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Hidden Functions of a BMW Key Fob If you own a BMW, chances are you know how to lock and unlock your car using the fob of your key. BMW fobs could have hidden functions that you may not be aware of. Here are some tips to use the BMW key fob. Some of these tricks require only a little technical know-how, while others are more difficult. Security A BMW key fob has an embedded computer chip that is linked to a code in the security module of the car. This prevents unauthorized vehicle access. This also helps to keep your car secure by preventing the engine from starting without authorization. The system is continually changing to stay ahead of possible threats. For instance it has added driver profiles to the fob. Each profile is able to store personal settings for seat position and radio presets. This means that a specific driver's preferences are applied whenever the fob is used to unlock the car. These features can provide peace of mind for drivers who are concerned about their vehicle being stolen. However, despite these security measures, some thieves find ways to bypass security features of keyless entry systems. A recent video shows a BMW 1M being taken without keys in less than three minutes. In this instance, the thieves made use of a special relay device to hack the key fob's identifying signal which it transmits to the car. BMW key fobs are protected by a rolling code that shields the car from unauthorised relay attacks or cloning. Furthermore, they utilize an exclusive encryption algorithm to ensure only authorized users are able to use them. The BMW key fob also contains a battery powered cryptographic key that makes it difficult for criminals crack. Because of this, BMW key fobs are among the most secure and practical alternatives for owners of vehicles. Additionally, these keys are much cheaper than mechanical keys. Furthermore unlike traditional keys, BMW key fobs can be programmed to work with different automobiles. A BMW key fob can be enhanced in security by an electronic immobilizer. This feature blocks an unauthorized access to the vehicle's engine by preventing the starter motor if the key is not within the vehicle's range. Also, it has an anti-theft feature that prevents the car from being started when the wrong password is entered into the keyfob iDrive system. A physical button located on the side of the BMW key fob is a further important security measure. It can be activated in the case of an emergency such as if the car's doors are locked. Similarly, this button can be used to trigger a manual backup system in the event that the BMW's auto lock fails to engage. Convenience BMW automobiles are among the most expensive on the market however, they also have lots of additional convenience features. The key fob can be used to lock and unlock your car, as well as to disable BMW sensors and start the engine. The key fob has many useful functions. However, it's easy to overlook some of the most interesting ones. You can use your key fob from a more modern BMW to control the trunk, fold the exterior mirrors, and switch on the light. This feature is particularly useful for business owner as it allows you the ability to check on your vehicle at any time, anyplace. The key fob is also equipped with a touch-sensitive display that shows important information, such as the status of the battery in the vehicle and its remaining range. This is an extremely useful feature, particularly if you have a long commute and often run out of gas or leave your vehicle unattended for prolonged periods of time. Utilizing your key fob's ability to monitor your car's gas and battery levels will help you avoid costly repair bills. A bmw key fob can also serve as an in-car GPS. If you program it with the location of your choice, it can automatically begin navigation to the area when the key is pressed. This is a wonderful feature for long-distance trips or when you're traveling with a group of friends. You can also utilize the key fob to start the engine or turn on the air conditioning in your car, making it a convenient way to keep your vehicle comfortable during a road trip. If you have several BMW keys, you can program them to work together. It's simple first, ensure that your key fob works. Then, put the key into the ignition, and then move it to the position one and return to zero five times quickly. Once the syncing is completed, you should hear the doors unlocking and locking. Remove the key, and repeat these steps for any other keys you wish to connect to your vehicle. Versatility If you have an BMW car, it is likely that it comes with an innovative keyless entry system. These systems let you lock and unlock your car 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 you can. It should be kept in a safe location that it won't be easily taken away as will safeguarding it from water. Fobs have been designed to be waterproof. However the best method to keep yours safe is to keep it away from direct sun and avoid using it during extreme temperatures or rain. One of the most exciting characteristics of a BMW key fob is that it features a key blade that is removable inside. You can use the internal key if you have lost or broken your keys on the outside, or if you don't need to carry a bunch of keys. This button is located on a few BMW fobs and is accessible. Other BMW fobs could require you remove an interior trim piece or open a plastic cap. You can buy a replacement BMW fob from a dealer, but you should not purchase used or aftermarket fobs online or on eBay. BMW-certified replacement fobs are made at the dealership with the VIN of your vehicle. This is to protect your vehicle. This prevents criminals from stealing the original fob and using it to gain unauthorized access to your vehicle. If you require an alternative BMW key fob, you'll need to bring your working key into the dealership to have it changed. You can do it yourself if already have the working key. To program the new key, simply insert the working one into the ignition, and move it to position 1 and back quickly five times. Then, press the unlock button on the new key 3 times, and the doors will automatically lock and unlock. Battery Life A key fob comes with an insignificant battery that isn't likely to last for long. In fact it's recommended to replace the battery every 18 months or at least. This will stop it from being reset and also ensures that the key fob is providing the highest performance possible. Fortunately, replacing the key fob battery is relatively simple and doesn't affect its programming. Most BMW key fobs use the standard CR2032 battery, a 3 volt lithium coin cell battery that is known for its durability and efficacy. For the BMW 3 Series spanning from 2012 to 2019, however, the key fob uses an upgraded CR2450 battery, which has a larger diameter, which can accommodate the additional features provided by the model. As far as security is concerned, the BMW key fob is equipped with a unique identifier that constantly changes. This feature is designed to stop third-party hackers from hacking into your vehicle and then cloning the key fob. It's nearly impossible to duplicate a BMW key fob even if it's stolen or lost. The key fob also comes with a key blade that can be removed inside it that can be used to open the door, or at the very least, unlock the interior of the car. This feature is particularly useful when you're on a long trip and want to leave the key fob in the car and keep it protected from theft. BMW dealers can provide an anti-theft shield for the key fob at a reasonable cost for those who are concerned about the security of their key fob. This simple device protects the key fob against unwanted attention. It's a good idea to include one in every vehicle you own. BMW dealerships are your only option to purchase authentic BMW products that have been prepared specifically for your car using its VIN. Key fobs from BMW will work correctly as they have been tested and programmed by the factory. Key fobs are protected by a guarantee that covers any problems that may arise. My Web Page includes defects in materials or workmanship.