Experiencing a finicky key fob for your 2014 BMW 335i? Before you schedule a trip to the dealership, a dead key fob battery might be the culprit. Luckily, replacing it is a task you can easily handle at home with just a few minutes and some basic tools.
Signs You Need a New Key Fob Battery
Key fobs don’t always give you a flashing warning light before they die completely. Here are some common signs that your 2014 BMW 335i key fob battery needs replacing:
- Decreased Range: You find yourself standing closer and closer to your car to get it to unlock.
- Intermittent Functioning: Sometimes the key fob works perfectly, and other times it seems completely dead.
- Slow Response: There’s a noticeable lag between pressing a button on your key fob and the car responding.
- Dashboard Warning: Your BMW may display a “Key Battery Low” message on the instrument cluster.
What You’ll Need for a 2014 BMW 335i Key Fob Battery Replacement
The good news is that you don’t need a mechanic or any fancy equipment. Here’s what you’ll need:
- New Battery: A CR2032 battery (easily found at most grocery stores, pharmacies, and online retailers)
- Small Flathead Screwdriver: Or a plastic pry tool to avoid scratching your key fob.
How to Replace Your 2014 BMW 335i Key Fob Battery: A Step-by-Step Guide
Replacing the battery in your 2014 BMW 335i key fob is a breeze. Just follow these easy steps:
- Locate the Release Button: On the back of your key fob, you’ll find a small, rectangular button. This is the release button for the emergency key blade.
- Remove the Emergency Key Blade: Press the release button and gently slide out the emergency key blade.
- Open the Key Fob: With the key blade removed, you’ll see a small slot. Insert your flathead screwdriver (or pry tool) into the slot and gently twist to separate the two halves of the key fob.
- Replace the Battery: Carefully remove the old CR2032 battery and insert the new one, ensuring the positive (+) side faces up.
- Reassemble the Key Fob: Align the two halves of the key fob and press them together firmly until you hear a click.
- Reinsert the Emergency Key Blade: Slide the emergency key blade back into its slot until it locks in place.
And you’re done! Test your key fob to ensure it’s working properly.
“Many people don’t realize how simple this process is,” says Mike Alvarez, a senior BMW technician at Bavarian Autohaus. “Replacing your own key fob battery can save you a trip to the dealership and keep your BMW running smoothly.”
Frequently Asked Questions about 2014 BMW 335i Key Fob Battery Replacement:
Q: How long do BMW key fob batteries last?
A: On average, a BMW key fob battery can last anywhere from 3 to 5 years. However, factors like usage and environmental conditions can affect its lifespan.
Q: Can I use any CR2032 battery for my key fob?
A: It’s always best to use a high-quality CR2032 battery from a reputable brand to ensure optimal performance and longevity.
Q: What if I replace the battery and my key fob still doesn’t work?
A: If your key fob continues to malfunction after a battery replacement, there could be another issue, such as a faulty key fob or a problem with your car’s keyless entry system. In this case, it’s best to consult a qualified BMW technician for further diagnosis.
Need More Key Fob Help?
We’re here to be your go-to resource for all things Key Fob related. Explore more helpful articles, tips, and tricks on KeyFobX.com. If you have any further questions or need assistance, don’t hesitate to reach out to our 24/7 customer support team via WhatsApp: +1(641)206-8880 or Email: [email protected].
Leave a Reply