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Hidden Functions of a BMW Key Fob You probably know how to lock your BMW with the key fob. BMW fobs could have hidden functions which you might not know about. Here are some tips for using the BMW key fob. Some of these tips are easy to do and others require a bit of technical know-how. Security A BMW key fob contains an embedded computer chip that is linked to a code in the security module of the car. This blocks unauthorized access to the vehicle. It also helps keep your vehicle secure by preventing the unauthorised engine start-up. The system is always changing to keep up with new threats. For instance it has also added driver profiles to the fob. Each profile has a personalization feature for seat position and radio presets, which means that a particular driver's preferences will be applied whenever the fob is used to unlock the car. These features provide peace of mind to drivers who are worried about the theft of their vehicle. However, despite these measures certain thieves are able to get to bypass security features of keyless entry systems. A recent video shows a BMW 1M being taken without keys in only three minutes. In this case, thieves used a relay device hack into the signal sent by the keyfob to the car. BMW key fobs employ a rolling code to shield the car from unauthorized cloning and other relay attacks. They also use a unique algorithm to ensure only authorized users are able to use them. Furthermore, the BMW key fob comes with an encrypted key powered by batteries that makes it more difficult for criminals to crack. For these reasons, BMW key fobs are among the most secure and practical alternatives for owners of vehicles. In addition, these keys are much more affordable than mechanical ones. BMW key fobs, unlike traditional keys can be programmed to operate with different vehicles. A BMW key fob can be improved in security by an electronic immobilizer. This feature disables the starter motor when the key is out of range. It also has an anti-theft feature that prevents the car from starting when the wrong password is entered into the keyfob iDrive system. A physical button on the back of the BMW key fob is an additional important security measure. This button can be pressed in the event of an emergency, like if the vehicle's doors are locked. This button can be used to also activate the manual backup system if the BMW's automatic locking system fails. Convenience BMW cars are among the most expensive in the market, but they include a number of convenience features. Apart from locking and unlocking your car it is possible to utilize your key fob to control your windows, turn off BMW sensors and even start the engine. The key fob comes with a variety of useful functions. However, it's easy to overlook some of the most intriguing ones. You can use your key fob on a modern BMW to control the trunk, fold out exterior mirrors and turn on the light. If you're a business owner, this feature is especially helpful as it allows you to check on your company vehicle from anywhere at any time. The key fob is equipped with a touch-sensitive screen that provides important information, including the status of the battery and remaining range. This feature is extremely beneficial especially when your commute is lengthy and you frequently run out gas or leave your car unattended. You can avoid costly car repairs by using your key fob as a gauge for checking the level of gas and battery. A BMW key fob can also function as an in-car GPS. If you program it with a destination, it can automatically begin navigation to that location when the key is pressed. This is a fantastic feature for long-distance trips or when you're traveling with friends. You can also use the key fob to start the engine or switch on the car's air conditioning and it's a great method to keep your car comfortable during a road trip. You can program multiple BMW keys to work together. The process is fairly simple: First, make sure that the key fob works. Place the key in the ignition, and quickly move it from position 0 to position one five times. The doors will unlock and lock when the syncing process is completed. Take the key off, and repeat these steps for any other keys you wish to connect to your car. Versatility You may have a BMW with a keyless entry system. These systems let you lock and unlock your vehicle without the need to remove the traditional key. You can also start your car by pressing the fob against the special sensor mounted close to the engine. For this reason, you'll want to keep your BMW key fob as safe as possible. It is safer if you keep it in a location where it cannot be stolen. You can also protect it from water. bmw key have been designed to be waterproof. However the best way to keep yours secure is to keep it out of the direct sunlight and avoid using it in extreme temperatures or rain. The removable blade is one of the most cool features on a BMW keyfob. You can use the internal key if you have lost or broken your keys on the outside, or if you don't want to carry extra keys. The button is found on some BMW fobs, and can be easily accessed. Other BMW fobs could require you remove the interior trim piece or open a cap made of plastic. Although you can obtain an BMW fob replacement from the dealership, you shouldn't purchase second-hand or used fobs online or through eBay. For security reasons BMW-certified replacement fobs need to be manufactured in the dealership in accordance with the VIN of your vehicle. This prevents criminals from stealing your original fob and using it to gain access to your vehicle. If you need a replacement BMW key fob, you'll need bring your current key to the dealership to be changed. You can do it yourself if you have the key that works. To program a new key, just insert the current one into the ignition and switch it to position 1 then back quickly five times. Press the unlock button three times on the new key 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. In fact, it's a good idea to replace the battery every 18 months or more. This will stop it from resetting, and ensures that the key fob is providing the highest performance possible. Fortunately replacing the key fob battery is relatively easy and does not impact its programming. Most BMW key fobs are powered by a standard CR2032 lithium coin cell battery. This battery is known for its reliability and durability. For the BMW 3 Series spanning from 2012 to 2019 models However, the key fob uses a more advanced CR2450 battery, which has a larger diameter that accommodates the additional features provided by the model. The BMW key fob is fitted with a unique identifier that changes constantly. This feature is designed to stop third parties from hacking your vehicle and cloning the key fob. In fact, it's nearly impossible for anyone to clone your BMW key fob, regardless of whether you lose it or have it stolen. The key fob also comes with an ejectable key blade inside that can be used to open the door, or at least unlock the car's interior. This feature is especially useful when you're taking an extended trip and wish to keep the key fob in the car and protect it from theft. BMW dealers can provide an anti-theft shield for the key fob at a reasonable price to those who are worried about the security of their key fob. This simple device will help shield the key fob from unwanted attention and is a great idea to have one for every vehicle you own. BMW dealerships are your only option to purchase genuine BMW products that are specifically designed for your vehicle using its VIN. These key fobs are also guaranteed to work correctly because they've been tested and programmed by the manufacturer. They're also backed by a guarantee that covers any problems that may arise, like manufacturing defects or defects in materials.