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How to Replace a BMW Key The replacement of a BMW key is costly. This is because BMW keys are high-tech and require reprogramming in order to work with your vehicle. Purchasing a new BMW key online could save you money, however it is crucial to find an online retailer that is specialized in car keys and has good reviews. It is also recommended to visit a dealership to make sure that the replacement key is programmed correctly. Smart Keys Keys Today, many new BMW vehicles come standard with an intelligent key system that lets you lock and unlock your vehicle with a simple click of one button on the steering wheel. Additionally, certain models also come with a system that lets you start the engine from a distance, and also remotely shut the windows and the sunroof. These keys are advanced and use radio to lock / unlock, and infrared to connect with dashboard. The IR circuit powers a two-way infrared link which transmits and receives commands from the dashboard, in addition to the receptacle in the key. This allows the key to control the car from a few meters away. The key also features an RF coil that receives the remote lock signal of the car and transmits it to the dashboard. These smart keys can also be used to store information such as power seat and mirror settings. If you wish to share access with a friend, all you need to do is connect the key with an iPhone and follow the instructions on your device. This will give them a key that can be used as long as their phone is in Bluetooth range. Modern smart keys, in contrast to older car keys that transmit the same frequency repeatedly (which could affect cars using the same system and make it easier for tech-savvy criminals to steal cars), broadcast a different encrypted message each time they are used to open or shut the door or to open the trunk. The vehicle's embedded antennas then respond by generating a corresponding frequency in order to recognize the key, and then unlock or start it. Smart key systems may be vulnerable to hacking however. An experienced professional can be able to intercept IR transmissions to gain access to your car. Always have a backup key or leave your smart key at home when you plan to go out to eat or shop. If you lose your keys, make sure to keep the VIN number of your BMW and a government ID in case you need to obtain an exchange from the dealer. Key Fob Batteries The BMW key fob offers security and convenience at the click of a button. The key fob battery can also go out of service, as with everything powered by a battery. This happens at the worst time. It's easy to replace BMW key fob's batteries. Open the fob along the seam which connects the two halves. The backplate of the fob is typically held in place by a notch that can be opened with the fingers or a flat-blade screwdriver. Place a brand new button-cell battery after removing the backplate. The new battery is usually designed to look like a small coin, with plus and minus symbols printed on it. Inject the new battery into the fob in the same orientation that you used to insert the old battery and then snap the two halves together. After replacing the battery on the key fob, press each button to ensure whether it functions as you expect. Based on the model of your car you may need to re-synchronize the key fob with your vehicle or follow additional steps to ensure proper function. 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, limiting the capability to lock or unlock the trunk or doors or arm/disarm the alarm system. If you notice that you have to stand closer and closer to your vehicle to get the key fob to unlock or start the engine, it's time to replace the battery. It's easy to replace the battery inside your key fob at home. After replacing the battery, test the keyfob's functionality by locking and unlocking your vehicle or placing it in the ignition. Reassemble the keyfob and then test it again to confirm that it's functioning properly. Knowing when the key fob's batteries require replacement, 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 BMW owners are likely to benefit from the keyless entry system and ignition. These features make driving your BMW more enjoyable and could assist you in avoiding some common car problems. If you aren't paying attention to the indicators that your BMW keyfob battery is low, it may run out. If your BMW key fob fails to function and it isn't able to communicate with the computer in the vehicle to unlock the doors or even start the motor. Fortunately, the battery inside most BMW key fobs is replaceable inexpensively. The process is straightforward and usually takes just an hour to complete. Keep an extra BMW in your pocket to charge the battery if it gets depleted. When replacing the BMW keyfob battery, it is crucial to select the right type of battery. The smart key requires a CR2450, while the sleek slant-shaped and Comfort Access fobs that were used in a variety of F series models from 2011 to 2017, require a CR2032 battery. Both are available in the majority of auto shops as as department stores at a reasonable price. A locksmith or BMW dealership can also supply you with an alternative BMW key. These keys are laser-cut, and encoded by the manufacturer of the vehicle to ensure compatibility with the keyless entry and start system. The disadvantage is that these keys are more expensive than the aftermarket versions and can take longer to arrive. BimmerTech provides a user-friendly online ordering system for BMW replacement keys. This will save you time and money. While the most common way to start your BMW is using the traditional key, some drivers prefer to use their smartphones as an “surrogate” key. By using Bluetooth technology smartphones can connect to your BMW's keyless entry and start system. This is particularly useful on hot summer days, when you don't wish to carry around a bulky BMW Key in your pocket. Valet Key Batteries Key fobs are a useful device but at times, you may be unable to recharge your battery. This could make it difficult to lock your car, and it could also prevent you from turning on the engine and drive. Luckily, replacing the BMW key fob battery is not difficult and can be done at home. The steps may vary depending on the type of key, but they're all fairly similar. The newer slant-shaped key batteries are easy to replace through a simple steps. Simply press the small tab to release the inside of the valet key, located on the side or bottom of the fob. The battery can be accessed with a screwdriver that is flat. Once the old battery is removed, you can put in another one and put everything back together. It can be a challenge to replace a battery on the older diamond-shaped keys with a rechargeable one. Contrary to the slant-shaped key, they are not designed to be replaced. They could be damaged when trying to remove the back plate of the key. You can try to force it open but you'll need a professional to do the job. If you are looking to replace an old battery It is recommended that you contact a dealership to get it done by a professional. BMW keys are available in a variety of different designs. Each key fob has its specific driver profile, and can be paired to various drivers. This allows family members to share a single car while being in a position to personalize their driving experience. This is a crucial article since you need to know what type of key you own and how to replace that key. It is essential to know this if you would like your car to start when you push the buttons on the key fob. bmw key replacement near me will avoid frustration and save money by not needing to pay for an appointment at the dealership if your key does not work properly.