Replace Bmw Key Tips That Will Change Your Life How to Replace a BMW Key

The replacement of a BMW key is costly. 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 with good reviews. It is also recommended that you visit a dealership to ensure that the replacement key is properly programmed.

Smart Keys Keys

A lot of new BMW models are equipped with an intelligent-key system that allows you to lock and unlock your car with just a click on the steering wheel. Some models also feature remotes that allow you to start the engine and close the sunroof and windows from the distance. These advanced keys make use of radio to lock / unlock and infrared to communicate with dashboard.

The IR circuit is a two-way infrared link that transmits and receives commands from the dashboard, in addition to the receptacle within the key. This lets the key control the car from a few meters away. The key is equipped with an RF coil which receives and transmits the remote signal for locking from the car to the dashboard.

The smart keys can also save information such as power seat and mirror settings. If you'd like to share access to a person with whom you share access, all you need to do is connect the key with an iPhone and follow the prompts on your device. This will provide them with a key that can be used as long as their phone is in Bluetooth range.

Modern smart keys, unlike older car key fobs that transmit the same frequency continuously (which could harm cars using the same system, making it easier for criminals with tech skills to steal vehicles), broadcast a different encrypted message each time they're used to open or shut doors or open the trunk. The radio antennas in the vehicle respond by generating the corresponding frequency to identify the key, lock it or turn it on.

Smart key systems could be vulnerable to hacking, however. An experienced professional can be able to intercept the IR transmissions and gain access to your vehicle. Always have a backup key or leave your smart key at home if are planning to eat out 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 essential feature of the BMW driving experience, offering security and convenience with the push of one button. The key fob battery can also die, as with any device powered by a battery. This happens at the most inconvenient time. It's easy to replace BMW key fob's battery.

Open the fob along the seam that joins the two halves. The backplate of the fob is typically fixed by a notch which can be opened with a finger or a flat-blade screwdriver. After the backplate is removed, you can insert a new button cell battery in the slot. The new battery is likely to appear like a small coin, with plus and minus marks printed on it. Place the new battery in the same orientation as the old one, then snap the fob's two halves together.

After replacing the battery on the key fob make sure to press each button to verify that it is working as expected. Based on the model you have you may need to re-sync the key fob to your vehicle or follow additional steps to ensure proper function. If you need to sync your key fob again check the owner manual for the specific instructions applicable to your BMW.


A dead or weak battery in your key fob can limit the range at which the signal communicates with the car, limiting the ability to lock or unlock the doors or trunk, or arm/disarm the alarm system. It is time to replace the battery if you notice that you need to get closer to your car to unlock the doors or start the engine.

Change the battery of the key fob is a simple job that can be done at home. After replacing the battery, you should check the functionality of the keyfob 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 ensure it works properly. Knowing the time when the batteries of the key fob require replacement and how to replace them and how to start a car with a dead battery will enable you to make the most of BMW's features.

Slant Shaped Key Batteries

If you're a BMW owner, then you enjoy the benefits of the keyless entry and ignition features. These features make driving your BMW much more comfortable, and they can even assist you in avoiding some common car issues. However, if you aren't careful about 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 not capable of communicating with the vehicle's computer to unlock or start the engine. The batteries that are found in many BMW keys can be easily replaced. The process is simple and takes only minutes. Keep an extra BMW in your pocket to replace the battery when it is exhausted.

The most important thing to keep in mind when changing a BMW key fob battery is to select the right type of replacement battery. A smart key will require the CR2450 battery, whereas the Comfort Access and sleek slant-shaped fobs used in many F-series models between 2011 and 2017 will require a CR2032 battery. Both are available at many department stores and auto shops for fairly cheap prices.

A locksmith or BMW dealership can also provide you with the replacement BMW key. These keys are laser cut and digitized by vehicle manufacturers to ensure compatibility with keyless entry and starting systems. The disadvantage is that they are more expensive than ones from the aftermarket and may take longer to arrive. BimmerTech offers a convenient online ordering system for BMW replacement keys. This will save you time and money.

While bmw car keys replacement used method to start your BMW is using a traditional key certain drivers prefer to use their smartphones as an "surrogate" key. With Bluetooth technology, your smartphone 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 bulky BMW Key in your pocket.

Valet Key Batteries

A key fob can be a useful tool, but it is possible to run out of batteries. This can make it difficult to lock your car and also stop you from being able to turn on the engine and drive. Fortunately, replacing the BMW key fob battery isn't difficult and can be done at home. The steps can vary a little depending on what kind of key you own however they're fairly similar.

It is simple to replace the newer key batteries that have a slant shape with an easy procedure. You simply need to press the small tab to release the inside of the valet key located on the bottom or side of the fob. You can then use a flat screwdriver to take out the access port that conceals the battery. After you've removed the old battery and replacing it with a brand new one. Then put everything back together.

If you have an older, diamond-shaped key that uses a rechargeable battery, it can be more difficult to replace the battery. These keys are not designed to be replaced with batteries, and they can be damaged if you try to remove the backplate. You can attempt to open it, but you will likely require the assistance of a professional for doing this. If you need to replace an old battery, it is recommended that you contact a dealership to get it done properly.

BMW keys come in many different designs. Each key fob comes with its own driver profile and can be linked to various drivers. This allows family members to share a single car while being capable of adjusting their driving experience.

The most important thing to remember in this article is that you need to know the type of key you have and how to replace it. This is vital if want to ensure that your car can start when you push the buttons on your fob. You will save yourself frustration and money by not needing to make an appointment at the dealership when your key doesn't work properly.