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The Benefits of a BMW 3 Series Key Fob The BMW Display Key is a key fob that includes a full-color touchscreen. It has a range of useful features that can be accessible by a swipe of a finger. Most standard BMW key fobs are able to withstand day-to-day humidity levels, so putting it in your pocket during a rainy day is unlikely to cause damage. But it is crucial to ensure that your battery is up-to-date. Keyless Entry A BMW key fob is so much more than a way to unlock your vehicle or start it. bmw replacement key 's also an effective security device that protects both your vehicle and its contents against theft. It's therefore important to keep the BMW key fob charged and in sync with your car. Place it in a secure place when it's not in use to prevent it from getting lost or stolen. You'll almost certainly have to replace your BMW key fob battery at some point in its lifecycle. The process is easy. First find the ignition switch on your BMW key fob and make sure that it is turned off. Remove the key fob and carefully remove the battery. Replace it with a fresh one (size CR2032) and then reinsert the key fob cover. Press and hold the lock key until you hear a click (without turning off the engine). Once you do that the doors will automatically unlock and lock, indicating that your BMW key fob has been programmed to your vehicle. You might also be able to use the Comfort Access feature on your BMW that lets you open and close it with a keyfob or smartphone. To enable this feature, you will need an iPhone compatible with the Apple Wallet application. Once you've got these things then simply place your iPhone into the Smart Key Tray in your BMW and follow the instructions in the Wallet app. The same method can be used to program a replacement or additional key fobs however you'll need to disable the existing ones first. Keep your BMW key fob out of water because it could damage the touchscreen. It is also important to avoid exposing it to direct sunlight since the display could be permanently damaged by prolonged exposure to UV light. If you're worried about your BMW key fob getting hacked or cloned, you should be aware that the security of this device has been designed into it. A sophisticated system ensures that your vehicle only unlocks when it receives a unique identification signal, which is constantly changes. Smart Keys A key fob that is equipped with Smart Keys functionality is able to unlock your car and allow it to start without the requirement of a separate key or smartphone. You can use your smartphone's app to keep track of who has was in your car at the time of. You can download the app on your smartphone's app stores or sign in via the BMW Connected App. Once you've logged in, you'll be able to check who has access to the area and modify any restrictions that might be in place. If you've got Smart Keys on your key you can use them to unlock the doors of your BMW remotely and make use of Comfort Access features such as automatically locking the door when you come close. You can use the app to set the parking brake. You can also control some functions on your vehicle using the app, for example, adjusting your music volume or setting your climate controls. The internal key blade of the key fob is of standard key size. You can use it to unlock doors by hand as well as with Comfort Access. The key is waterproof, so you don't have to worry about it accidentally getting wet. It is recommended not to expose the key to direct sun or extreme heat since it can overheat. Follow these steps to program your BMW keyfob so that it works with the application on your phone. First, ensure that your smartphone is compatible with the Digital Key feature. Then, you'll have to download the BMW Connected App and sign into your iCloud account. Next, you'll need to place your iPhone in the tray for your smartphone and follow the instructions to activate the BMW Digital Key. You can easily replace the CR2032 battery in your BMW keyfob by removing its backplate. Be careful when prying off the backplate since it's bonded by glue. If you're not sure about doing it yourself, you could always call a professional automotive locksmith for help. Proximity keys Proximity keys are a recent evolution of keyless car entry systems. They do not require physical contact but instead rely on a proximity detector to identify the key. This enables the driver to open doors and even start the car. This is a convenient method however, it also poses some security risks. A major issue is that, like smartphones and laptops they are also susceptible to being stolen. Criminals are able to steal the system and transmit the identification signal to a person who is nearby or use a simple signal amplifier to receive the signal. To stop this, some drivers choose to keep their key fob in a signal-blocking pouch or cover. Another problem is when drivers do not switch off their car prior to leaving. If you leave your vehicle running at the shop or place it in a cup holder it could start to run and cause carbon monoxide or theft. Many drivers forget to put their keys in the ignition when they park at home, assuming that the vehicle is off. This could lead to theft or, in the case of a hybrid vehicle, carbon monoxide poisoning while the family is asleep. Additionally, if your key fob is lost or its battery goes out unexpectedly, the car won't start even if you've got the key to open the door. It is essential to always keep a spare key or a smart key duplicated so you or a trusted person can access your vehicle in case of emergency. These problems can be avoided by taking the appropriate precautions. You can lower the risk that proximity keys can cause problems by being more aware of the location you keep your key fob, and making sure it's off and locked before you leave the car. BMW's most advanced fob is the Display Key, which comes with a touchscreen display. This innovative key may be a bit more vulnerable to theft than standard BMW fobs, but it is still more secure. The best way to secure your brand-new BMW Display Key is to treat it as an iPhone and keep it out of water. Remote Start If you have a BMW equipped with Remote Start you can use your key fob or BMW Connected App to start your car prior to getting into. This lets you warm your car up on cold Decatur mornings, or cool your vehicle during Pekin commutes. If your BMW did not come with Remote Start, you can add it by buying an OEM kit from our parts center and scheduling the service at your convenience. Most BMW key fobs come with a removable key blade as well as electronic control modules, which means that you can make an emergency copy of your key pressing the button located at the base of the fob. This is useful if your fob gets soaked or if you're not near a locksmith. Some people keep a spare car key on their wallets to permit family members to gain access to their vehicles without having to contact our dealership to request Comfort Access or keyless entry. The standard BMW key fob is very resistant to moisture, which means it's able to stand up to an afternoon in the rain or a trip to the washing machine. The BMW Display Key with touchscreen however, is more fragile and should not be left in water for too long. BMW key fobs hold up to three driver profiles, which means you can modify your vehicle's settings based on the keys you have with you. The iDrive system unlocks the correct fob, which then set all the relevant settings for the profile, including seat position and radio presets. If you decide to change drivers, you must simply press the lock button on the fob's key twice in one row. If your BMW key fob isn't working correctly, you'll have to change the battery (a size CR2032) inside. Remove the cover of the fob and then remove the battery, then insert the new one with care. You can purchase a new BMW key battery in our parts department, or you can order a new one online. If your key fob is equipped with Comfort Access, you will be required to disable the feature and program the vehicle to erase your current key profile before you pair it with a different.