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How to Replace a Dead BMW Key Fob Most BMW owners will require changing their key fob batteries at some time. Luckily, this is simple to do and won't cost you a lot. The key fob runs on an ordinary CR2032 battery and can easily be repaired at a hardware store online, or the local BMW dealership. Replacement Battery A lost key fob is not just a problem to deal with, it can also be dangerous. You don't want towards your vehicle, press the unlock button, only to you find that nothing happens. This usually means that the battery inside your BMW key fob has died. Luckily, this is easy to fix at home by using the replacement battery. First, new bmw key must decide which type of battery is needed for your BMW key fob – an elegant slant-sleek shape with a Comfort Access keys or a Smart Key CR2450. bmw spare key can be found in auto parts and hardware shops for less than $5 per. If you have the correct type of battery, it's simple to swap out the old one with the new battery. Be sure to close the two halves of your key fob securely after inserting the new battery. Before starting taking the key blade from your BMW key fob first, then utilize a valet key, or a small flat screwdriver to open it up and reveal the tiny access port on the back of the fob. Then, you can take it off the back and replace the dead batteries. When you remove the key fob, make sure you are careful not to scratch the plastic. Wrapping a small piece tape over the end of the tool will aid in preventing scratches. After replacing the battery, you can now reassemble your BMW key fob and test it. You have successfully reprogrammed the BMW key fob, if your door locks and your car starts. If you are not able to do this then consult the owner's manual of your car or visit a BMW dealer for help. Key Blade Whether you've lost your key fob or need to replace the battery, there are several locations where you can purchase replacement BMW keys. Some online retailers offer discounts and free shipping, which makes them an excellent choice for budget-conscious drivers. But, it's important to keep in mind that these prices might 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 car by pressing the button. Certain BMW models include a metal “proximity key” hidden inside the remote control that must be inserted into the 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 inside your BMW key fob is dead in the process, 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 some simple steps. First, ensure that your vehicle's doors and windows are shut. Then, locate the lock and unlock buttons on your functioning BMW key fob. Press and hold the unlock button until the electronic inside the key fob come on, but the engine remains off. Finally, insert the new battery into the key fob and then sync it within 30 seconds of sync your original key. A large number of cars today including BMWs come with Smart Keys that can unlock and start the vehicle without a traditional key. These keys are equipped with transponders that transmit a unique code to the immobilizer system of the vehicle. This blocks unauthorized key-cloning or starting. These keys are more expensive than standard key fobs as they require additional technology and programming. Certain BMW models also have an extra feature, called Summon, which allows you to press a button on your key fob to summon your car to come and take you away from a parking lot or garage. Although this feature isn't available in all models, it's a great feature that could save you from having to call a taxi or fight away a thief trying to get your car back. Start/Stop Button A brand new BMW key has a built-in push button which can start your car for you. This feature could save you time by not having to remove your keychain from your car. However there is a bit of extra work involved 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 steps in this guide to ensure that it is. It is time to program the key fob to your BMW. The process for this may differ based on the kind of key you have. Some modern models come with keys with a display that can be programmed following the directions in this guide. However older BMW models might require a visit to our dealership for the key fob to be programmed. The process begins by checking that the new key fob is working key blade. You can test this by placing it into the keyhole, and pressing the lock/unlock buttons. If it works, the BMW iDrive system will ask you to put a name to the key. After that, press the Start/Stop button in order to start your car. You will then need to schedule an appointment with Patrick BMW to program the new key fob. To verify your identity, we need to see an official driver's license and a copy the registration of your vehicle. This will enable us to determine the key code required for your key fob. Depending on the model, you will either have a standard key fob that requires no programming or an intelligent key fob with an integrated transponder that requires more sophisticated technology to program. Once the key fob is programmed, you can start using it to commute every day along the Decatur roads. You can also contact us in the event that you have lost your keyfob. We will remove it in the system to prevent it from being in a position to unlock or start your car. If you are concerned that your keys could get lost to the wrong person this is a great solution to stop theft. Programming If the replacement BMW key fob comes with an upgraded battery, but isn't functioning properly, you might require reprogramming it. Our service team in San Diego will guide you through the process. Start by inserting the working key into the ignition and changing it from position one and back to zero quickly five times. Then remove the key from the ignition and press the unlock button (the BMW Logo) on the new keys. Within 30 seconds press the BMW logo three times. Finally, release the unlock button, and you should hear the doors lock automatically and unlock. The programming process for the replacement BMW keyfob is exactly same as it is for other BMW models. It is expected to take less than 30 seconds to complete. Once you've finished, you can turn on your engine and use the new key to start your car. It is crucial to replace your BMW key battery on a regular basis. You should replace the battery in your BMW key at least once a month, depending on how you live. It is cheap and easy to replace the battery in your key. The BMW key battery is the standard size and can be found in most hardware stores or in the parts department of local dealerships. BMW automobiles are considered to be a status symbol. It makes you feel like you've arrived in Longmont when you drive your BMW. BMW owners should be aware that their luxury vehicle can break down like any other. It is recommended to learn how to program a BMW remote control before you actually need it. Our service department at Princeton will show you how to reprogram your BMW X3. One method is if you have a working key, but want to add more, and the other is to start from scratch with no working key.