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Hidden Functions of a BMW Key Fob If you own a BMW most likely, you are familiar with how to lock and unlock your car using the fob of your key. BMW fobs may have some hidden functions that you may not be aware of. Here are some helpful tips on how to make use of your BMW key fob. Some of these tricks require no technical expertise while others are more difficult. Security A BMW key fob has embedded computer chips that is linked to a code in the car's security module. This prevents unauthorized vehicle access. This can also help ensure your vehicle's security by preventing the engine from starting without authorization. The system is constantly changing to stay ahead of possible threats. The system has also added driver profiles to your fob. Each profile has a set of personal settings for radio presets, as well as seat position. These features offer security for those who are concerned about their car being stolen. There are still thieves who find ways to bypass the security features of keyless systems. A recent video shows a BMW 1M being taken without keys in less than three minutes. In this case, the thieves made use of a special relay device to hack into the identification signal that the keyfob sends out to the car. BMW key fobs employ a rolling code to shield the car from unauthorized cloning as well as other relay attacks. They also use a unique algorithm to make sure that only authorized users are allowed to use them. Furthermore the BMW key fob comes with an electronic key that is powered by a battery. This makes it harder for criminals to break. For these reasons, BMW key fobs are among the most secure and convenient choices for car owners. Additionally they are more affordable than mechanical keys. BMW key fobs, in contrast to traditional keys, can be programmed to work with various vehicles. A BMW key fob can be improved in security with an electronic immobilizer. This feature turns off the starter motor if the key is not in range. It also has an anti-theft function that stops the car from starting if the wrong password is entered into the keyfob iDrive system. Another security measure to consider is a button that is located on the back of the BMW key fob. It can also be used in an emergency situation for instance, when the car's door is locked. Similarly, this button can be used to activate an automatic backup system in the event that the BMW's automatic lock fails to engage. Convenience BMW cars are among the most expensive in the market, however they include a number of convenience features. In addition to locking and unlocking your car it is possible to make use of your key fob to control your windows, deactivate BMW sensors and even start the engine. The key fob can perform a number of useful functions. However, it's easy to overlook some of the most interesting ones. If you own a more modern BMW, you can use the key fob to control your trunk and exterior mirrors, fold them, and turn on the lights. If you're a business owner, this feature is especially helpful since it lets you monitor your company vehicle from any location at any time. The key fob is equipped with a touch-sensitive screen that displays important information, including the vehicle's battery status and remaining range. This is a great feature, especially if have a long commute, and often run out of gas or leave your car unattended for long periods of time. You can avoid expensive car repairs by using your key fob as a gauge for checking the battery and gas levels. A bmw keyfob can also be used as a GPS inside the car. If you program it with the location of your choice, it can automatically start navigation to that location once the key is hit. This feature is great for long journeys, or when traveling with a group of friends. You can also make use of the key fob to start the engine or turn on the car's air conditioning, making it a convenient way to keep your vehicle at a comfortable temperature during a road journey. You can program multiple BMW keys to work together. It's simple first, ensure that your key fob is working. Put the key into the ignition, and quickly change it from zero to one five times. Once the syncing is completed you will hear the doors locking and unlocking. Take the key off and repeat the steps for any other keys you wish to connect to your vehicle. Versatility If you have a BMW vehicle, chances are that it has an innovative keyless entry system. These systems let you lock and unlock your vehicle without the need to take out the traditional key. You can also start your car by tapping the fob against the special sensor mounted close to the engine. You'll want to ensure that your BMW key fob is as secure as possible. It will be more secure if it is kept in a safe place that cannot be stolen. It is also possible to shield it from water. Fobs are designed to be waterproof but the best way to protect yours is by keeping it out of direct sunlight and avoid using it in extreme temperatures or while it's raining. The blade can be removed and is one of the most cool features of the BMW keyfob. You can use the internal key when you've lost or broken your keys on the outside or if you don't want to carry around additional keys. This button is located on a few BMW fobs and is easily accessible. Other BMW fobs may require that you remove the interior trim piece or open a cap made of plastic. While you can get an BMW fob replacement at the dealership, you shouldn't buy used or aftermarket fobs from eBay or online. For security reasons BMW-certified replacement fobs should be prepared in the dealership based on your specific vehicle's VIN number. This will prevent thieves from taking your original fob and using it to gain access to your vehicle. If bmw car key need an alternative BMW key fob, you'll have to bring your working key into the dealership and be reset. The process is simple, and you can even do it yourself if have the original key. To program the new key, simply insert the existing one into the ignition and move it to position 1 then back rapidly 5 times. Then press the unlock button on the new key 3 times, and the doors will automatically lock and unlock. Battery Life The battery in a key fob is small and won't last for long. It's best to replace the battery about every 18 months. This stops it from being reset, and ensures that the key fob is providing the best possible performance. It is simple to replace the battery on the key fob and it doesn't affect its programing. Most BMW key fobs are powered by the standard CR2032 battery, a 3 volt lithium coin cell battery that is renowned for its long-lasting and efficient performance. The key fob for BMW 3 Series models from 2012 to 2019 has an upgraded battery, the CR2450, which has a bigger diameter and can accommodate the additional features of the model. In terms of security concerned, the BMW key fob comes with a unique identifier that constantly changes. This feature is designed to keep third-party hackers out of hacking into your vehicle and cloning your key fob. In fact, it's nearly impossible for anyone to duplicate your BMW key fob, even if you lose it or have it stolen. The key fob has an actual key blade that can be removed and used to unlock the car's interior or open the doors. This feature is especially useful if you are on a long trip and wish to keep the key fob safe from theft. For those who are concerned about the security of their key fobs the BMW dealer can offer an anti-theft protection for the key fob for an affordable cost. This simple device shields the key fob from unwanted attention. It's a great idea to include one in every vehicle you own. While it's possible to get a replacement key fob from certain third-party retailers, BMW dealerships are the only place to buy genuine BMW products that have been designed specifically for your vehicle based on the VIN. The key fobs function properly since they've been tested and programmed by the factory. They're also backed by a warranty which covers any issues that may arise, such as defects in material or workmanship.