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How to Replace a Dead BMW Key Fob Most BMW owners will require changing their key fob batteries at some point. It's a simple task that won't cost you a lot. The key fob is powered by the standard CR2032 battery that can be replaced at a hardware store, online, or even the local BMW dealership. Replacement Battery A dead key fob can be more than a pain to deal with, it can also be dangerous. You don't want up to your car, press the unlocking button, and you find that nothing happens. This is usually a sign that the battery inside your BMW key fob has died. This is a simple fix that you can do at home using a new battery. The first step is to identify the type of battery that is needed for your BMW key fob, which is the sleek slant or Comfort Access keys or a Smart Key CR2450. These batteries can be found in auto parts and hardware stores for less than $5 each. Once you have the right type of battery, it's a simple matter of swapping out the old battery with the new battery. After you have installed the new battery, be sure to seal each half of the key fob securely. Remove the blade made of metal from the BMW key fob. Utilize a valet or flat screwdriver to remove it and reveal the tiny port on the back. After that, you can remove it off the back and replace the batteries that have died. When you remove the key fob, you must be careful not to scratch the plastic. Wrapping a small amount of tape around the edge of the tool will help prevent any scratches. After replacing the battery, you are now able to reassemble your BMW key fob and test it. If your door locks and you can start the car, you have successfully reprogrammed your BMW key fob! If you are not able to do that, you will need to go through the owner's manual for your vehicle or go to an BMW dealer for assistance. Key Blade If you've lost your key fob or just want to replace the battery, there are a variety of places where you can purchase replacement BMW keys. Some online retailers offer discounts and free shipping, which makes them a great option for those who are on a tight budget. It is important to keep in mind that these prices do not include the cost to program the new key into your vehicle. Some BMW models include the “proximity-key” that allows the user to start or unlock the vehicle by pressing a button. Some BMW models have a metal “proximity key” hidden in the remote control, which must be inserted into ignition to start the car. Both kinds of BMW keys are a little different, however the procedure for replacing them is nearly identical. If the battery in your BMW key fob dies, you will not be able unlock your vehicle, or use Comfort Access if it is equipped. It's possible to replace the battery in a few easy steps. First, ensure that bmw 1 series key replacement and windows are shut. Locate the lock and unlock button on your working BMW Key Fob. Press and hold the lock button until you see the electronics inside the key fob switch on, but the engine stays off. Then, you can insert the new battery into the key fob and sync it within 30 seconds of syncing your original key. Smart Keys are available in numerous cars, including BMWs. They can be used to unlock and start a vehicle without the traditional key. These keys have transponders that transmit an individual code to the immobilizer system in the car. This prevents unauthorized key-cloning or starting. They are more expensive than standard key fobs as they require additional technology and programming. Some BMW models have an option called Summon that allows you to summon your vehicle from a garage or parking lot by pressing the button on your key fob. Although this feature isn't available in all models, it's a powerful feature that could save you from needing to call a taxi or fight off a thief while trying to get your car back. Start/Stop Button The new BMW key comes with an inbuilt push button which will start your car for you. This is a great option to save time and not have to get out of the car to get your keychain. The starter/stop button isn't difficult to use on a BMW key fob replacement. The first step is to ensure that the key fob is properly connected to your vehicle. Follow the instructions in this guide to do so. Once you have the right key fob in hand then it's time to program it to your BMW. The procedure to do this may differ based on the kind of key you have. This guide will explain how to program a key fob that displays on certain modern models. Older BMW models may need to be brought to our dealership to get the key fob programmed. Verify whether the key blade on the new key fob is working. You can test this by inserting it in the keyhole and pressing the lock and unlock buttons. If it works, the BMW iDrive system will ask you to assign a name on the key. After that, press the Start/Stop button in order to start your car. Next, you will need to set up an appointment with Patrick BMW to have the new key fob programmed. To confirm your identity, we need to see a valid driver's license as well as a copy the registration of your car. This information will allow us to determine the code needed for your key fob. You'll either have a key fob standard that doesn't require programming or a key-fob smart equipped with a transponder that requires more advanced technology. Once the key fob is programmed, you are able to start using it for your daily commute on the roads of Decatur. If you have lost your key fob you can contact our dealership for a repair that will disable the key fob within the system and prevent it from being used to unlock or start your car. This is a great way to protect yourself from theft if you are worried that your keys will be stolen by someone else. Programming You may have to reprogramme your replacement BMW keyfob if it has an updated battery, but does not function correctly. The service staff at our dealership in San Diego can help walk you through the steps to do this. Begin by inserting your working key into the ignition. Turn it quickly five times from position zero to one. Then, take the key from the ignition and press the unlock button (the BMW logo) on the new key. Within 30 seconds you can press the BMW logo three times. Release the unlock button and you will hear the doors locking and unlock automatically. The process for programming a replacement BMW key fob is similar to that for other BMW models, and should be completed in less than 30 minutes. Once you've finished you can start your engine and use the new key to start your car. It's important to replace your BMW key battery frequently. You should do so every year, or every month based on your lifestyle. It's cheap and simple to replace the battery in your key. The BMW key battery is available in an standard size and is available at most hardware stores, or even in the parts department of local dealerships. BMW cars are a status symbol. It makes you feel like you've arrived in Longmont when you drive your BMW. BMW owners must be aware that their luxury vehicle can break down like any other. It is a good idea to learn how to program a BMW key fob before you need it. Our service department in Princeton can provide two methods to reprogram your BMW X3. The first is when you already have a key working and you want to add a new one or the other if you are starting from scratch and do not have a key.