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Changing the Battery in Your BMW Car Key Fob Many BMWs require keys with a sleek, slant-shaped battery. This type of battery is available at many hardware stores and even big-box stores. The battery replacement is a straightforward process and can be accomplished at the comfort of your home. Tulley BMW Nashua can guide you through the process to ensure you can get back on Johns Creek roads quickly. How to replace a battery Many BMW drivers don't realize that they might need to change the battery on their key fob at some point during ownership. It's a good thing, as this is one of the easiest car maintenance tasks that you can handle yourself. The replacement of the battery should only take a few moments, and it is inexpensive. The battery can be found at local convenience stores and auto parts stores for less that ten dollars. In the majority of instances, the BMW key fob is powered by the CR2032 battery that is also called a “watch battery.” Remove the key fob cover, and carefully place the new battery in gently. Be sure to pay close attention to the orientation of the new battery, because it must be placed with the plus and minus indicators facing the same direction as the old one. Once the new battery is in place, simply place the cover of the key fob back on, and you'll be ready to drive your BMW around Decatur and Johns Creek again. Certain older BMW models come with a different key type that is a steel key that you insert into the ignition. Keys can also become obsolete over time, requiring you to change the battery to allow your vehicle to start. This type of battery is rechargeable, and replacing it requires cutting a small portion of the key fob so be very careful when performing this task. This type of BMW key has a slightly different procedure, but it is still very simple. First, you'll need to take off the metal fob key and then open the port on the side of the key. After you have opened the access port and then, use a screwdriver that is flat to split the two halves of the fob. Once the two halves are separated, you can easily remove the dead battery and insert the new one. Snap the two halves back together after you've replaced your battery. If you require assistance or have questions regarding how to change the battery in your BMW key fob, call us now! Our team is always available to help. We are looking forward to helping you with all your automotive requirements! Battery CR2450 It's possible you didn't know that the BMW key fob requires a particular battery in order to perform as it should. The CR2450 is a lithium-ion 3 volt coin cell battery. It powers the key fob's various functions, including remote locking unlocking, ComfortAccess, and even remote starting your vehicle! These features require a CR2450 coin cell battery, which is slightly larger than its CR2032 equivalent. They are sold in supermarkets and gas station as well as other stores that sell lithium batteries with 3 volts. They usually cost between $7 to $9 for a package of four batteries, but careful price comparison shopping could uncover cheaper alternatives from lesser-known brands. It's easy to change the battery in your BMW keyfob. There is no need to reset or re-synchronize your car. Simply remove the valet key from the fob, press a small tab in the opening, and pull out the current battery. Place a brand new battery in the same manner, making sure that the positive side is facing upwards, and rebuild the fob. After you've replaced your battery in your BMW key fob, it's important to test it to make sure it locks and unlocks the car properly and is compatible with all its other functions that are expected. bmw x5 key replacement can, for example press each button on the fob in order to verify that they lock, turn off or pop the trunk. If everything is working as you expect then you can put the fob back together and be on your way! The key fob has an embedded chip that stores the security codes and the programming needed to connect with your BMW. This information is powered by the battery in the key fob, but the chip is designed to keep this information even if the battery is removed. This is one of the reasons it is important to replace the battery quickly when it begins to wear out. BMW key fobs run on sleek CR2032 batteries. The battery is commonly used in electronic devices and can be easily replaced if needed. A larger CR2450 battery is required for models that use the remote start or Comfort Access features. This is a more powerful battery, specially made for high-drain use. It is available at various stores. They can last up to 10 years when stored properly. They have a nominal power of 600-620mAh. They are a good option for any application where you want to maximize durability and performance. For the best results, you should go with a reputable brand for your replacement battery. This will ensure that the new battery is of the highest quality and will hold up to the demands of everyday use. CR2032 Battery The CR2032 battery is a common coin cell that is used in a wide range of electronic devices, such as remote controls and key fobs. It is also used in fitness and medical trackers. This kind of battery can also be found in heart rate monitors made by companies such as Polar, Garmin, and Wahoo Fitness. It is also commonly utilized in bike components such as road shifters from SRAM and FSA as well as in some headlights. A CR2032 makes use of lithium chemistry and is a round shape with a diameter and a height of between 20 and 32 millimeters. It has a very low self-discharge rate, which means it can lie dormant for a long time, without losing much of its charge. This low self-discharge and the ability to hold a charge in extreme temperatures make it an extremely popular battery for use in electronics. Battery life depends on a variety of factors including material quality, storage conditions such as storage time, humidity, physical damage and temperature. It is recommended to keep the battery in a controlled climate and dry area with no physical damage or degradation. It is crucial to only purchase high-quality batteries from reliable retailers. Batteries that are not of the highest quality may have lower mAh capacity and die prematurely. Most major battery manufacturers sell lithium coin cells, and they are also available in most large retail stores. The most well-known are Energizer Panasonic and Duracell. These brands are known for their dedication to the highest standards of safety and reliability. If you have any questions about the authenticity of a particular battery or its packaging, it's recommended to contact the manufacturer directly for additional information. When using a CR2032 it is crucial to remember that the battery has a positive terminal and the negative terminal. The positive terminal is identified by a dot at the top of the battery and the negative terminal is marked with an arc across the base. If the battery is inserted into a device with the wrong side facing forward, it could damage the device or create an explosion. In contrast to other types of batteries, there's no plug or socket to connect to it. Instead a CR2032 battery connects to the device through the metal tab. The tab has to be pressed down to connect the battery, and is only done by hand. If you're putting the CR2032 battery into a device, such as a sensor or smoke detector make sure the tab contacts on the metal are in the right location. The device might not function, or you may experience inconsistent results. Fortunately, the instructions for most smoke detectors as well as sensors will provide diagrams of the proper way to insert the battery. If you're unable to locate the wiring diagram for your specific device It's recommended to watch an instructional video that demonstrates how to insert the battery.