The Benefits of a BMW 3 Series Key Fob

The BMW Display Key is a key fob with a full-color touchscreen. It has a range of useful features that can be accessible with a swipe of a finger.

Most standard BMW key fobs can withstand the daily moisture levels, so keeping it in your pocket on a rainy day is unlikely to cause damage. It is important to ensure that the battery is kept up-to-date.

Keyless Entry

A BMW key fob is much more than a way to unlock your car or start it. It's also a highly secure security device that can help protect both your vehicle and its contents from theft. It's therefore important to keep the BMW key fob charged, and in sync with your car. Place it in a secure place when it's not in use to avoid it from being lost or stolen.

Most likely, you'll have to replace the battery on your BMW key fob at some time. Fortunately, the procedure for doing this is straightforward. First find your BMW key fob's ignition switch and make sure it's off. Remove the key fob and carefully remove the battery. Replace it with a new one (size CR2032) and then insert the cover back into the key fob. Once the new battery is in place, press and hold the lock button until you hear the click (without turning on the engine). After that your doors will then unlock and lock, signalling that your BMW key fob is now programmed to your vehicle.

You may also be able to utilize the Comfort Access feature on your BMW, which allows you to open and shut it by using a keyfob or a smartphone. In order to activate this option, you'll need an compatible iPhone and the Apple Wallet app. Once you've got the two, just put your iPhone into the Smart Key Tray of your BMW and follow the steps in the Wallet app.

The same procedure can be used to program replacement or additional key fob, though you may have to disable any existing ones before you can start. Keep your BMW keyfob from getting wet since it can cause damage to the touchscreen. This means avoiding exposing it to direct sunlight since the display could be permanently damaged by long-term exposure to UV light. If you're worried about your BMW key fob being stolen or cloned, you should be aware that the security of this device has been designed to be built into it. A sophisticated system will ensure that your vehicle is only unlocked when it receives a specific identification signal, which is continuously changes.

Smart Keys

Smart Keys are key fobs that unlock and start your car without the need for an additional key or smartphone. You can also make use of the app on your phone to keep track of who's been in your car, and when.

You can download the app from your smartphone's app stores, or log in using the BMW Connected App. After logging in you'll be able view who has access and change any restrictions that may apply.

If you own keys with Smart Keys, you can use it to unlock the doors of your BMW remotely and utilize Comfort Access features like automatically locking the doors when you come closer. You can even use the app to set your parking brake. You can also control some features of your vehicle with the app, such as changing the volume of your music or adjusting your climate controls.


The key blade inside the key fob is of standard key size. It can be used to unlock doors by hand and also with Comfort Access. The key is resistant to water and therefore there's no need to worry about it getting wet. You should not expose the key to direct sunlight or extreme heat as it can overheat.

Follow these simple steps to program your BMW keyfob in order that it works with the application on your phone. You'll first need to ensure that your phone is compatible for the Digital Key feature. Then, you'll have to download the BMW Connected App and sign into your iCloud account. Then, place your iPhone in the tray for your smartphone. Follow the prompts and then activate the BMW Digital Key.

If you're looking to change the battery in your BMW key fob you can do it easily by removing your backplate and swapping in the CR2032 coin cell battery. Be careful when prying off the backplate as it's sealed with glue. It is always advisable to contact an experienced locksmith in the automotive industry for assistance should you feel uncomfortable doing it yourself.

Proximity keys

Proximity keys are the newest advancement in keyless car entry systems. They do not require physical contact but instead use a proximity detector to identify the key. This allows the driver to unlock doors and start the car. This is convenient however it does pose some security risks.

A key problem is that, just like smartphones and laptops they are susceptible to theft. Criminals are able to hack into the system to send the signals for identification to an accomplice nearby, or use a simple amplifier to detect the signals. Some drivers keep their keys in a signal blocking pouch or cover to combat this.

Another issue is that motorists may not remember to shut off the vehicle prior to leaving it. If they leave the car running while at the grocery store or dropping it in the cup holder could cause it to run which can lead to theft or carbon monoxide poisoning. Many drivers forget to put their keys in the ignition when they go to park at home, believing that the car is off. This can lead either to theft or, if you own an electric hybrid vehicle carbon monoxide vapors when your family is asleep.

If the key fob is lost or the battery dies and the car won't start, even if you have the key that opens the door. It is essential to always keep a spare key or a smart key duplicated to ensure that you or a trusted person are able to access your vehicle in the event of an emergency.

These issues can be prevented by taking the proper precautions. You can lessen the chance that proximity keys will cause problems by being more aware of the location you keep your key fob and making sure it's locked and removed before you leave your car.

BMW's most sophisticated fob is the Display Key, which comes with a touchscreen display. The new key is a bit more vulnerable to theft than traditional BMW fobs however, it's more secure. Keep your new BMW Display Key away from water and treat it like you would a smartphone.

Remote Start

If you drive a BMW with Remote Start or Remote Start, you can use the BMW Connected app or your key fob to start your car prior to you get inside. You can warm your car up in the mornings, when it's cold in Decatur or cool the cabin during Pekin commutes. If your BMW did not include Remote Start, you can add it by buying an OEM kit from our parts center and scheduling the service at your convenience.

The button located on the bottom of most BMW key fobs enables you to make an emergency duplicate of your keys. This is helpful for times when your fob gets wet, or when you're not in the vicinity of an locksmith. Some people keep a spare car key on their fob to allow other family members to access their cars without having to contact our dealership for Comfort Access or keyless entry.

The standard BMW key fob can stand up to a day of rain or a trip in the washing machine. However the BMW Display Key with touchscreen is a bit more delicate and should not be kept in water for for too long.

BMW key fobs can accommodate up to three driver profiles, meaning you can alter the settings of your car based on the keys you have with you. When The Key Lab Links to an external site. unlock the correct fob, your iDrive system will set all relevant settings, from seat position to radio presets for that profile. If you want to change drivers, all you need to do is to press the lock button twice on the key fob.

If your BMW key fob isn't working properly, you will have to replace the battery (size CR2032) within. Take off the cover of your fob, remove the old battery, and insert the new one with care. You can purchase a replacement BMW key battery from our parts department, or you can buy a replacement online. If your key fob has a Comfort Access feature, you'll also need to deactivate it and code the car to delete the key profile you have already created before you can pair it with another.