How to Replace a BMW Key
The cost of replacing the BMW key can be expensive. BMW keys are high-tech and must be reprogrammed to function with the vehicle.
You can save money by purchasing a new BMW car key online, but you should find a seller who is specialized in car keys with good reviews. It's also recommended that you visit a dealer to ensure that your replacement is programmed correctly.
Smart Keys
Many of the latest BMW models come with the smart-key system that allows you to unlock and lock your vehicle by simply pressing the steering wheel. Some models also feature a remote system that allows you to start the engine and shut the sunroof and windows from an extended distance. These advanced keys use radios for locking and unlocking as well as infrared (IR) to communicate with the dashboard.
The IR circuit powers a two-way infrared link that transmits commands from the dashboard, as well as to the receptacle inside the key. The key can control the car at a distance of few meters. The key also comes with an RF coil that receives the remote lock signal from the car and transmits it to the dashboard.
These smart keys also have the ability to store information such as mirror and power seat settings. If you'd like to share access to a friend, all you need to do is connect the key to an iPhone and follow the instructions on your device. This will the key to be shared with them that is working as long as their phone is connected and within Bluetooth range.
Contrary to older key fobs for cars that transmit the same frequency over and over (which could be affecting other models and makes using the same system, and could make it easier for thieves with a tech background to steal cars), modern smart keys emit a distinct encrypted signal every time they're used to open or close a door, or open the trunk. The radio antennas in the vehicle respond by creating the corresponding frequency to identify the key, unlock it or turn it on.
Smart key systems can still be vulnerable to hacking however. An experienced professional can be able to take over IR transmissions and gain access to your vehicle. Always keep a spare key in your vehicle, or leave your smart key at home when you are going to eat out or shop. If you lose your keys, make sure you have the VIN number of your BMW and your government ID in case you have to request a replacement from the dealer.
Key Fob Batteries
The BMW key fob provides security and convenience at the click of a button. But, just like anything that is dependent on a battery the battery of the key fob is prone to dying at the worst possible time. Fortunately the replacement of a BMW key fob battery is quick and easy.
To replace the key fob's battery you must open the fob at the seam that joins its two halves. The backplate of the fob is typically secured by a notch that can be opened using the fingers or a flat-blade screwdriver. After the backplate has been removed, insert a new button cell battery into its place. The new battery is likely to appear like a small coin, with plus and minus marks printed on it. Place the new battery in the same way as the previous one, and then snap the fob's two halves together.
After replacing the battery Test it by pressing each of the fob's buttons to ensure they work as expected. Based on the model, you could have to re-sync your key fob to your vehicle or take additional steps to ensure that it is working properly. Refer to the owner's guide of your BMW for specific instructions on how you can re-sync the key fob.
A dead or weak battery in your key fob may reduce the range that it communicates with your vehicle, limiting its capability to lock or unlock the trunk or doors, or arm/disarm the alarm system. It is time to replace the battery if you notice that you need to get closer to your car to unlock the doors or start the engine.
The battery replacement for the key fob is a simple job that can be accomplished at home. After replacing the battery, it's important to test the key fob's functions by locking and unlocking the vehicle or placing it in the ignition. Reassemble the keyfob and test it again to confirm that it's functioning properly. By knowing the moment when a key fob's batteries needs to be replaced and how to replace the battery, and knowing how to start your vehicle using a an empty battery from the key fob, you will be well on your way to enjoying all of your BMW's convenient and secure features.
Slant Shaped Key Batteries
BMW owners probably make the most of the keyless entry system and ignition. These conveniences make driving your BMW more enjoyable, and they can even assist you in avoiding some common automotive problems. However, if you aren't aware of the signs that your BMW key fob battery is dwindling it will soon become depleted of power.
If your BMW key fob dies and cannot communicate with the car computer to open the doors or start the motor. Fortunately, the batteries in the majority of BMW key fobs can be replaced relatively inexpensively. The process is straightforward and typically takes only an hour to complete. If you have an extra BMW key It's an ideal idea to keep it in your pocket so you can change the battery if it runs out of power.
When replacing the BMW keyfob battery, it's important to use the correct type of battery. The smart key requires a CR2450 while the sleek slant-shaped and Comfort Access fobs that were used in a variety of F series models from 2011 to 2017 require a battery CR2032. Both are available in the majority of auto shops as as department stores at a reasonable price.
A locksmith or BMW dealership can also provide you with the replacement BMW key. The keys are laser-cut and coded by the vehicle's manufacturer to ensure compatibility with the keyless entry and start system. They are more expensive and take longer to arrive than aftermarket versions. BimmerTech provides a user-friendly online ordering system for BMW keys replacement. This will save you time and money.
While the most commonly used method to start your BMW is to use the traditional key however, some drivers prefer to use their smartphones as a "surrogate" key. Smartphones can be connected to your BMW's keyless start and entry system via Bluetooth technology. This can be especially useful on hot days when you don't wish to carry a heavy BMW key in your pocket.
Valet Key Batteries
A key fob can be an excellent tool, but you might run out of batteries. spare bmw key could make it difficult to lock your car and also prevent you from being able to start the engine. It is simple to replace the battery in a BMW keyfob. The steps can vary slightly based on the type of key you have however, they're all pretty similar.
It is simple to replace the newer key batteries that have a slant shape with an easy process. You just need to press the small tab that opens the inside of the valet key, located on the bottom or side of the fob. The battery is accessible by using a flat screwdriver. After you have removed the old battery, you can replace it with a new one. Then put everything back together.
If you have an older diamond-shaped key that has a rechargeable battery It can be tricky to replace the battery. These keys aren't designed to be replaced with batteries, and they can be damaged if you try to remove the backplate. You can attempt to force it open, but you will likely need a professional to do the job. If you need to replace an old battery, it is recommended to call an authorized dealer to have it done properly.
BMW keys are available in different designs. Each key fob has its own driver profile and can be linked with different drivers. This allows family members to share a single car and still be in a position to personalize their driving experience.
This is the most important part because you must know what type of key you own and how to replace it. It is important to know this if would like your car to start when you push the buttons on the key fob. You will avoid frustration and save money by not needing to pay for an appointment at the dealership if your key does not work properly.