How to Replace a BMW Key
Replacement of the BMW key is costly. BMW keys are high-tech and require reprogramming in order to work with the vehicle.
The purchase of a new BMW key online could save you money, however it is crucial to find a vendor that specializes in car keys and has good reviews. It is also recommended that you visit the dealership to ensure that your new key is properly programmed.
Smart Keys
Today, many of the latest BMW models come with a smart key system that lets you lock and unlock your car with just a click of an icon on the steering wheel. Certain models also come with a remote system that allows you to start the engine and close the windows and sunroof from an extended distance. These advanced keys make use of radio to lock and unlock, and infrared to connect with the dashboard.
The IR circuit powers a two-way infrared link which transmits commands from and to the dashboard, in addition to the receptacle in the key. This allows the key to control the car from just a few meters away. The key also comes with an RF coil that receives the remote lock signal from the car and transmits it to the dashboard.
These smart keys also have the ability to store information such as mirror and power seat settings. To share access with someone else, you simply need to pair the key with an iPhone and then follow the instructions on your device. This will enable you to provide them with the key digitally and it can be used when the phone is running and is within Bluetooth range.
In contrast to older key fobs, which transmit the same frequency over and over (which could be affecting other models and makes using the same system, and could make 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 pop the trunk. The radio antennas in the vehicle respond by creating the corresponding frequency to identify the key, unlock or start it.
Hacking is possible, but it isn't impossible. A skilled professional can intercept IR transmissions and gain access to your vehicle. Always have a backup key or leave your smart key at home when you plan to eat out or shop. If you lose your keys, make sure to keep your VIN number and government ID handy in the event that you require a replacement.
Key Fob Batteries
The key fob is an important feature of the BMW driving experience, providing convenience and security with the push of a button. However, like bmw car key replacement that relies on batteries, the key fob's battery will eventually die, often at the worst possible time. Fortunately, replacing the BMW key fob battery is simple and quick.
Open the fob at the seam which connects 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. Once the backplate is removed, you can insert a new button cell battery into its place. The new battery will typically look like a small coin and will have plus and minus signs printed on it. The new battery should be placed in the same way as the previous 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 expected. Based on the model you have you may need to re-synchronize the key fob with your vehicle or follow additional steps to ensure that it functions properly. Refer to the owner's guide of your BMW for more detailed instructions on how to sync the key fob.
A weak or dead key fob battery could reduce the range of the signal it transmits with your vehicle, limiting its ability to lock and unlock trunk and doors, or arm/disarm the alarm system. It is time to replace your battery if you discover that you must move closer to your car to unlock the doors or start the engine.
The battery replacement for the key fob is a simple job that can be completed at home. Once the battery is replaced it is crucial to test the key fob's functions by locking and unlocking the vehicle or putting it in the ignition. Reassemble the keyfob and then test it again to make sure that it's functioning properly. If you know the moment when a key fob's batteries must be replaced and knowing how to replace the battery, and knowing how to start your car with a a dead key fob battery, you will be well on your way to enjoying the BMW's convenience and secure features.
Slant Shaped Key Batteries
BMW owners will likely benefit from the keyless entry system and ignition. These features can make driving your BMW more enjoyable and can help you avoid common issues with your car. If you aren't paying attention to the signs that your BMW keyfob battery is low, it could quickly be out of charge.
If your BMW key fob is damaged and is no longer able to communicate with the vehicle's computer in order to unlock or start the engine. Fortunately, the battery in most BMW key fobs can be replaced relatively cost-effectively. The process is easy and takes just about a minute. Keep an extra BMW in your pocket to charge the battery if it runs out.
The most important thing to remember when changing a BMW key fob battery is to use the correct replacement battery. A smart key requires a CR2450 battery, while the Comfort Access and sleek slant-shaped fobs utilized in a number of F-series models between 2011 and 2017 will require a CR2032 battery. Both types can be purchased in most department stores and auto shops at reasonable prices.
A locksmith or BMW dealership can also supply you with an alternative 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 downside is that the keys are more expensive than the 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.
The most popular method to start your BMW is using a traditional key however, some drivers prefer to use their smartphones as an "surrogate" key. Your smartphone can connect to your BMW's keyless entry and start system using Bluetooth technology. This can be especially useful during hot weather when you don't wish to carry an oversized BMW key in your pocket.
Valet Key Batteries
Key fobs are a extremely useful tool, but sometimes you may be unable to recharge your battery. This can make it difficult to lock your vehicle and also prevent you from being in a position to start the engine. It is simple to replace the battery on a BMW keyfob. The steps can differ based on the type of key, however they're all fairly similar.
The newer slant-shaped key batteries are easy to replace through a a simple process. You just need to press the small tab that releases the inside of the valet key which is found on either the side or bottom of the fob. You can then make use of a flat screwdriver take out the access port that is hidden by the battery. After you've removed the old battery you can replace it with a brand new one. After that, you can put it back together.
If you own an older diamond-shaped key with a rechargeable battery, it can be more tricky to replace the battery. Contrary to the slant-shaped key, they aren't designed to have the battery replaced and can be damaged if you try to remove the back plate of the key. You can force it open but you'll likely need to hire a professional. If you need to replace a battery that is old, it is recommended to contact a dealer to get it done properly.
Another thing to take into consideration is that there are different types of BMW keys available. Each key fob comes with its own driver profile and can be connected to various drivers. This lets family members share the same vehicle, while still being able customize their driving experience.
This is the most important part because you must be aware of the type of key you own and how to replace that key. It is crucial to know this if you would like your car to start when you press the buttons on your key fob. You can save yourself frustration and money by not needing to pay for an appointment at the dealership when your key doesn't perform as expected.