How to Change Battery in BMW Key Fob 2020

Changing the battery in your 2020 BMW key fob is a simple process that can save you time and money. This guide will walk you through the steps, highlighting common issues and providing effective solutions. We’ll cover everything from identifying the correct battery type to safely replacing the old one. Let’s get started!

Understanding Your BMW Key Fob

Before diving into the battery replacement process, it’s helpful to understand the different types of BMW key fobs. While the process is generally similar, there might be slight variations depending on the specific model. The 2020 models generally use the display key or the standard key fob. Knowing which one you have will make the process even smoother. how to replace battery in key fob bmw x3

What type of battery does my 2020 BMW key fob use?

Most 2020 BMW key fobs use a CR2032 battery. These are readily available at most stores that sell batteries. It’s a good idea to keep a spare on hand, just in case.

Step-by-Step Guide: How to Change Battery in BMW Key Fob 2020

Here’s a detailed, step-by-step guide to changing the battery in your 2020 BMW key fob:

Locate the release button: On the side of your key fob, you’ll find a small release button. This button is usually marked with a key symbol or a small indentation.
Release the valet key: Press the release button and gently slide out the valet key. This key can be used to manually unlock your car door in emergencies.
Open the key fob: Using the valet key or a small flat-head screwdriver, carefully pry open the key fob casing at the seam where the two halves join. Be gentle to avoid damaging the casing.
Remove the old battery: Once the key fob is open, you should see the CR2032 battery. Gently pry it out using the valet key or a small flat-head screwdriver.
Insert the new battery: Place the new CR2032 battery into the compartment, making sure the positive (+) side is facing up, just like the old battery.
Close the key fob: Align the two halves of the key fob and press them together until they snap shut.
Test the key fob: Try locking and unlocking your car to ensure the new battery is working correctly.

How long does a BMW key fob battery last?

Typically, a BMW key fob battery lasts between two and three years, depending on usage.

“A common mistake people make is using the wrong type of battery,” says John Miller, a seasoned automotive electrician. “Always double-check that you’re using a CR2032 battery for your 2020 BMW key fob.”

Troubleshooting Common Issues

Sometimes, you might encounter issues during the battery replacement process. Here are a few common problems and their solutions:

Key fob won’t open: If you’re having trouble opening the key fob, try using a slightly larger flat-head screwdriver or a plastic pry tool. Be careful not to apply too much pressure, as this could damage the casing.
Key fob won’t close: Make sure the battery is seated correctly in the compartment. If it’s not properly aligned, the key fob might not close completely.
Key fob not working after battery replacement: Check that the new battery is properly installed and that the positive (+) side is facing up. If the key fob still isn’t working, there might be another issue, such as a faulty key fob or a problem with your car’s receiver. In this case, it’s best to consult a qualified automotive technician.

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Conclusion

Changing the battery in your 2020 BMW key fob is a quick and easy task that can be done at home with minimal tools. By following these simple steps, you can save yourself a trip to the dealership and keep your key fob functioning properly. Remember to always use the correct battery type (CR2032) and be gentle when opening and closing the key fob casing. How To Change Battery In Bmw Key Fob 2020 should no longer be a daunting task.

FAQ

What type of battery do I need for my 2020 BMW key fob? A CR2032 battery.
How often should I change the battery? Every two to three years, or as needed.
What if my key fob still doesn’t work after changing the battery? Consult a qualified automotive technician.
Where can I buy a replacement battery? Most stores that sell batteries.
Can I damage my key fob by changing the battery myself? It’s possible, but unlikely if you follow the instructions carefully.
What tools do I need? A small flat-head screwdriver or a plastic pry tool and the valet key.
Do all 2020 BMW key fobs use the same battery? Generally, yes, they use the CR2032 battery.

Common Scenarios

Key fob battery dies unexpectedly: Keep a spare CR2032 battery in your glove compartment.
Key fob gets wet: Dry it thoroughly and replace the battery if necessary.

Check out our article on how to replace battery in key fob bmw x3.

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