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How to Replace a BMW Key
The cost of replacing a BMW key can be costly. This is because BMW keys are highly-technical and require reprogramming in order to function with your vehicle.
You can save money by purchasing a brand new BMW car key on the internet, but you need to locate a dealer who is specialized in car keys and has good reviews. It is also recommended to visit the dealership to ensure the replacement key is properly programmed.
Smart Keys
Nowadays, a lot of new BMW cars come with a smart key system that allows you to lock and unlock your car by simply pressing a button on the steering wheel. Additionally, certain models come with a feature that lets you start the engine from a distance, and also remotely close the windows and sunroof. These keys are advanced and use radio for locking or unlocking and infrared (IR) to communicate with the dashboard.
The IR circuit is a two-way infrared link that sends commands from the dashboard, and also to the receptacle inside the key. This lets the key 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. If you want to share access with a friend, all you need to do is connect the key to an iPhone and follow the prompts 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.
Unlike older car key fobs, which transmit the same frequency over and over (which could be affecting other models and makes that use the same system, not to mention making it easier for tech-savvy thieves to take vehicles), modern smart keys transmit a distinct encrypted signal every time they're used to open or close a door or pop the trunk. The radio antennas in the vehicle respond by generating 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 be able to intercept IR transmissions and gain access to your vehicle. Always have a backup key or leave your smart key at home if you are going to eat out or shop. If you lose your keys, be sure you keep the VIN number of your BMW and your government ID in case you need to request an exchange from the dealer.
Key Fob Batteries
The BMW key fob is a convenient device that offers security and convenience at the push of a single button. However, like everything that relies on batteries the battery of the key fob is prone to dying at the worst possible moment. It's simple to replace the BMW key fob batteries.
Open the fob at the seam that joins the two halves. The backplate of the fob is held in place by a a notch which can be opened with the flat-bladed screwdriver or finger. Place a brand new button-cell battery after removing the backplate. The new battery will typically look like a small coin and will have plus and minus signs printed on it. Insert the new battery in the same orientation as the previous one, and then snap the fob's two halves back together.
After replacing the battery on the key fob, press each button to verify whether it functions as you expect. Depending on the model, you might need to reconnect your key fob to your vehicle or take other steps to make sure it functions correctly. Refer to the owner's guide of your BMW for more detailed instructions on how you can re-sync the key fob.
A weak or dead battery on your key fob could reduce the range that the signal can communicate with the car, limiting the capability to lock or unlock the trunk or doors or arm or disarm your alarm system. If you notice that you have to stand closer and closer to your vehicle in order to access the key fob to unlock or start your engine, it is likely time to replace the battery.
It's easy to replace the battery on your key fob at home. After replacing the battery, check the functionality of the keyfob by locking and unlocking your vehicle, or placing it in the ignition. After that, reassemble the key fob, and then test it again to make sure it functions properly. Knowing what happens when the batteries on the key fob need to be replaced and how to replace them, and how to start a vehicle with a dead battery will enable you to make the most of BMW's convenient features.
bmw car key replacement
If you're a BMW owner, you probably take a lot of advantage of the keyless entry and ignition features. These conveniences can make driving your BMW easier and even help you avoid common automotive issues. If you're not aware of the signs that your BMW key fob battery is getting low it could quickly be out of juice.
When your BMW key fob is dead, it's no longer able to communicate with the vehicle's computer to unlock or start the engine. The battery in most BMW keys can be replaced easily. The process is simple and typically takes an hour to complete. If you have a spare BMW key It's a good idea to keep it in your pocket so that you can swap the battery if it runs out of power.
The most important thing to keep in mind when replacing a BMW key fob battery is to select the correct replacement battery. A smart key will require a CR2450 battery, while the Comfort Access and sleek slant-shaped fobs that are used in many F-series models from 2011 to 2017 will require the CR2032 battery. Both are available in the majority of auto shops as as department stores at an affordable price.
Another option is to get an alternative key for your BMW from an authorized locksmith or dealer. These keys are laser-cut, and coded by the car's manufacturer to ensure compatibility with the keyless entry and start system. They are more expensive and take longer to arrive than replacement versions. BimmerTech provides a user-friendly online ordering system for BMW replacement keys. This will save you time and money.
Some drivers prefer using a smartphone as an "surrogate key" to start their BMW. By using Bluetooth technology smartphones can connect to the keyless entry and start system. This is especially helpful during hot weather, when you don't wish to carry around a heavy BMW Key in your pocket.
Valet Key Batteries
Key fobs are useful device but at times, you may be unable to recharge your battery. This can make it hard to secure your car and it could also prevent you from being able to turn on the engine and drive. Fortunately, replacing the BMW key fob battery isn't too difficult and can be done at home. The steps will differ based on the type of key, however they're fairly similar.
The newer slant-shaped batteries for key batteries are easy to replace through a an easy process. You simply need to press the small tab that releases the inside of the valet key located on the side or bottom of the fob. The battery can be accessed by using a flat screwdriver. Once the old battery is removed, you can install a new one and then put it back together.
If you own an older diamond-shaped key with rechargeable batteries it could be more difficult to replace the battery. Unlike the slant-shaped keys, they aren't designed to have the battery replaced and can be damaged by trying to remove the back plate of the key. You can try to force it open however, you'll require the help of a professional to do so. If you need to replace a battery that is old It is recommended that you contact a dealership to get it done by a professional.
Another thing to think about is that there are many different kinds of BMW keys that are available. Each key fob comes with its own driver profile and can be connected to different drivers. This makes it simpler for family members to share a car, while still being in a position to personalize their driving experience.
The most important part of this article is to know what kind of key you own and how to replace it. bmw car key replacement is essential to be aware of this if you want your car to start when you push the buttons on your key fob. You will save yourself frustration and money by not having to make an appointment at the dealership if your key does not work properly.
