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Changing the Battery in Your BMW Car Key Fob Many BMWs require a key fob with an elegant, slant-shaped, sleek battery. This kind of battery is usually found at hardware stores, or even at big-box stores. The battery can be replaced at the convenience of your home. Tulley BMW of Nashua will guide you through the procedure, allowing you to be back on the Johns Creek roads in no time. How do you replace a battery Many BMW drivers don't realize that they may have to replace the battery in their key fob at some point during their ownership. Luckily, this is among the easiest car maintenance tasks that you can handle yourself. It will take no more than a few minutes to change the battery and the cost of replacement is very low. The battery can be found at local convenience stores and auto parts centers for less than ten dollars. In most cases, the BMW key fob is powered by a CR2032 battery and is often called a “watch battery.” Take off the cover for the key fob and carefully place the new battery in gently. Pay attention to the orientation. The new battery must be installed so that the plus and negative symbols are facing the same way as the previous battery. After the battery has been installed it is possible to replace the key fob, and then drive your BMW again. Some older BMW models come with a different key type that is a metal key that you insert into the ignition. The keys may also fail with time, requiring you to replace the battery to allow your vehicle to start. This type of rechargeable battery requires you to cut a tiny piece of the key fob in order to replace it. The procedure to change the battery in this type of BMW key is a little different, but very easy. First, you'll have to remove the key made of metal from the fob, and then, you'll need to open the access port in the back of the key fob. After you've opened up the access port and then, use a screwdriver that is flat to separate both halves of the fob. After the two halves have been separated, you can remove the dead battery and then insert the new one. Snap the two halves back together after you've replaced the battery. If you require assistance or have additional questions about how to change the battery in your BMW key fob, please contact us now! Our team is always available to assist. We look forward to helping you with all your automotive needs! CR2450 Battery It's possible that you didn't realize, but the BMW key fob requires a particular battery in order to perform as it should. The CR2450 is a 3-volt lithium-ion 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 the extra power that comes from the CR2450 battery, which is slightly larger than its CR2032 counterpart. These batteries are available in gas stations and supermarkets and other retailers which sell lithium batteries of 3 volts. They typically cost between $7 and $9 for a four-pack, but a careful comparison of prices could provide cheaper alternatives to lesser-known brands. It's simple to replace the battery on your BMW keyfob. There is no need to re-program or re-synchronize your vehicle. Remove the valet key, remove the battery, and then press the tab. Install the new battery exactly the same manner and ensure that the positive side faces up. Reassemble the fob. It's crucial to test your BMW keyfob after replacing its battery to ensure it is working as you expect it to. This includes locking and unlocking the car, as well as all other functions. You can, for example press each button on the fob in order to ensure that they lock, turn on or pop the trunk. If everything is working as you expect, you can put the fob back together and get going! The key fob also houses a chip that holds the security codes and program necessary to communicate with your BMW. The battery that powers the key fob is responsible for this information, but the chip will keep it even if you remove the battery. This is one of the main reasons it's important to change the battery promptly when it begins to get worn out. The majority of BMW models utilize the sleek CR2032 battery to power their key fobs. The battery is commonly used in electronic devices and is easily replaced when required. A larger CR2450 is needed for models that use the Comfort Access or remote start features. bmw key replacement price is a stronger battery that's specially made for these applications and can be purchased from a variety of retailers. They can last up to 10 years if stored properly. They come with a nominal power of 600-620mAh. These batteries are ideal for high-drain situations where you need to maximize performance and durability. For the best results, stick with a trusted brand your replacement battery. This will ensure that your new battery is of high-quality and will last through daily use. CR2032 Battery The CR2032 battery is a popular coin cell used in a wide range of electronic devices, including remote controls and key fobs. It can also be found in medical and fitness 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 used in bike parts such as road shifters from SRAM and FSA as well as in a few headlights. A CR2032 uses lithium chemistry, and has a rounded 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 remain dormant for years without losing too much of its charge. This battery is popular for electronics because of its low self-discharge rate and ability to maintain the charge even in extreme temperatures. The life of batteries is influenced by many factors, including the material storage conditions, the time spent storing, humidity, physical damage, and temperature. The ideal storage space is an air-conditioned, dry area without any physical damage. It is essential to purchase only the best quality batteries from trusted retailers since low-quality batteries could have lower mAh capacities and may be prematurely depleted. The majority of major battery manufacturers offer lithium coin cells. They are also available in most large retail stores. Some of the most popular brands are Energizer Panasonic and Duracell. These brands are known for their dedication to highest standards of safety and dependability. If you have questions regarding the authenticity of a certain battery or its packaging, it is best to contact the manufacturer directly for more information. One of the most important points to remember when using a CR2032 battery is that it has a positive and negative terminal. The positive terminal of a CR2032 battery marked by a dot at the top, and the negative terminal is marked with a line on the base. If the battery is placed into a device with the wrong side facing upwards, it could damage the device or even cause a fire hazard. There is no socket or plug to connect the battery CR2032. Instead, a CR2032 battery connects to the device via a metal tab. This tab must be pressed down to connect the battery. This is only done by hand. The installation of a CR2032 into a device like a smoke detector or sensor requires that the tab contacts made of metal are in the proper position. The device may not work or you could experience inconsistent results. The instructions for the majority of smoke sensors and detectors include diagrams that explain how to insert the batteries. If you are unable to find the wiring diagram for your particular device it's recommended to watch an instructional video that demonstrates how to insert the battery.