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What Functions Does a BMW Key Fob Have? If you own a BMW it is likely that your key fob comes with many functions. You can use it for many things, including unlocking your doors, controlling your windows as well as starting the engine. There are some tricks that you may not be aware of. Let's look at some of the most useful ones. Functions The BMW key fob is a small rectangular piece of plastic that has several buttons incorporated into its side. The majority of these buttons are used to unlock and lock the vehicle, and certain buttons have additional functions. bmw replacement key TheKeyLab , for example can activate a secret function on their key fob by pressing the unlock button two times quickly. This is ideal for people who wish to cool down their vehicle on a hot summer's day. Another significant purpose of the BMW key fob is that it can be used to start the car. This is a security measure to ensure that no one is able to gain access to the vehicle. To start the car, the driver must first turn off the lock on the key fob and then press the circular arrow. For the latest BMW models it can be used to remotely start the car. This is particularly helpful when the driver is running late for work and doesn't have the time to get out of the car and open the door handle. Finally it is worth noting that the BMW key fob can be utilized to control the vehicle's interior climate system. This is particularly useful for those who travel with several people, as it is possible to set each individual's preferred temperature with their own key fob. The key fob on a hybrid BMW can be used to monitor the battery's charge status. Dropping them in water is not recommended. For this reason, it's recommended to keep the key fob in a protective case when not in use. If you happen to lose the key fob, a replacement can be provided that will deactivate it, making it inaccessible to thieves. Contacting the dealer or one of our technicians will do this. A replacement for the lost BMW key fob could be purchased to restore functionality to your vehicle. Design BMW key fobs were once large, clunky rectangles of black that, from a distance, looked like a bottle-opener. They were simple, but functional. Then BMW started to make them smaller and also added an aluminum case around the base of the key, which made it appear more elegant and a little less like a bottle opener. The new design also trimmed the rough edges of keys that could poke through pockets or bags and made keys more comfortable to hold. Then BMW introduced the Display Key, which puts all the functions of your vehicle in the palm of your hand. The BMW key fob has a small LCD screen that lets you lock and unlock your car, control the air conditioning and display the vehicle's information. It even lets you park remotely on hybrid models! BMW Digital Keys are a great replacement option if you have to replace the BMW key fob. You can unlock your car using your smartphone provided you have a compatible model. This feature is only available on BMW vehicles manufactured after 2021 that use the iDrive 8 system. The Connected Remote key is another innovative key from BMW that allows you to start your vehicle and operate certain functions using your smartphone. The app lets you remotely control your car’s climate control and check battery levels. You can even check how much gas you have left in your tank should your car be equipped with this feature. If you're using a BMW Digital Key or a traditional key fob the process for getting a replacement is similar. You'll have to bring the original key along with the new one to Patrick BMW, and our technicians will help you with everything. You can also purchase an BMW Key Protection plan, which will cover the cost of a replacement if keys get stolen or lost. If you do lose your BMW key, don't panic! The first step is to reset the key, which will erase any programming that was stored on it and render it useless. This is done five times, by changing the key from position one to zero and back. Then, turn the key to position zero and then remove it from the ignition. Security The BMW Digital Key makes it easy to start your vehicle. The fob is compatible with your smartphone or Apple Watch and works with BMW Connected Drive to unlock the vehicle, start the engine, and more. It also allows you to share the key with up to five others. The key fob connects to the vehicle via encrypted signals. This makes it impossible for hackers to steal and clone the signal. Additionally, the UWB technology in the BMW Digital Key prevents relay attacks, even if the fob is moving when it is being carried. The system also incorporates an inbuilt alarm system to block unauthorized starts and disables the ignition switch which is a frequent target for thieves. BMW also offers a variety of optional security features, including Passive Start, which disables the starter motor when the key fob isn't in close proximity to the car. This feature is available on many of the brand's models and provides additional security. A lot of the more sophisticated BMW models have keyless access that lets drivers enter and start the vehicle without having to manually use any buttons or insert a physical key. This feature is activated by pressing three times on the lock button of the fob within one second. In certain situations it may be necessary to press the button to lock the fob three times and then switch on an additional remote start feature within the dashboard or on the steering wheel. Some people carry their BMW keyfob in a bag that blocks signals. This reduces the chance of a third-party broadcasting the identifying code from the fob in order to gain access to the vehicle. Others prefer to use a standard key case, that does not come with this feature, but can protect the fob from scratches. A few BMW owners reported that their cars were snatched by criminals who used a signal amplifier to increase the signal strength of the identifying signals. This kind of attack is known as “Relay Attack” and can be prevented by keeping the key fob in a signal-blocking pocket or by installing an app that blocks signals on your phone. Replacement Everybody has experienced this: the battery in your BMW key fob dies or you need to buy a spare one for a family. Fortunately, finding a replacement BMW key fob and programming it into your vehicle is simple and affordable. BMW authorized locksmiths or dealers can offer you the replacement key fob. A new key fob is likely to cost between $400 and $650, depending on the model of BMW you drive. To program the new key fob into your BMW, first make sure that there is no other key in the ignition. Close all the doors of your vehicle. After that put your new key fob into the ignition, and switch it to position 1 before turning return to position 0 five times in rapid succession. Then, press the unlock button on your BMW key fob and press the BMW logo three times in rapid succession. Once you've completed this, remove the key and turn on the vehicle. You should hear your car's doors lock and unlock. This indicates that the new key fob was successfully programmed. Based on the model of your car, you could either have a key blade inside your key fob or one that isn't. The process for syncing new fobs to your vehicle differs for each however, the steps are similar. The only difference is the metal key fob has to be inserted in the ignition to begin your car. If you own a BMW equipped with Comfort Access the process is even easier. Once you have programmed a new key fob, simply connect it to your BMW's ignition and press the start button. It is essential to keep your BMW key fob in good in good working order. Patrick BMW's parts department will help you find a replacement BMW fob or replacement. We can help you locate the right key fob for your car and even upgrade your BMW by introducing a Comfort Access upgrade to allow keyless entry and engine starting.