How to Replace a Dead BMW Key Fob
Almost every BMW owner will need to replace their key fob battery at some point. This is a simple task that won't cost you a fortune. The key fob uses the standard CR2032 battery and can easily be repaired at a hardware store or online, or a local BMW dealership.
Replacement Battery
A lost key fob could be more than an inconvenience; it could be a risk. The worst thing you could happen is to walk up to your vehicle, press the unlock button only to find that nothing happens. This is usually a sign that your BMW key fob battery has failed. Fortunately, this is a simple issue to fix at home using a replacement battery. The first step is to identify the type of battery the BMW key fob needs - either a C2450 (Smart Key) or a one of the CR2032 (Comfort Slant Keys with Access/sleek Shapes). These batteries can be found in hardware and auto parts shops for less than $5 each.
Once you have the correct type of battery, all that's left to do is swap out the old battery for the new one. Be sure to close the two halves of your key fob securely once you have inserted the new battery.
Remove the blade made of metal from the BMW key fob. Use a valet or flat screwdriver to remove it and reveal the tiny port at the back. Then, you can pop off the back and replace the batteries that have died. Be careful not to break the plastic surrounding the key fob when removing it. Wrapping a small piece tape around the edge of the tool will help prevent any scratches.
Once you have replaced the battery, you can rebuild your BMW key fob and test it. If your door locks and starts the car, you've successfully reprogrammed your BMW key fob! If you are not able to do this then you must check the owner's guidebook of your car or visit an BMW dealer for assistance.
Key Blade
There are numerous locations to purchase replacement BMW keys in case you've lost your key fob or simply want to replace your battery. Some online stores offer free shipping and reduced prices, making them a great alternative for those who are budget-conscious. However, it's important to keep in mind that these prices may not include the cost of programming the new key to your car.
Some BMW models come with the "proximity-key" that allows you to start or unlock the vehicle by pressing a button. Others have a metal key in the remote which must be put into the ignition to turn on the engine. Both kinds of BMW keys are slightly different, however the procedure for replacing them is identical.
If the battery in your BMW's key fob dies, you won't be in a position to unlock your car or use Comfort Access, if equipped. It's easy to replace the battery using some simple steps. First, make sure that your vehicle's windows and doors are closed. Locate the lock and unlock button on your BMW Key Fob. Press and hold the lock button until the electronic components inside the key fob turn on however the engine remains off. Then, you can insert the new battery into the key fob and sync it within 30 seconds of synchronizing your original key.
A lot of modern cars including BMWs come with Smart Keys that can unlock and start the vehicle without a traditional key. They are equipped with transponders, which transmit an individual code to the immobilizer system of the car. This blocks unauthorized key-cloning or even starting. They are more expensive than standard keys because they require additional programming and a different technology.
Some BMW models also have an extra feature, called Summon, which lets you press a button on the key fob and then get your car to come and take you away from a parking lot or garage. Although this feature isn't offered in all models, it's an impressive function that could help you avoid having to summon a taxi, or fight away a thief trying to get your car back.
Start/Stop Button
A brand new BMW key comes with an integrated push button that can start your car automatically. This feature is a fantastic method to save time and not have to get out of the car to use your keychain. However there is a little some extra work in using the stop/start button on an alternative BMW key fob. The first step is to make sure that the key fob is correctly paired to your vehicle. Follow the instructions in this guide to do so.
It is now time to set up the key fob to your BMW. The process will vary slightly according to the kind of key you have. Certain modern models have keys with a display that can be programmed by following the directions in this guide. However older BMW models might require a visit to our dealership for the key fob to be programmed.
Verify that the blade on the new key fob is functioning. You can test this by putting it into the keyhole, and pressing the lock and unlock buttons. If it works, BMW iDrive will ask you to give the key a name. Then, you can hit the Start/Stop button to start your car.
The next step is to make an appointment with Patrick BMW to have the new key fob programmed. To verify your identity, we will require a valid driver’s license and an original registration document for your vehicle. This will allow us to identify the code needed for your key fob. Depending on the model, you'll either have an ordinary key fob which does not require programming, or an intelligent key fob with a built-in transponder that requires more advanced technology to program.
Once the key fob has been programmed, you will be capable of using it for your daily commute to Decatur. You can also contact us in the event that you lose the key fob. We will disable it within the system to prevent it from being able to unlock or start your vehicle. This is a great method to protect yourself from theft if you are worried that your keys might be stolen by someone else.
Programming
If your replacement BMW key fob comes with a new battery but isn't functioning properly, you might have to reprogram it. Our service team in San Diego will guide you through the procedure. Start by inserting your working key into the ignition. Turn it five times quickly from position zero to position one. Then, remove the key from the ignition and hold down the unlock button (the BMW logo) on the new key. Within 30 seconds press the BMW logo three times. Then press the unlock button and you should hear the doors lock automatically and unlock.
The procedure for programming the replacement BMW keyfob is the exact same as it is for other BMW models. It will take less than 30 second to complete. Once you've finished you can start your engine and use the new key to start your car.
It is essential to replace the BMW key battery on a regular basis. You should do it every year, or every other month depending on your lifestyle. It's inexpensive and easy to change the key battery. The BMW key battery is available in an standard size and can be found at most hardware stores, or even in the bmw keys not working parts department of local dealerships.
Owning a BMW car is a status symbol, and it can feel like you've arrived drive down the streets of Longmont in your BMW. However, BMW owners need to be aware that their luxurious vehicle can fail just like any other. It's best to learn how to program a BMW remote control before you actually need it. Our service department in Princeton can provide two methods to reprogram your BMW X3. One method is when you have a working key, but want to add more and the second is for starting from scratch without a functioning key.