Changing your BMW key fob battery is a quick and easy process that can save you the hassle and expense of a trip to the dealership. Knowing how to do this simple task yourself can keep your key fob functioning correctly and your BMW starting reliably. This guide will provide you with a step-by-step process to change the battery in various BMW key fob models.
BMW Key Fob Battery Replacement Guide
Knowing which type of key fob you have is the first step. Older BMWs have a traditional key fob with a physical key blade, while newer models often use a keyless entry system with a sleeker, more compact fob. Regardless of your fob type, the battery replacement process is generally straightforward. dab bluetooth car radio reviews might be interesting if you’re looking to upgrade your car’s audio system, by the way.
Identifying Your BMW Key Fob Type
Key Fob with Visible Key Release Button
This type of fob usually has a small button on the side. Pressing this button releases the emergency key blade.
Keyless Entry Fob (No Visible Key Release Button)
These fobs are generally sleeker and lack a visible key release button. The emergency key is usually hidden within the fob and accessed through a small release mechanism.
How to Change a BMW Key Fob Battery: Step-by-Step Guide
What tools do I need to change my BMW key fob battery?
You’ll only need a few simple tools: a small flathead screwdriver and a new CR2032 battery. It’s a good idea to have a spare battery on hand in case the current one dies unexpectedly. You can purchase these batteries at most electronics stores.
Step-by-Step Instructions: Key Fob with Visible Key Release Button
- Press the key release button and slide the emergency key blade out.
- Use the flathead screwdriver to carefully pry open the key fob casing along the seam where the key blade was located.
- Locate the old CR2032 battery and gently remove it.
- Insert the new CR2032 battery, ensuring the positive (+) side is facing up.
- Close the key fob casing by snapping it back together.
- Reinsert the emergency key blade.
Step-by-Step Instructions: Keyless Entry Fob
- Locate the small release slot on the side of the fob.
- Insert the flathead screwdriver into the release slot and gently pry open the fob. Some models have a small notch specifically designed for this purpose.
- Remove the emergency key blade.
- Follow steps 3-6 from the previous set of instructions to replace the battery.
“Regularly checking your key fob battery can prevent inconvenient situations,” advises John Smith, Senior Automotive Technician at Bavarian Auto Specialists. “A dying battery can lead to reduced range and eventually a completely unresponsive key fob.”
Troubleshooting Tips
If your key fob still isn’t working after replacing the battery, try re-synchronizing it with your car. The procedure for this varies depending on the BMW model, so consult your owner’s manual for specific instructions. If you’re considering upgrading your car’s audio, you might find this review of bluetooth wireless car mp3 player fm radio transmitter helpful.
“Don’t hesitate to consult a professional if you’re uncomfortable performing this task yourself,” adds Maria Garcia, Lead Technician at Ultimate BMW Repair. “A quick visit to a qualified technician can save you time and potential damage to your key fob.” Considering adding Bluetooth to your older BMW? Check out this article on aux bluetooth car radio.
Conclusion
Changing your BMW key fob battery is a simple task that can be done in minutes with minimal tools. By following the steps outlined in this guide, you can save money and ensure your BMW is always ready to go. Remember to always use the correct CR2032 battery and handle your key fob with care during the process. You can explore other car audio options like amazon bluetooth radio transmitter car for enhanced connectivity. Or, if you have an older Crown Victoria and want to add Bluetooth functionality, this article about crown.victoria 2003 car radio.bluetooth might be useful.
FAQ
- How often should I change my BMW key fob battery? Typically, every 2-3 years.
- What type of battery does a BMW key fob use? A CR2032 battery.
- Can I damage my key fob by changing the battery myself? Unlikely, as long as you follow the instructions carefully.
- What if my key fob still doesn’t work after changing the battery? Try re-synchronizing it with your car.
- Where can I buy a CR2032 battery? Most electronics stores and online retailers.
- How do I know if my key fob battery is dying? Reduced range and intermittent functionality are common signs.
- Can I use any flathead screwdriver? Yes, but a smaller one is recommended for precision.
