Introduction to Key Fob Battery Replacement
Replacing the battery in your BMW X1 key fob is an essential maintenance task that ensures the continued functionality of your vehicle’s remote features. This guide will walk you through the process of replacing the battery in a non-comfort access key fob for the BMW X1, model years 2009 to 2015.
- Battery Model: VL2020
- Please compare the leg position carefully,this battery is 90 degrees leg
- it is a Rechargeable battery
Identifying Your Key Fob Type
The first step in replacing your key fob battery is to determine whether you have a comfort access or non-comfort access key fob. Comfort access allows you to unlock your car by simply grabbing the handle. To identify your key fob type, look at the back of the fob. A comfort access key will have a rectangular section that looks like it can be popped off. If your key fob lacks this feature, it is a non-comfort access key.
Preparing for Battery Replacement
Before starting the battery replacement process, gather the necessary tools and materials. You will need:
- Box cutter or similar tool
- Soldering iron
- Desoldering vacuum
- New VL2020 battery with 90-degree offset legs
- Superglue
You can purchase a VL2020 battery from various online retailers.
Removing the Valet Key
Start by pulling out the valet key from the key fob. This will expose the edges of the fob, which you will need to score to separate the two halves.
Scoring the Key Fob
Using a box cutter, carefully score around the edges of the key fob. This process may take several minutes and requires patience. The goal is to cut through the layer that holds the fob together, allowing you to access the internal circuit board.
Accessing the Circuit Board
Once you have successfully scored the edges, you can separate the key fob into two pieces. This will reveal the internal circuit board and the VL2020 battery that needs to be replaced.
Desoldering the Old Battery
The VL2020 battery is attached to the circuit board at two points, known as the battery legs. To remove the old battery, you will need to desolder these points. Heat up your soldering iron and use a desoldering vacuum to remove the solder from the battery legs.
Installing the New Battery
After removing the old battery, align the new VL2020 battery’s legs with the points on the circuit board. Ensure you have a battery with 90-degree offset legs for proper alignment. Solder the new battery’s legs to the board, securing it in place.
Reassembling the Key Fob
With the new battery installed, place the circuit board back into the key fob casing. Use superglue to secure the edges of the fob, ensuring a snug fit. Allow the glue to dry before using the key fob.
Testing the Key Fob
Test the key fob to ensure it is functioning correctly. The new battery should restore full functionality to your remote features.
- Battery Model: VL2020
- Please compare the leg position carefully,this battery is 90 degrees leg
- it is a Rechargeable battery
Additional Resources
For more information on BMW X1 key fob battery replacements, visit this page.
FAQ
What tools do I need for the battery replacement?
You will need a box cutter, soldering iron, desoldering vacuum, new VL2020 battery, and superglue.
How do I know if my key fob is comfort access?
Comfort access key fobs have a rectangular section on the back that looks like it can be popped off.
Where can I buy a new VL2020 battery?
You can purchase a VL2020 battery from various online retailers.
- Battery Model: VL2020
- Please compare the leg position carefully,this battery is 90 degrees leg
- it is a Rechargeable battery
How long does the battery replacement process take?
The entire process can take around 30 minutes, depending on your experience with soldering.
Can I replace the battery without soldering?
No, the VL2020 battery is soldered to the circuit board and requires desoldering and resoldering for replacement.
What if my key fob is still not working after replacing the battery?
If the key fob is not working after replacing the battery, double-check the soldering connections and ensure the battery is properly seated. If issues persist, consult a professional.