Looking to change the key battery in your BMW 5 Series? You’ve come to the right place! In this article, we’ll guide you through the step-by-step process of replacing the battery in your BMW 5 Series key. Don’t worry, it’s easier than you might think, and with our helpful instructions, you’ll have your key battery changed in no time. So let’s dive right in and learn how to change the BMW 5 Series key battery.
How to Change BMW 5 Series Key Battery: A Step-by-Step Guide
If you own a BMW 5 Series and your key fob is starting to have trouble unlocking or starting your car, it may be time to replace the battery. Changing the key fob battery is a simple maintenance task that you can do at home, saving you both time and money. In this article, we will provide you with a step-by-step guide on how to change the BMW 5 Series key battery.
Gather the Necessary Tools
Before you begin, gather the following tools and materials:
- Small flathead screwdriver
- Replacement battery (CR2450)
It’s essential to use the correct battery, so be sure to check the specifications for your specific key fob model.
Step 1: Locate the Battery Compartment
To begin, find the battery compartment on your BMW 5 Series key fob. The location may vary depending on the key fob model, but it is usually on the back of the key fob.
Step 1.1: Flip the Key Fob
Gently flip the key fob over to expose the backside, where you will find the battery compartment.
Step 1.2: Identify the Battery Cover
Look for a small rectangular or oval-shaped cover on the back of the key fob. This cover is typically made of plastic and may have a small notch or groove for easy removal.
Step 2: Remove the Battery Cover
Using the small flathead screwdriver, carefully pry open the battery cover. Apply gentle pressure to lift the cover, being cautious not to damage the key fob or surrounding components.
Step 3: Take Out the Old Battery
Once the battery cover is removed, you will see the old battery inside the compartment. Use your finger or the flathead screwdriver to carefully lift the old battery and remove it from the key fob.
Step 4: Insert the New Battery
Take the new CR2450 battery and align it with the key fob’s battery compartment. Ensure the positive (+) side of the battery is facing up.
Step 4.1: Press the Battery Down
Gently press the new battery down into the compartment, making sure it is securely in place. You should feel a slight click when the battery is properly seated.
Step 5: Replace the Battery Cover
Once the new battery is inserted, it’s time to replace the battery cover.
Step 5.1: Align the Cover
Position the battery cover over the compartment, aligning it correctly with the key fob.
Step 5.2: Press the Cover In
Apply gentle pressure to snap the battery cover back into place. Ensure all edges of the cover are flush with the key fob, indicating it is securely fastened.
Step 6: Test the Key Fob
After replacing the battery cover, it’s essential to test the key fob to ensure the new battery is functioning correctly.
Step 6.1: Stand Near Your BMW
Stand near your BMW 5 Series with the key fob in hand.
Step 6.2: Lock and Unlock the Doors
Press the lock button and then the unlock button on the key fob. Check that the doors lock and unlock as expected and that the key fob is working properly.
Step 6.3: Start the Engine
Insert the key fob into the ignition and start the engine. Ensure the key fob is detected and allows you to start the car without any issues.
Step 7: Dispose of the Old Battery
Properly dispose of the old battery in accordance with local regulations. Many electronic stores or recycling centers accept old batteries for safe disposal.
Tips and Precautions
Here are some additional tips and precautions to keep in mind when changing the key battery in your BMW 5 Series:
- Always use the correct battery type as specified for your key fob model.
- Handle the battery with care and avoid touching the battery terminals to prevent damage or interference.
- If you are unsure about any step in the process, refer to your vehicle’s owner’s manual or seek assistance from a qualified professional.
- Regularly check the battery life of your key fob and replace it as needed to ensure reliable operation.
Changing the BMW 5 Series key battery is a straightforward task that can be done at home with minimal tools. By following this step-by-step guide, you can easily replace the battery in your key fob and restore its functionality. Remember to use the correct battery type, handle the battery with care, and test the key fob after the replacement. By maintaining a properly functioning key fob, you can enjoy hassle-free access and operation of your BMW 5 Series.
Frequently Asked Questions
How do I change the key battery on my BMW 5 Series?
To change the key battery on your BMW 5 Series, you can follow these steps:
What type of battery does the BMW 5 Series key use?
The BMW 5 Series key typically uses a CR2450 battery. It is a common lithium coin cell battery that can be easily found at most electronic stores.
Where can I find the battery compartment on the BMW 5 Series key?
The battery compartment on the BMW 5 Series key is usually located on the backside of the key. Look for a small groove or recess where you can insert a flat tool, such as a coin or a small screwdriver, to open the compartment.
How do I open the battery compartment on the BMW 5 Series key?
To open the battery compartment, insert a flat tool, such as a coin or a small screwdriver, into the groove or recess located on the backside of the key. Apply gentle pressure and twist the tool to unlock and open the compartment.
What precautions should I take when changing the BMW 5 Series key battery?
When changing the battery, it is important to avoid touching the electronic components inside the key to prevent any damage. Ensure your hands are clean and dry before handling the battery and key. Additionally, make sure to insert the new battery in the correct orientation.
Do I need to reprogram the BMW 5 Series key after changing the battery?
In most cases, you do not need to reprogram the BMW 5 Series key after changing the battery. However, if you experience any issues with the key’s functionality after battery replacement, it is recommended to consult your BMW dealership or refer to the owner’s manual for troubleshooting steps.
Final Thoughts
Changing the BMW 5 Series key battery is a straightforward process that can be done at home. To start, remove the key blade by pressing the button and sliding it out. Next, use a small flat-head screwdriver to gently pry open the casing. Replace the old battery with a new CR2032 coin cell battery. Then, carefully snap the casing back together and reinsert the key blade. Finally, test the key to ensure it is functioning properly. By following these steps, you can easily change the BMW 5 Series key battery and continue enjoying your driving experience.