using a different type of battery may result in improper functioning of the key fob.

Is it safe to replace the battery myself?

Yes, it is safe to replace the battery yourself. Just follow the steps outlined in this guide and take care to avoid any damage to the key fob.

What if my key fob still doesn’t work after replacing the battery?

If your key fob still doesn’t work after replacing the battery, there may be another issue at play. It could be a problem with the key fob itself or with the vehicle’s keyless entry system. In this case, it is best to consult with a professional.

Additional Tips

Here are a few additional tips to keep in mind when replacing your BMW X3 key fob battery:

• Handle the key fob gently to avoid damage.
• Use a clean, dry workspace.
• Dispose of the old battery properly.
• Check the new battery’s expiration date.

By following these tips, you can ensure a smooth and successful battery replacement process.

Resources

For more detailed information and visual guides, you can visit the following resources:

• BMW X3 Key Fob Battery Replacement Guide
• Buy CR2032 Coin Battery on Amazon

These resources provide additional insights and step-by-step instructions to help you with your key fob battery replacement.