how to replace the battery in my BMW X3 G01 key fob

Solution

1. Preparation

• Gather necessary tools: a small flathead screwdriver and a replacement battery (CR2032).
• Ensure you are in a well-lit area to work on the key fob.

2. Open the Key Fob

• Locate the small slot on the side of the key fob.
• Insert the flathead screwdriver gently into the slot and twist to pry open the key fob.
• Carefully separate the two halves of the fob without damaging the casing.

3. Remove the Old Battery

• Take note of the battery orientation (positive side up).
• Gently lift the old battery out of the compartment using your fingers or the screwdriver.

4. Install the New Battery

• Insert the new CR2032 battery into the compartment, ensuring the positive (+) side is facing up.
• Press down gently to secure the battery in place.

5. Reassemble the Key Fob

• Align the two halves of the key fob.
• Press them together firmly until you hear a click, indicating they are securely closed.

6. Test the Key Fob

• Stand near the vehicle and press the buttons on the key fob to ensure it is functioning correctly.
• If the key fob does not work, double-check the battery orientation and ensure it is seated properly.