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Hidden Functions of a BMW Key Fob You're probably familiar with how to lock your BMW by using the key fob. However, BMW fobs have hidden functions that may surprise you. Here are a few tips to use your BMW key fob. Some of these tips are simple to implement, while others require more technical knowledge. Security A BMW key fob is equipped with embedded computer chips that corresponds with a code in the security module of the car. This blocks unauthorized access to the vehicle. This can also help ensure your vehicle's security by preventing unauthorized engine starting. The system is always evolving to meet the demands of new threats. The system has also added driver profiles to your fob. Each profile is a customized set of settings for radio presets and the seat position. These features offer security for those who are worried about their vehicle being stolen. However, despite these measures certain thieves are able to get to bypass security features of keyless entry systems. For instance in a recent video, a BMW 1M being stolen without keys in only three minutes. In this instance, the thieves made use of a special relay device to hack the identification signal that the keyfob transmits to the car. BMW key fobs are protected by an encryption code that safeguards the car from unauthorised cloning or relay attacks. Furthermore, they utilize an unique encryption algorithm to ensure only authorized users are able to use them. The BMW key fob also contains a battery-powered cryptographic key, which makes it harder for criminals crack. For these reasons, BMW key fobs are among the most secure and practical choices for car owners. In addition they are more affordable than mechanical ones. BMW key fobs, in contrast to traditional keys can be programmed to work with different vehicles. A BMW key fob can be improved in security with an electronic immobilizer. This feature shuts off the starter motor when the key is not in range. It also comes with an anti-theft feature that stops the car from starting in the event that a wrong password has been entered into the keyfob system of the iDrive. Another security measure to consider is a physical button located on the side of a BMW key fob. This button can be pressed in the case of an emergency like if the vehicle's doors are locked. In the same way, this button could be used to trigger a manual backup system in the event that BMW's automatic lock fails to engage. Convenience BMW automobiles are among the most expensive models on the market however, they also have a lot of extra convenience features. Apart from locking and unlocking your vehicle it is possible to utilize your key fob to control your windows, turn off BMW sensors, and even start the engine. The key fob has many useful functions. However, it is easy to overlook the most intriguing functions. You can use your key fob from a more modern BMW to control the trunk, fold out exterior mirrors, and turn on the light. If you're a business owner this feature can be extremely beneficial since it lets you monitor your company car from anywhere at any time. The key fob is also 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 frequently run out of gas or leave your vehicle unattended for prolonged periods of time. You can avoid costly car repairs by using your key fob as a gauge to check the level of gas and battery. A BMW keyfob can be used as a GPS in the car. It will start the navigation automatically when you press the key. This is a great feature for long trips or when you're traveling with a group of friends. You can also use the key fob to start the engine or turn on the car's air conditioning, making it a convenient option to keep your vehicle comfortable during a road trip. If you own multiple BMW keys You can program them to work together. It's easy first, ensure that your key fob is functioning. Insert the key in the ignition, then quickly change it from position zero to position one five times. Once the syncing is completed, you should hear the doors unlocking and locking. Remove the key and repeat the steps for any other keys you wish to connect to your car. Versatility You may have an BMW equipped with a keyless entry system. These systems allow you to lock and unlock your car without having to remove the traditional key. You can also start your car by pressing the fob on the sensor located close to the engine. You'll want to make sure that your BMW key fob is as secure as it can be. Keeping it in a secure location where it can't be easily stolen will help, but so will protecting it from moisture. Fobs are made to be waterproof. However, the best method to keep yours secure is to keep it out of direct sunlight and avoid using it in extreme temperatures or when it rains. The blade can be removed and is one of the coolest features of the BMW keyfob. This allows you to use the internal key in case of emergency if your exterior keys are lost or damaged, or to avoid carrying additional keys around in your bag. The button is found on a few BMW fobs, and is easily accessible. Other BMW fobs could require you remove the interior trim piece or remove a plastic cap. Although you can obtain an BMW fob replacement from the dealership, don't purchase used or second-hand fobs from eBay or online. For security reasons BMW-certified replacement fobs should be prepared in the dealership in accordance with the VIN number of your specific vehicle. This will prevent thieves from getting hold of your original key fob and using it to gain entry to your vehicle. If you need a replacement BMW fob, take your current key to the dealership to be changed. You can do this yourself if already have the key that works. Insert the working key into the ignition and quickly turn it 5 times from position 1 to 5. Press the unlock button 3 times on the new fob and the doors will automatically lock and unlock. Battery Life A key fob has tiny batteries that aren't likely to last for long. It's best to replace the battery about every 18 months. This prevents it from being reset and also ensures that the key fob is providing the best possible performance. It is easy to replace the battery on the key fob and it won't impact its programing. Most BMW key fobs are powered by a standard CR2032 battery, a 3 volt lithium coin cell battery that is known for its longevity and efficiency. For relevant web-site spanning from 2012 to 2019, however the key fob is equipped with an upgraded CR2450 battery. It has a larger diameter, which can accommodate the additional features provided by the model. The BMW key fob comes with a unique identifier which is constantly changing. This feature is intended to keep third-party hackers out of getting into your vehicle and cloning your key fob. In fact, it's nearly impossible for anyone to copy your BMW key fob, regardless of whether you lose it or have it stolen. The key fob comes with a physical key blade that can be removed and used to unlock the car's interior or open the doors. This feature is especially beneficial when you're traveling on a long trip and want to leave the key fob inside the car and keep it protected from theft. If you are worried about the security of their key fobs the BMW dealer can provide an anti-theft device for the key fob for an affordable price. This simple device shields the key fob against unwanted attention. It's a great idea to have one in any vehicle that you own. BMW dealerships are your sole option to purchase genuine BMW products, which have been specifically designed for your vehicle using its VIN. These key fobs will also perform as expected since they have been tested and programmed by the factory. They also come with an assurance that covers any issues that might occur, including defects in material or workmanship.