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What Functions Does a BMW Key Fob Have? Your BMW key fob probably has numerous functions. You can use it for many things, including opening your doors, controlling your windows, and even starting the engine. There are some tricks you might not know about. Here are a few of the best. Functions The BMW key fob is a small, rectangular piece of plastic that has several buttons incorporated into its side. Most of the buttons are used to lock and unlock the vehicle, however certain buttons have additional functions. BMW owners, for example can activate a secret function on their key fob by pressing the unlock button twice quickly. This is ideal for those who wish to cool down their car during the summer heat. The BMW key fob can also be used to start your car. This is a security measure that prevents unauthorized access to the vehicle. To start the engine, drivers must first press the lock button on the key fob and then press the circular arrow. This feature is also available on newer BMW models to remotely start the vehicle. This is particularly helpful in a situation where the driver is running late for work and doesn't have the time to get out of the car and open the door. Lastly, the BMW key fob may also be used to control the vehicle's interior climate system. This is especially useful for people who travel with several individuals as each key fob can be used to set the preferred temperature for each person. The key fob of a hybrid BMW can be used to check the battery's charge status. Dropping them into water is not recommended. It's best to keep the key fob in a protective case when not in use. If you do lose the key fob, a solution can be offered to disable it, rendering it useless for thieves. Contacting the dealer or one of our technicians will be able to do this. A replacement for the lost BMW key fob could be purchased to restore functionality to your vehicle. bmw smart key were large black, clunky rectangles that looked a bit like a bottle opener from the distance. They were basic, but they served a purpose. Then BMW started to make them more compact and added a case made of plastic around the base of the key, which made it appear more elegant and a little less like the bottle opener. The new design also trimmed rough edges on the keys which could pierce pockets or bags and made keys easier to hold. Then BMW introduced the Display Key, which puts all of your vehicle's functionality in the palm of your hand. It lets you lock and unlock your car, control your air conditioning, and see vehicle information on a small LCD touchscreen on the BMW key fob. Even hybrid models have remote parking! BMW Digital Keys are a great replacement option if you have to replace the BMW key fob. Simply use your smartphone to replace the BMW key fob and unlock your vehicle! This feature is available for 2021 or newer BMW cars that use the iDrive 8 operating system. The Connected Remote key is a cool new key from BMW that allows you to start your vehicle and operate certain features using your smartphone. The app allows you to remotely manage your car's climate control and monitor battery levels. You can also see the amount of fuel left in your car if it is equipped with this feature. The procedure for replacing the BMW Digital Key is the same whether you're using an old-fashioned key or a BMW Digital Key. Our technicians will help you with the process if you bring the old and new one to Patrick BMW. You can also purchase an BMW Key Protection Plan, which will cover replacement costs if your keys get lost or stolen. If you do lose your BMW key, don't panic! The first thing you need to do is reset the key. This erases all programming and render it useless. This is accomplished by turning the key to position one and back quickly five times in one row. Then, you turn it back to zero and then take off the ignition. Security The BMW Digital Key makes it easy to start your car. The fob is compatible with your smartphone or Apple Watch and works with BMW Connected Drive to unlock the vehicle and start the engine and more. You can also share the key with five other people. The key fob communicates with the vehicle using encrypted signals. This makes it difficult for hackers to intercept and clone the signal. The UWB technology of the BMW Digital Key also prevents attacks on relays even if the device is moving. The system also incorporates an alarm built-in to stop unauthorized starts and disables the ignition switch, which is a common target for thieves. BMW offers a range of security features that are available as an option. Passive Start is one of them. It will disable the starter motor if the key fob does not remain close to your car. This feature is available on a variety of BMW models and provides an additional level of security. BMW's most advanced models come with keyless entry, which allows drivers to access their car without having to manually inserting a key or pressing any buttons. This feature is usually activated by pressing the lock button on the fob three times in the span of a second. In some instances, you may need to press the fob's lock 3 times in order to activate the remote start feature on the dashboard or steering wheel. Some people prefer to carry their BMW key fob in a signal-blocking pouch, which reduces the risk of a third party broadcasting the identifying signal from the fob and using it to access the car. Others prefer to use a standard key case, that does not come with this feature but will still protect the fob from scratches. A few BMW owners reported that their vehicles were taken by criminals who used an amplifier for signal strength to increase the signal strength of the identifying signals. This kind of attack, referred to as “Relay Attack”, can be avoided by putting the key fob into an area that blocks signals or by using an application on your smartphone to block signals. Replacement It happens to everyone and it happens to you too – your BMW key fob battery fails, or you need an extra battery for your family member. It's easy and affordable to get a replacement BMW fob, and program it into your vehicle. BMW authorized locksmiths or dealers can offer you the replacement key fob. A new key fob can cost between $400 and $650, based on the model of BMW you drive. To program a new key fob for your BMW first, ensure that there isn't another key in the ignition. Close all doors in your vehicle. Then put your new key fob in the ignition, and move it to position 1 and return to position 0 five times rapidly. Next, press the unlock button on your BMW key fob and press the BMW logo three times in rapid succession. After you've completed this, take off the key and turn on the car. The doors should lock and unlock, indicating that your new key fob is successfully programmed. Depending on your car model, you may have a key fob that has a physical key blade inside it or a key fob that does not have one. Each one has a distinct process to sync with your car, however the steps for each are nearly identical. The only difference is that the metal key fob will need to be inserted in the ignition to start your vehicle. If you have a BMW equipped with Comfort Access the process is even easier. Once you have programmed your new key fob into your BMW then, you can insert it into the ignition and press start. It is important to ensure that your BMW key fob in working condition. If you are looking for an updated BMW key fob, or a replacement for your existing one, contact the parts department at Patrick BMW. We can assist you in selecting the best key fob for your needs and upgrade your BMW to Comfort Access for keyless entry and engine starting.