How to Replace a BMW Key
Replacement of the BMW key is expensive. BMW keys are high-tech, and must be reprogrammed in order to work with the vehicle.
The purchase of a new BMW key online can save you money, however it is crucial to find a vendor that specializes in car keys and has positive reviews. It is also recommended that you visit a dealer to ensure that your replacement is programmed correctly.
Smart Keys
Many new BMW models come with a smart-key system that lets you lock and unlock your car by simply pressing the steering wheel. Some models also come with a system that lets you start the engine from a distance and also remotely close the windows and the sunroof. These keys feature radio for locking or unlocking as well as infrared (IR) to communicate with the dashboard.
The IR circuit powers a bidirectional infrared bridge which transmits commands to and from the dashboard and to the receptacle inside the key. The key can control the car at a distance of few meters. The key has an RF coil that detects and transmits the remote lock signal from the car to the dashboard.
These smart keys are also able to store information like power seat and mirror settings. If you'd like to share access to a person with whom you share access all you have to do is connect the key with an iPhone and follow the instructions on your device. This will allow you give them a key that works for as long as their device is connected and within Bluetooth range.
Contrary to older key fobs for cars, which transmit the same frequency repeatedly (which could impact other makes and models utilizing the same system, and could making it easier for thieves with a tech background to take cars) Modern smart keys emit a distinct encrypted signal every time they are used to open or close a door or open the trunk. The car's radio antennas respond by generating the corresponding frequency to identify the key, unlock or open it.
Hacking is possible but not impossible. A skilled professional can take over IR transmissions and gain access to your vehicle. To protect yourself, always keep a backup key in your vehicle or ensure you keep the smart key at home whenever you go out to eat or out shopping. If you lose your keys, make sure to keep your VIN number and government ID in case you require a replacement.
Key Fob Batteries
The BMW key fob provides convenience and security with the click of a button. The battery of the key fob could also fail, just like anything that is powered by batteries. This occurs at the worst time. It's easy to replace BMW key fob batteries.
To replace the battery of the key fob, open the fob at the seam that joins its two halves. The backplate of the fob is typically held in place by a notch which can be opened using the fingers or a screwdriver with a flat blade. Place a brand new button-cell battery in its place after removing the backplate. The new battery will usually resemble a small coin and have plus and minus signs printed on it. The new battery should be placed in the same orientation as the previous one, then snap the fob's two halves back together.
After replacing the battery on the key fob make sure to press each button to test that it works as expected. Depending on the model, you may need to reconnect your key fob to your vehicle or take additional steps to make sure it functions properly. Consult the owner's manual of your BMW for more detailed instructions on how to sync the key fob.
A weak or dead battery for the key fob can decrease the range of the signal that communicates with your vehicle, limiting its ability to lock and unlock the doors and trunk as well as arm or disarm the alarm system. If you are noticing that you have to stand closer and closer to your vehicle to get the key fob to unlock or start the engine, it is likely time to replace the battery.
The battery replacement for the key fob is a straightforward task that can be completed at home. After replacing the battery it is crucial to test the functions of the key fob by locking and unlocking the vehicle, or placing it in the ignition. Reassemble the keyfob and test it again to confirm that it is working properly. Knowing what happens when the batteries on the key fob need to be changed and the best way to replace them, and how to start a vehicle with a dead battery will allow you to take advantage of all of BMW's convenient features.
Slant Shaped Key Batteries
If you're a BMW owner, you probably take a lot of advantage of the keyless ignition and entry features. These features can make driving your BMW more comfortable and may even assist you avoid common car problems. If you're not careful about the signs that your BMW key fob battery is dwindling, it can quickly become depleted of power.
When your BMW key fob is dead and is no longer capable of communicating with the vehicle's computer in order to unlock or start the engine. bmw series 1 key that are found in many BMW keys can be replaced. The process is simple and typically takes about a couple of minutes to complete. If you have an extra BMW key, it's recommended to keep it in your pocket to ensure that you can change the battery if it is depleted of power.
The most important thing to remember when changing a BMW key fob battery is to use the right 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 until 2017 will require the CR2032 type of battery. Both types can be purchased in most department stores and auto shops for fairly cheap prices.
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 car manufacturers to ensure compatibility with keyless entry and start systems. The drawback is that they are more expensive than replacement keys and can take longer to arrive. If you're interested in getting an additional key for your BMW you should consider BimmerTech's online ordering system to save yourself time and money.
While the most common way to start your BMW is with a traditional key however, some drivers prefer to use their smartphones as an "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
A key fob can be an excellent tool, but it is possible to run out of batteries. This can make it difficult to lock your vehicle and stop you from being in a position to start the engine. Luckily, replacing the BMW key fob battery isn't difficult and can be done at home. The steps vary slightly based on the kind of key you own, but they are all fairly similar.
It is easy to replace the more modern slant shaped key batteries with a simple procedure. Press the small tab to unlock the valet key. It can be found on the bottom or the side of the fob. Then, you can make use of a flat screwdriver remove the access port which is hiding the battery. After the old battery has been removed, you can install the new one and put everything back together.
If you have an older, diamond-shaped key that uses rechargeable batteries It can be difficult to replace the battery. Unlike the slant-shaped keys, these are not designed to have the battery replaced. They can be damaged by trying to pry off the back plate of the key. You can try to force it open but you'll require the assistance of a professional for doing so. It is recommended that if you need to replace a battery, you contact an auto dealer for help from a professional.
BMW keys come in many different designs. Each of these key fobs comes with a driver profile, and you can pair them with various drivers in the vehicle. This makes it easier for family members to share a car and still be in a position to personalize their driving experience.
This is the most important part because you must know what kind of key you have and how to replace it. It is crucial to know this if want your car to start once you push the buttons on your key fob. This will help you avoid frustration if the key is not working correctly, and it could also save you a lot of money since you're not obligated to pay for a service appointment at a dealership.