Introduction to the BMW Trapezoid Key Fob
Changing the battery in your BMW trapezoid key fob is an easy task that can save you time and money. This type of key fob was commonly used from 2011 to 2017 in various F-Series models. In this guide, I will walk you through the steps needed to replace the battery in your key fob, ensuring your BMW continues to operate smoothly.
- Pack of 2 batteries
- Lithium coin batteries for watches and electronic devices
- Has a power of 3 volts
Identifying the Key Fob
The BMW trapezoid key fob is named for its distinctive shape. If you own a 3 series, 5 series, 7 series, or an X3 from the early 2010s, you likely have this type of key fob. Before we dive into the battery replacement process, it’s essential to confirm you have the correct key fob. The trapezoid shape is a dead giveaway, and the key fob has a removable key in the back.
Removing the Key
To begin, locate the removable key at the back of the key fob. There is a small button that you need to press to release the key. Once the key is out, you can use it to help open the battery compartment.
- Press the button
- Remove the key
- Set the key aside
Opening the Battery Compartment
Next, you need to open the battery compartment. There is a small hole on the longer side of the trapezoid. You can insert the key or a small Phillips screwdriver into this hole to pop the back cover off. This will expose the battery inside the key fob.
- Locate the hole
- Insert the key or screwdriver
- Pop the back cover off
Removing the Old Battery
With the back cover removed, you can now see the battery. The BMW trapezoid key fob uses a CR2450 battery. To remove the old battery, you can use a small screwdriver or even a pair of nail clippers to gently pry it out.
- Identify the battery
- Use a tool to pry it out
- Dispose of the old battery properly
Inserting the New Battery
Now it’s time to insert the new battery. Make sure you have a CR2450 battery on hand. Place the new battery into the compartment, ensuring it is seated correctly. The battery should fit snugly into place.
- Get a CR2450 battery
- Insert the new battery
- Ensure it is seated properly
Closing the Battery Compartment
Once the new battery is in place, you can reattach the back cover. Simply press it back into place until you hear a click. This indicates that the cover is securely fastened. Finally, reinsert the key into the key fob.
- Reattach the back cover
- Listen for a click
- Reinsert the key
Testing the Key Fob
It’s important to test the key fob to ensure the new battery is working correctly. Try locking and unlocking your car with the key fob. If everything is functioning properly, you have successfully replaced the battery.
- Pack of 2 batteries
- Lithium coin batteries for watches and electronic devices
- Has a power of 3 volts
- Test the key fob
- Lock and unlock your car
- Confirm functionality
Why Regular Maintenance Matters
Regularly checking and replacing the battery in your key fob is crucial. It ensures that you won’t be caught off guard by a dead key fob battery, which can be inconvenient and frustrating. By following these simple steps, you can keep your BMW key fob in top working condition.
Frequently Asked Questions
What models use the trapezoid key fob?
The trapezoid key fob is used in BMW F-Series models from 2011 to 2017, including the 3 series, 5 series, 7 series, and X3.
What type of battery does the key fob use?
The BMW trapezoid key fob uses a CR2450 coin battery.
Can I use any tool to open the battery compartment?
Yes, you can use the key itself or a small Phillips screwdriver to open the battery compartment.
How often should I replace the key fob battery?
It’s a good idea to check the battery annually and replace it as needed to ensure the key fob functions properly.
What if my key fob still doesn’t work after replacing the battery?
If the key fob doesn’t work after replacing the battery, ensure the battery is seated correctly. If the issue persists, there may be a problem with the key fob, and you may need to consult a professional.
- Pack of 2 batteries
- Lithium coin batteries for watches and electronic devices
- Has a power of 3 volts
Conclusion
Replacing the battery in your BMW trapezoid key fob is a straightforward process that can be completed in just a few minutes. By following the steps outlined in this guide, you can ensure your key fob remains functional, providing you with peace of mind and convenience. Regular maintenance of your key fob is essential, and taking the time to replace the battery when needed will keep your BMW running smoothly.
For more detailed guides and tips on maintaining your BMW, stay tuned to our blog. If you have any questions or need further assistance, feel free to reach out. Happy driving!