How to Replace a BMW Key
Replacement of a BMW key is expensive. This is due to the fact that BMW keys are highly-technical and require reprogramming to function with your vehicle.
You can save money by purchasing a new BMW car key on the internet,
BMW key fobs but you need to find a seller who is an expert in car keys with good reviews. It is also recommended that you visit a dealership to ensure that the replacement key is programmed correctly.
Smart Keys
Nowadays, a lot of new BMW models come with an intelligent key system that allows you to lock and unlock your vehicle with a simple click of an icon on the steering wheel. Certain models also come with a remote system that allows you to start the engine and shut the sunroof and windows from an extended distance. These keys are advanced and use radio to lock and unlock, and infrared to connect with dashboard.
The IR circuit creates a bidirectional infrared bridge which sends commands to and from the dashboard and to the receptacle within the key. This allows the key to control the car from just a couple of meters away. The key has an RF coil that receives and transmits the remote signal to lock the car to the dashboard.
These smart keys also save information such as power seat and mirror settings. To share access with someone else, you need to connect the key with an iPhone and then follow the directions on your device. This will provide them with a key that is working when their phone is in 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, not to mention makes it easier for thieves with a tech background to steal vehicles), modern smart keys emit a distinct encrypted signal each time they're used to open or close a door or pop the trunk. The radio antennas in the vehicle respond by creating the corresponding frequency to identify the key, lock it or turn it on.
Smart key systems may 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 if plan to go out to eat or shop. If you do lose your keys, make sure you have the VIN number of your BMW and your government ID in case you need to obtain a replacement from a dealer.
Key Fob Batteries
The BMW key fob provides convenience and security with the press of a single button. But, just like anything that relies on a battery, the key fob's battery can die-often at the most inconvenient time. It's simple to replace the BMW key fob's battery.
To replace the battery in the key fob open the fob in the seam that connects its two halves. The fob's backplate is usually fixed by a notch that can be opened using a finger or a screwdriver with a flat blade. Install a new button cell battery after removing the backplate. The new battery is usually shaped as a small coin and has plus and minus symbols on it. The new battery should be placed in the same direction as the previous one, then snap the fob's two halves back together.
After replacing the battery Test it by pressing each of the buttons on the fob to ensure they work as expected. Depending on the model, you might have to re-sync your key fob to your vehicle or take other steps to make sure it functions correctly. If you need to re-sync your key fob check the owner manual for the specific instructions applicable to your BMW.
A weak or dead battery for the key fob could reduce the range of the signal that connects with your car,
BMW key fobs which can limit its ability to lock and unlock trunk and doors and arm/disarm the alarm system. It is time to replace your battery if you discover that you must be closer to your vehicle to unlock the doors or start the engine.
It's easy to replace the battery inside your key fob at home. After replacing the battery, test the keyfob's functionality by locking and unlocking your vehicle or placing it in the ignition. Then, you can reassemble the key fob, and then test it again to make sure it functions properly. Knowing when the key fob's batteries need to be changed and the best way to replace them, and how to start a car with a dead battery will help you enjoy all of BMW's useful features.
Slant Shaped Key Batteries
If you're a BMW owner, you likely benefit from the many advantages of your car's keyless ignition and entry features. These features can make driving your BMW more enjoyable and can help you to avoid some common automotive issues. If you're not careful about the signs that your
bmw series 1 key key fob battery is dwindling, it can quickly become depleted of power.
If your BMW key fob fails to function, it can't communicate with the vehicle computer to open the doors or start the motor. Fortunately, the battery inside most
BMW key fobs can be replaced relatively cheaply. The procedure is easy and usually takes just about a couple of minutes to complete. Keep an extra BMW in your pocket to replace the battery when it gets depleted.
When replacing the BMW keyfob battery, it is important to select the right type of battery. The smart key requires a CR2450 battery, while the sleek slant-shaped and Comfort Access fobs used in many F series models from 2011 until 2017 require a CR2032 battery. Both are available at many auto shops as well in department stores for affordable prices.
Another option is to get a replacement key for your BMW from a locksmith or dealership. The keys are laser-cut and coded by the vehicle's manufacturer to ensure compatibility with the keyless entry and start system. The drawback is that these keys are more expensive than replacement keys and can take longer to arrive. If you're looking to purchase an additional key for your BMW, consider using BimmerTech's convenient online ordering process to save yourself time and money.
While the most common way to start your BMW is with a traditional key however, some drivers prefer using their smartphones as a "surrogate" key. Through Bluetooth technology, your smartphone can connect to your BMW's keyless entry and start system. This can be particularly useful during hot weather when you don't wish to carry a heavy BMW key around in your pocket.
Valet Key Batteries
Key fobs are a useful device but at times, you may be unable to recharge your battery. This can make it difficult to lock your car and it can also prevent you from being able to turn on the engine and drive. Luckily, replacing the BMW key fob battery is not difficult and can be done at home. The steps will differ based on the type of key, however they're quite similar.
The newer slant-shaped key batteries are simple to replace using a a simple process. Simply press the small tab that opens the inside of the valet key, located on the bottom or side of the fob. You can then use a flat screwdriver to remove the access port which is hidden by the battery. Once the old battery is removed, you can install a new one and then put everything back together.
If you own an older diamond-shaped key with a rechargeable battery It can be tricky to replace the battery. In contrast to the slant-shaped keys these are not designed to have the battery replaced and can be damaged when trying to pry off the back plate of the key. You can attempt to open it, but you will likely require the help of a professional to do the job. It is recommended that if you need to replace batteries, you call an auto dealer for help from a professional.
Another thing to think about is that there are many different kinds of
BMW keys to choose from. Each key fob comes with its specific driver profile, and can be linked with different drivers. This allows family members to share the same car but still have the ability to personalize their driving experience.
