How to Replace a BMW Key

Replacement of the BMW key is expensive. BMW keys are highly-technical, and need to be reprogrammed to function with the vehicle.

You can save money by purchasing a brand new BMW car key online, but you must find a seller who specializes in car keys that has excellent reviews. It's also recommended that you visit a dealer to ensure that your replacement is programmed correctly.

Smart Keys

Many new BMW models are equipped with a smart-key system that lets you lock and unlock your vehicle by simply pressing the steering wheel. Some models come with a feature that allows you to start the engine from a distance and also remotely shut the windows and open the sunroof. These advanced keys use radio for locking / unlocking as well as infrared (IR) to communicate with the dashboard.

The IR circuit powers an infrared link with two ways which transmits commands from the dashboard, in addition to the receptacle in the key. This allows the key to control the car from a couple of meters away. The key also features an RF coil that detects the car's remote lock signal and transmits it to the dashboard.

These smart keys can also store information, such as the power seat and mirror settings. To share access with someone, you simply need to pair the key to an iPhone and then follow the directions on your device. This will allow you the key to be shared with them that works as long as their phone is connected and within Bluetooth range.

In contrast to older key fobs that transmit the same frequency over and over (which could impact other makes and models utilizing the same system, and could makes it easier for thieves with a tech background 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 vehicle's embedded radio antennas respond by creating the corresponding frequency to identify the key, unlock or start it.

Smart key systems can still be vulnerable to hacking, however. A skilled professional can snoop on IR transmissions and gain access to your vehicle. To protect yourself, always keep a backup key on hand or ensure you leave the smart key at home whenever you go out for a meal or out shopping. If you lose your keys, make sure to have the VIN number of your BMW and your government ID in case you have to get an exchange from the dealer.

Key Fob Batteries

The key fob is an essential element of the BMW driving experience, providing security and convenience with the push of one button. But, as with everything that relies on batteries, the key fob's battery can die-often at the worst possible time. Fortunately the replacement of a BMW key fob's battery is simple and quick.

To replace the battery of the key fob open the fob in the seam that joins its two halves. The backplate of the fob is secured by a the notch that can be opened with an screwdriver with a flat blade or a finger. Place a brand new button-cell battery into its place after taking off the backplate. The new battery is usually designed to look like a small coin, with plus and minus symbols printed on it. The new battery should be placed in the same direction as the previous one, and then snap the fob's two halves back together.

After replacing the battery Test it by pressing the buttons on the fob to make sure they function as expected. Based on the model you have, you may need to re-sync the key fob with your vehicle or follow additional steps to ensure proper operation. Consult the owner's manual of your BMW for detailed instructions on how you can re-sync the key fob.

A weak or dead battery for the key fob could reduce the range of the signal it transmits with your car, limiting its ability to lock and unlock trunk and doors and arm/disarm the alarm system. If you're finding that you have to stand closer and closer to your car to access the key fob to unlock or start the engine, it is likely time to replace the battery.

Changing the key fob's battery is a straightforward task that can be accomplished at home. After replacing the battery, you should test the function 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 that it works properly. Knowing when the key fob's batteries need to be changed, how to replace them and how to start a vehicle with a dead battery will help you enjoy 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 conveniences can make driving your BMW more comfortable and BMW key fobs may even assist you avoid common automotive issues. However, if you aren't careful about the signs that your BMW key fob battery is getting low, it can quickly become depleted of power.

If your BMW key fob is damaged and it isn't able to communicate with the vehicle computer to open the doors or even start the motor. Fortunately, the battery inside the majority of BMW key fobs can be replaced cheaply. The procedure is simple and takes just about a minute. Keep an extra BMW in your pocket to replace the battery when it runs out.

The most important thing to keep in mind when changing the BMW key fob battery is to select the right replacement battery. A smart key requires an CR2450 battery. Likewise, 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 kinds can be bought in most auto shops and department stores 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 vehicle's manufacturer to ensure compatibility with the keyless entry and start system. These keys are more expensive and take longer to arrive than replacement versions. BimmerTech provides a user-friendly online ordering system for BMW replacement keys for bmw keys. This will help you save time and money.

Some drivers prefer to use smartphones as a "surrogate key" to start their BMW. Your smartphone can connect to your BMW's keyless entry and start system via Bluetooth technology. This is particularly useful on hot weather, when you don't wish to carry around a heavy BMW Key in your pocket.

Valet Key Batteries

Key fobs are very useful tool but at times, you may be unable to recharge your battery. This can make it difficult to lock your car and also prevent you from being in a position to start the engine. It is easy to replace the battery in the case of a BMW keyfob. The steps vary slightly depending on the type of key you have, but they are all fairly similar.

It is easy to replace the more modern key batteries with a slant-shaped design by following a an easy procedure. Press the small tab to unlock the valet key. It can be found on the bottom or the side of the fob. The battery can be accessed by using a flat screwdriver. After the old battery has been removed, you can put in another one and put it back together.

If you have an older diamond-shaped key that has a rechargeable battery it could be more difficult to replace the battery. These keys are not designed to be replaced using batteries, and could be damaged if you attempt to pry the backplate off. You may force it open, but you'll probably need the help of a professional. If you need to replace a battery that is old it is recommended to contact a dealership to get it done properly.

Another thing to consider is the fact that there are a variety of different types of BMW keys that are available. Each key fob has its specific driver profile, and can be connected to different drivers. This allows family members to share the same car but still have the ability to personalize their driving experience.

This article is most important because you need to know what kind of key you have and how to replace it. This is vital if want to ensure that your vehicle will be able to start when you push the buttons on your fob. You can save yourself frustration and money by not having to make an appointment with the dealership in the event that your key doesn't perform as expected.