How to Replace a Dead BMW Key Fob
Most BMW owner will have to replace their key fob battery at some point in time. It's easy to do and won't cost you a fortune. The key fob runs on an ordinary CR2032 battery that can be replaced at a hardware store, online, or even the local BMW dealership.
Replacement Battery
A dead key fob is not just a problem to deal with, it can also be dangerous. You don't want to go towards your vehicle, press the unlocking button, and then discover that there is no response. This is usually a sign that the battery inside your BMW key fob is dead. This is a simple fix you can make at home with a brand new battery. First, you must identify the type of battery that is needed for your BMW key fob, which is a Comfort Access/sleek slant shape keys or a Smart Key CR2450. These batteries are easily found at hardware and auto parts stores for under $5 each.
Once new bmw key have the proper type of battery, it's simple to swap out the old battery with the new battery. Be sure to close the two halves of the key fob securely once you have inserted the new battery.
Remove the blade of metal from the BMW key fob. Utilize a valet, or a flat screwdriver to remove it and reveal the small port on the back. You can then pop off the back of the key fob to replace the battery that has died. Be careful not to scratch the plastic surrounding the key fob while removing it. Wrapping a small piece of tape over the top of the tool will help prevent any scratches.
After replacing the battery you should reassemble and test your BMW key fob. If your door locks and starts the car, you have successfully changed the programming of your BMW key fob! If you are not able to do that then you must consult the owner's manual of your vehicle or go to the BMW dealer for assistance.
Key Blade
If you've lost the key fob you have or need to replace the battery, there are plenty of locations where you can purchase replacement BMW keys. Some online retailers offer discounted rates and free shipping, which makes them a great option for drivers who are budget-conscious. However, it's important to remember that these prices may not include the cost of programming the new key to your car.
Certain BMW models are equipped with a "proximity key," which allows you to open or start the car with the press of the button. Certain BMW models include a metal "proximity key" concealed in the remote control that must be inserted into ignition to start the car. Both types of BMW keys are a bit different, but the procedure for replacing them is nearly identical.
If the battery in your BMW key fob dies and you lose it, you won't be able to unlock your vehicle, or use Comfort Access if it is equipped. It's simple to replace the battery with just a few steps. Make sure that the doors and windows of your vehicle are closed. Then, locate the unlock and lock buttons on your functioning BMW key fob. Press and hold the unlock button until the electronic on the key fob turn on, but the engine is off. Insert the new battery in the key fob, and sync the key within 30 seconds after having synced the original key.
Smart Keys are available in many cars today as well as BMWs. They can be used to unlock and start a vehicle without the traditional key. These keys are equipped with transponders that transmit an individual code to the immobilizer system in the car. This prevents unauthorized key-cloning or even starting. These keys are more costly than standard keys because they require additional programming and a different technology.
Some BMW models also have a special feature called Summon, which allows you to press a button on your key fob and then get your car to pick you up from a parking lot or garage. While this feature isn't available in all models, it's a powerful feature that could help you avoid having to summon a taxi, or fight off a thief while trying to get your car back.
Start/Stop Button

A new BMW key has an integrated push button that can start your car for you. This feature will save you time by not having to remove your keychain from your car. The starter/stop button is not easy to use on a BMW key fob replacement. The first step is to ensure that the key fob has been properly paired with your vehicle. This can be accomplished by following the steps laid out in this guide.
Once you have the right key fob in your possession, it is time to program it into your BMW. The process may differ according to the type of key you have. Certain modern models have keys with a display that can be programmed following the directions in this guide. However, older BMW models may require a visit to our dealer for the key fob to be programmed.
The process begins by ensuring that the new key fob has a working key blade. You can test this by putting it in the keyhole and pressing the lock/unlock buttons. If it works, BMW iDrive will ask you to give the key the name. After that, press the Start/Stop button to activate 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 require a valid driver’s license and the registration for your car. This information will allow us to identify the correct code for the key fob. Depending on the model, you'll either have an ordinary key fob that does not require programming, or a smart key fob that has a built-in transponder that will require more sophisticated technology to program.
Once the key fob is programmed, you can start using it to commute every day on the roads of Decatur. You can also contact us in the event that you lose your keyfob. We will remove it within the system to stop it from being capable of unlocking or starting your car. This is a great method to stop theft if are concerned that your keys will be stolen by someone else.
Programming
If the replacement BMW key fob comes with a new battery but isn't working properly, you may need to re-program it. Our service team in San Diego will guide you through the procedure. Start by inserting the working key into the ignition, turning it to position one and back to position zero in a rapid manner five times. Then, remove the key from the ignition and press the unlock button (the BMW Logo) on the new keys. In 30 seconds, you should press the BMW logo 3 times. Release the unlock button to hear the doors locking and unlock instantly.
The process of programming the replacement BMW keyfob is exactly same as for other BMW models. It should take less than 30 seconds to complete. After you've completed it you are able to turn on your engine and use the new key to start your car.
It is essential to replace the BMW key battery regularly. It is recommended to do this once a year, or every two months based on your lifestyle. Change the battery of your key is simple and affordable. The BMW key battery is a standard size and you can find it at most hardware stores or even in the parts department at your local dealership.
BMW vehicles are a status symbol. It makes you feel like you've arrived in Longmont when you drive your BMW. However, BMW owners need to be aware that their expensive vehicle can fail just like any other. It is a good idea to learn how to program your BMW key fob prior to the time you'll require it. Our service department at Princeton will show you how to reprogram your BMW X3. The first is when you already have a key working and you want to add a new one, and the second is when you are starting from scratch and don't have a key.