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Hidden Functions of a BMW Key FobIf you own a BMW then you probably know how to lock and unlock your vehicle using its 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 tricks require no technical expertise and others require more skill.SecurityA BMW key fob is equipped with an embedded computer chip that corresponds to a number in the car's security module. This helps to prevent unauthorised access to the vehicle. It also helps keep your car safe by preventing unauthorised engine start-up.The system is always evolving to meet the demands of new threats. Among other things it has also added driver profiles to the fob. Each profile is able to store personal settings for radio and seat position presets, so a specific driver's preferences will be applied when the fob is used to unlock the car.These features give drivers peace of mind when they are worried about their car being stolen. There are still thieves who find ways to bypass security features of keyless systems. For instance an upcoming video showed a BMW 1M being stolen without keys in only three minutes. In this instance, thieves used a special relay device to hack into the identifying signal that the keyfob transmits to the car.BMW key fobs are secured by a rolling code that shields the car from unauthorized cloning or relay attacks. Furthermore, they utilize a unique encryption algorithm to ensure only authorized users can use them. The BMW key fob also has a battery powered cryptographic key which makes it more difficult for criminals crack.For these reasons, BMW key fobs are among the most secure and practical choices for car owners. These keys are also much cheaper 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 by an electronic immobilizer. This feature shuts off the starter motor when the key is out of range. Also, it has an anti-theft feature that prevents the car from being started in the event that a wrong password has been entered into the keyfob iDrive system.Another important security measure is a physical button located on the side of a BMW key fob. This button can also be pressed in an emergency situation, such as when the car's door is locked. Additionally, this button can be used to activate the manual backup system in the event that BMW's automatic lock fails to engage.ConvenienceBMW automobiles are among the most expensive models on the market, but they also come with a lot of extra convenience features. Apart from locking and unlocking your car and allowing you to make use of your key fob to control your windows, deactivate BMW sensors and even start the engine. The key fob is stuffed with useful functions however it's easy overlook some of the most intriguing ones. You can use your key fob on a newer BMW to control the trunk, fold out exterior mirrors and turn on the light. If you're a business proprietor, this feature is especially helpful since it lets you monitor your company car anytime, from anywhere.The key fob also features an LCD that is touch-sensitive and displays important information such as the battery status of the car and its remaining range. This feature is extremely beneficial, especially if your commute is long and you often run out of gas or leave your car in the garage unattended. Utilizing your key fob's ability to monitor your car's gas and battery levels can help you avoid expensive repair bills.A bmw key fob could also be used as an in-car GPS. If you program it with a destination, it can automatically start navigation to that location once the key is hit. This feature is ideal for long journeys, or when traveling with a group of friends. You can also utilize the key fob to start the engine or switch on the car's air conditioning, making it a convenient way to keep your vehicle at a comfortable temperature during a road journey.If you have several 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 shift it from position 0 to position five times. Once the syncing is completed you should hear the doors unlocking and locking. Then, remove the key and repeat the steps for any other keys you wish to connect to your vehicle.VersatilityYou might have a BMW with a keyless entry system. In addition to the ability to lock and unlock your vehicle without having to take out the traditional key the systems also allow you to start your engine by pressing your fob against a specific sensor that's located near the engine.To protect yourself, you'll need to ensure that your BMW key fob as secure as you can. It should be kept in a secure location that it won't be easily taken away, but so will safeguarding it from moisture. Fobs are designed to be waterproof however the best way to ensure yours is by keeping it out of direct sunlight and avoid using it in extreme temperatures or while it's raining.One of the coolest advantages of a BMW key fob is that it has a key blade that is removable inside. You can use the internal key if you've lost or damaged your exterior keys or if you don't want to carry around additional keys. You'll find this button on a few BMW fobs, in a place that's easy to access but some might require you to lift the cap with a plastic or take off the interior trim.While you can get an BMW fob replacement from the dealership, don't purchase used or second-hand fobs online or through eBay. For security reasons, BMW-certified replacement fobs must be prepared in the dealership based on the VIN of your vehicle. This will prevent thieves from taking the original key fob and using to gain unauthorized entry to your vehicle.If you do need an alternative BMW key fob, you'll have to bring your current key to the dealership to be changed. This process is very simple, and you can even do it yourself if you have the working key. Insert the working key into the ignition and quickly turn it five times from position 1 to 5. Press the unlock button 3 times on the new key fob and the doors will lock and unlock.Battery LifeThe battery of a key fob is tiny and won't last for long. It is recommended to replace the battery every 18 months. This will prevent it from resetting and ensure the keyfob has the best performance. It is simple to replace the battery on the key fob and it doesn't affect its programing.Most BMW key fobs utilize the standard CR2032 battery, a 3-volt coin cell battery made of lithium that is known for its longevity and efficiency. For the BMW 3 Series spanning from 2012 to 2019 However, the key fob uses the more sophisticated CR2450 battery, which comes with a larger diameter that accommodates the additional features that are offered by the model.As far as security is concerned in terms of security, the BMW key fob has an unique identifier that continuously changes. This feature is intended to keep third-party hackers out of hacking into your vehicle and cloning your key fob. It's nearly impossible for anyone to clone the BMW key fob, even if it's stolen or lost.The key fob comes with an actual key blade that can be removed and used to unlock the car's interior, or open the doors. This feature is particularly useful when you're taking long trips and would like to leave the key fob inside the car and protect it 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 cost. This simple device helps to shield the key fob from unwanted attention and is a good idea to get one for any vehicle you own.Although it is possible to purchase an replacement key fob through some third-party retailers, BMW dealerships are the only option to purchase genuine BMW products that have been designed specifically for your car in accordance with the VIN. bmw key fobs are guaranteed to work correctly because they've been tested and programmed by the manufacturer. Key fobs are protected by a guarantee that covers any issues that may arise. This includes issues with the materials or workmanship.