How to Replace a BMW Key
The replacement of a BMW key is expensive. BMW keys are high-tech and need to be reprogrammed in order to work with the vehicle.
You can save money by purchasing a new BMW car key online, but you should find a seller who is an expert in car keys with good reviews. It is also recommended that you visit a dealership to make sure that your replacement is properly programmed.
Smart Keys 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 one button on the steering wheel. Some models also feature a remote system that allows you to start the engine and close the sunroof and windows from a distance. These keys are advanced and use radio for locking or unlocking and infrared (IR) to communicate with the dashboard.
The IR circuit creates a bidirectional infrared bridge which sends commands from and to the dashboard and to the receptacle in the key. This allows the key to control the car from a couple of meters away. The key also has an RF coil that detects the car's remote lock signal and transmits it to the dashboard.
The smart keys can also store information, such as the power seat and mirror settings. To give access to someone else, you simply need to pair the key with an iPhone and then follow the instructions on your device. This will allow you to provide them with a digital key that works for as long as your phone is running and in Bluetooth range.
Modern smart keys, as opposed to older key fobs for cars that transmit the same frequency repeatedly (which could impact cars that use the same system, making it easier for cyber-savvy criminals to take cars), broadcast a different encrypted message each time they're used to open or close doors or open the trunk. The antennas in the vehicle respond by emitting a specific frequency to identify the key and unlock or turn it on.
Smart key systems can still be vulnerable to hacking however. A skilled professional can snoop on IR transmissions to gain access to your vehicle. Always have a backup key or leave your smart key at home if you plan to go out to eat or shop. If you lose your keys, be sure to keep your VIN number and government ID handy in case you need a replacement.
Key Fob Batteries
The key fob is an important element of the BMW driving experience, offering convenience and security by pressing a button. But, just like anything that relies on batteries the battery of the key fob will eventually die, often at the most inconvenient time. It's simple to replace the BMW key fob's batteries.
Open the fob along the line that joins the two halves. The backplate of the fob is typically held in place by a notch that can be opened with either a finger or a flat-blade screwdriver. After the backplate has been removed, insert a new button cell battery in its place. The new battery is typically formed like a small coin, with plus and minus symbols on it. The new battery should be placed in the same orientation as the old 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 function as you expect. Based on the model, you may need to reconnect your key fob to your vehicle or take additional steps to make sure it works correctly. Check the owner's manual for your BMW for more detailed instructions on how you can re-sync the key fob.
A dead or weak battery in your key fob can limit the range at which it communicates with your vehicle, limiting its ability to lock or unlock the trunk or doors or arm/disarm the alarm system. If you're finding that you need to step closer and closer to your vehicle to get the key fob to unlock or start the engine, it's time to replace the battery.
Change the battery of the key fob is a straightforward task that can be accomplished at home. After the battery has been replaced it is crucial to verify the function of the key fob by locking and unlocking the vehicle or inserting it into the ignition. Reassemble the keyfob and then test it again to make sure that it's working as intended. Knowing what happens when the batteries on the key fob need to be replaced, how 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, then you take a lot of advantage of your car's keyless entry and ignition features. These features can make driving your BMW more enjoyable and can help you to avoid some common automotive issues. However, if you aren't attentive to the indicators that your BMW key fob battery is depleting it could quickly be out of juice.
If your BMW key fob fails to function and cannot communicate with the car computer to unlock the doors or start the motor. The battery in most BMW keys can be easily replaced. The process is easy and takes just about a minute. Keep a spare BMW in your pocket to recharge the battery if it gets depleted.
When replacing a BMW keyfob battery, it is crucial to use the correct type of battery. A smart key will require the CR2450 battery, whereas the Comfort Access and sleek slant-shaped keys that are used in a variety of F-series models from 2011 until 2017 will require the CR2032 type of battery. Both types are available at most auto shops as well as department stores at affordable prices.
A locksmith or BMW dealership can also provide you with the replacement BMW key. The keys are laser-cut and coded by the car manufacturers to ensure compatibility with keyless entry and starting systems. They are more expensive and take longer to arrive than the aftermarket ones. If you're considering purchasing a replacement key for your BMW, consider using BimmerTech's online ordering system to save time and money.
While the most common way to start your BMW is to use keys that are traditional however, some drivers prefer to use their smartphones as a "surrogate" key. Your smartphone can connect to the keyless entry and start system via Bluetooth technology. This can be particularly useful on hot days when you don't wish to carry the weighty BMW key in your pocket.
Valet Key Batteries
Key fobs are extremely useful tool but at times, you may be unable to recharge your battery. This can make it hard to secure your car and it can also prevent you from turning on the engine and drive. Luckily, replacing a BMW key fob battery isn't difficult and can be done at home. The steps may differ slightly depending on the type of key you have however they're very similar.
It is easy to replace the more modern key batteries that have a slant shape with a simple procedure. You simply need to press the small tab that opens the inside of the valet key which is found on either the bottom or side of the fob. Then, you can employ a flat screwdriver to remove the access port that conceals the battery. After the old battery has been removed, you can put in another one and put everything back together.
If bmw key fob replacement have an older diamond-shaped key that has a rechargeable battery, it can be more tricky to replace the battery. Contrary to the slant-shaped key, they aren't intended to have the battery replaced and can be damaged when trying to pry off the back plate of the key. You may force it open, but you'll most likely need a professional. If you need to replace an old battery, it is recommended to contact an authorized dealer to have it done professionally.
Another thing to think about is that there are many different types of BMW keys available. Each of these key fobs has a specific driver profile, and you can pair them with different drivers in your vehicle. This makes it simpler for family members to share a vehicle and still be able to customize their driving experience.
This is the most important part because you must know which kind of key you have and how to replace that key. This is vital if want to ensure that your car can start when you push the buttons on your fob. You will avoid frustration and save money by not having to pay for an appointment with the dealership when your key doesn't perform as expected.