How to Replace a BMW Key

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 must locate a dealer who specializes in car keys that has excellent reviews. It is also recommended to visit a dealership to ensure that your replacement is programmed correctly.

Smart Keys Keys

Nowadays, a lot of new BMW cars come with a smart key system that lets you lock and unlock your car by simply pressing a button on the steering wheel. Some models also have remote systems that allow you to start the engine and close the sunroof and windows from an extended distance. These advanced keys use radio for locking / unlocking and infrared (IR) to communicate with the dashboard.

The IR circuit creates an infrared bridge bidirectional that sends commands to and from the dashboard, and also to the receptacle in the key for bmw. This lets the key control the car from a few meters away. The key also comes with an RF coil that detects the car's remote lock signal and transmits it to the dashboard.

These smart keys are also able to save information such as power seat and mirror settings. If you'd like to share access with a friend, all you need to do is pair the key to an iPhone and follow the instructions on your device. This will allow you to provide them with the key digitally and it works as long as the phone is running and within Bluetooth range.

Contrary to older key fobs for cars, which transmit the same frequency over and over (which could affect other models and makes using the same system, and could make it easier for tech-savvy thieves to take vehicles), modern smart keys emit a distinct encrypted signal every time they're used to open or close a door or open the trunk. The car's antennas respond by emitting a specific frequency to identify the key and allow it to unlock or start it.

Smart key systems can still be vulnerable to hacking, however. A skilled professional could be able to intercept IR transmissions and gain access to your vehicle. Always carry a backup key, or leave your smart key at home if you are going to eat out or shop. If you lose your keys, make sure to keep your VIN number and ID from the government in case you require an replacement.

Key Fob Batteries

The key fob is an important feature of the BMW driving experience, providing convenience and security at the press of a button. However, like everything that is dependent on a battery, the key fob's battery can die-often at the most inconvenient time. It's easy to replace BMW key fob's batteries.

To replace the key fob's battery open the fob in the seam connecting its two halves. The fob's backplate is usually secured by a notch which can be opened with either a finger or a screwdriver with a flat blade. After the backplate is removed, insert a new button cell battery into its place. The new battery is typically formed like a small coin, with plus and minus symbols on it. Insert the new battery in the same way as the old one, and then snap the fob's two halves back together.

After replacing the battery on the key fob make sure to press each button to ensure whether it functions as you expect. Based on the model you have, you may need to re-sync the key fob to your vehicle, or follow other steps to ensure that it functions properly. Refer to the owner's guide of your BMW for detailed instructions on how you can re-sync the key fob.

A weak or dead battery in your key fob can reduce the range that the signal communicates with the car, which can limit the ability to lock or open the trunk or doors, or arm/disarm the alarm system. If you are noticing that you have to stand closer and closer to your vehicle in order to get the key fob to unlock or start the engine, it's time to replace the battery.

It's simple to replace the battery on your key fob at home. After replacing the battery, you should test the keyfob's functionality by locking and unlocking your vehicle, or placing it in the ignition. Then, reassemble the key fob and test again to make sure it functions correctly. Knowing what happens when the batteries on the key fob require replacement and how to replace them and how to start a vehicle with a dead battery will allow you to take advantage of all of BMW's features.

Slant Shaped Key Batteries

If you're a genuine bmw replacement key owner, then you benefit from the many advantages of your car's keyless entry and ignition features. These conveniences make driving your BMW much more comfortable, and they can even help you avoid some common automotive problems. If you don't pay attention to the signs that your bmw 1 series key keyfob battery is low, it could quickly go out.

When your BMW key fob is dead it's not in a position to communicate with the vehicle's computer to unlock or start the engine. The battery in most BMW keys can be easily replaced. The process is straightforward and typically takes only a few minutes to complete. If you have an extra BMW key, it's a good idea to keep it in your pocket to ensure that you can replace the battery as soon as it is depleted of power.

When replacing a BMW keyfob battery, it is important to use the correct type of battery. A smart key will require a CR2450 battery, while the Comfort Access and sleek slant-shaped keys that are used in a variety of F-series models from 2011 to 2017 will require a CR2032 battery. Both are available at many department stores and auto shops at a reasonable price.

A locksmith or BMW dealership can also supply you with the replacement BMW key. These keys are laser-cut and coded by the car's manufacturer to ensure compatibility with the keyless entry and start system. The disadvantage is that these keys are more expensive than the ones from the aftermarket and may take longer to arrive. If you're looking to purchase an additional key for your BMW look into BimmerTech's easy online ordering process to save time and money.

The most popular method to start your BMW is with the traditional key, some drivers prefer to use their smartphones as an "surrogate" key. With Bluetooth technology smartphones can connect to your BMW's keyless entry and start system. This is especially helpful during hot weather in the summer, when you don't want to carry around a heavy BMW Key in your pocket.

Valet Key Batteries

Key fobs can be a useful tool, but you may sometimes run out of batteries. This can make it difficult to lock your vehicle and prevent you from being able to start the engine. Fortunately, changing a BMW key fob battery isn't too difficult and can be done at home. The steps may differ slightly based on the type of key you have however they're fairly similar.

The newer slant-shaped key batteries are simple to replace using a simple steps. You simply need to press the small tab that opens the inside of the valet key, which is found on either the side or bottom of the fob. The battery is accessible by using a flat screwdriver. After the old battery has been removed, you can install a new one and then put everything back together.

If you own an older diamond-shaped key that has a rechargeable battery, it can be more tricky to replace the battery. Unlike the slant-shaped keys, these are not designed to have the battery replaced. They can be damaged if you try to remove the back plate of the key. You can force it open, but you'll probably need the help of a professional. If you are looking to replace an old battery it is recommended to contact a dealership to get it done properly.

Another thing to consider is that there are different kinds of BMW keys to choose from. Each key fob has its specific driver profile, and can be paired with different drivers. This lets family members share the same car and still be able to customize their driving experience.

This article is most important because you need to be aware of the type of key you own and how to replace that key. It is essential to be aware of this if you would like your car to start when you push the buttons on the key fob. You can avoid frustration and save money by not having to make an appointment with the dealership in the event that your key doesn't perform as expected.