Introduction
In this guide, I’ll walk you through the process of replacing the key fob battery for BMW 5 Series models from 2011 to 2017. This includes various models such as the 520i, 528i, 518d, 523i, and more. The procedure is straightforward and requires minimal tools.
- Pack of 2 batteries
- Lithium coin batteries for watches and electronic devices
- Has a power of 3 volts
Tools Needed
Before we start, let’s gather the necessary tools. You only need a few items to get the job done efficiently:
- CR2450 Coin Battery
- Small Flat-head Screwdriver
- Optional: Journal Clubs
Step-by-Step Guide
Replacing the battery is a simple process. Follow these steps to ensure your key fob is back in working order:
Step 1: Flip to the Back Side
First, take your key fob and flip it to the back side. You’ll notice a button on the long side of the key fob. This button is crucial for removing the key portion of the fob.
Step 2: Remove the Key
Press the button to release the key. The key should slide out easily. Set it aside as you’ll need it for the next step.
Step 3: Access the Battery Compartment
With the key removed, you’ll see two small holes on the side of the fob. Insert the key into one of these holes and gently pop off the back cover. This will expose the battery compartment.
Step 4: Remove the Old Battery
Now that you have access to the battery, use a small flat-head screwdriver to carefully pry the old battery out. Be gentle to avoid damaging the compartment. If you don’t have a screwdriver, a journal club or any thin object will work.
Step 5: Insert the New Battery
Take your new CR2450 coin battery and place it into the compartment. Ensure the battery is positioned correctly with the positive side facing up.
Step 6: Reassemble the Key Fob
Once the new battery is in place, snap the back cover back onto the fob. Make sure it clicks into place securely. Finally, reinsert the key into its slot.
- Pack of 2 batteries
- Lithium coin batteries for watches and electronic devices
- Has a power of 3 volts
Tips for a Smooth Replacement
Here are some additional tips to make the battery replacement process even smoother:
- Work in a well-lit area
- Keep a small container for screws
- Use gentle pressure to avoid damage
FAQs
What type of battery do I need?
The key fob for BMW 5 Series (2011-2017) uses a CR2450 coin battery.
How often should I replace the battery?
Typically, the battery should last around 2-3 years. However, if you notice a decrease in range or responsiveness, it’s time to replace it.
Can I use a different type of battery?
No, it’s essential to use the specified CR2450 battery to ensure proper functionality.
What if my key fob still doesn’t work after replacing the battery?
Double-check to ensure the battery is installed correctly. If issues persist, consult your car’s manual or contact a professional.
Where can I buy the battery?
You can purchase the CR2450 coin battery from most electronic stores or online retailers like Amazon.
- Pack of 2 batteries
- Lithium coin batteries for watches and electronic devices
- Has a power of 3 volts
Conclusion
Replacing the key fob battery for your BMW 5 Series is a quick and easy task. With just a few tools and a bit of patience, you can have your key fob working like new. Remember to always use the recommended CR2450 coin battery and follow the steps carefully to avoid any issues.
Additional Resources
For more detailed guides and resources, you can visit Key Fob Replacement. They offer comprehensive information on various models and key fob types.