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Changing the Battery in Your BMW Car Key Fob Many BMWs require keys with a sleek, slant-shaped battery. This kind of battery is available at a wide range of hardware stores, and even at big-box retailers. replacement bmw keys is a simple task and can be completed in the comfort of your home. Tulley BMW Nashua can guide you through the procedure so you can get back on Johns Creek roads quickly. How to change a battery Many BMW drivers don't realize that they could require a battery change on their key fob at some point in their ownership. Fortunately, this is one of the easiest DIY car maintenance tasks that you can do yourself. It should take you no more than a few minutes to change the battery and the cost of the replacement is very low. The battery is available at local convenience stores and auto parts shops for less than ten dollars. In most cases the BMW key fob has an CR2032 battery that is also known as a “watch battery.” Remove the key fob cover, and then gently insert the new battery into it gently. Pay attention to the orientation. The new battery should be installed so that the plus and symbols for minus are facing the same direction as the previous battery. After the battery has been installed, you can replace the key fob, and then drive your BMW again. Certain older BMW models have a distinct key type that is a metal key that you insert into the ignition. The batteries that are in these keys also degrade in time, so you will need to replace them in order to get your vehicle started. This type of battery can be recharged and replacing it requires cutting a small portion of the key fob so be careful when performing this task. The procedure to replace the battery on this type of BMW key is a bit different, but extremely simple. First, you'll need remove the key made of metal from the fob, and then open the access port in the side of the key fob. Once you have opened the access port, you'll need to employ a flat screwdriver split the two halves of the key fob. When the two halves are separated, you can easily remove the dead battery and insert the new one. The two halves will snap back together after you've replaced your battery. If you require assistance or have additional questions about how to change the battery in your BMW key fob, please contact us today! Our team is always available to help. We are eager to assist you with all your automotive needs! Battery CR2450 It's possible you didn't know, but the BMW key fob requires a special battery in order to work properly. The CR2450 battery is a 3-volt coin cell battery made of lithium that helps provide power to the various functions of your key fob, such as remote locking and unlocking, Comfort Access functionality, and even remotely starting your vehicle! These functions require the additional power that comes from the CR2450 battery, which is slightly larger than its CR2032 counterpart. These batteries are available at supermarkets and gas station, as well as other retailers that sell 3-volt lithium batteries. They typically cost $7 to $9 per pack of four, but a careful comparison of prices could reveal cheaper alternatives to lesser-known brands. It's simple to change the battery in your BMW keyfob. There is no need to re-program or re-synchronize your vehicle. Simply remove the valet key from the fob, press the small tab that's in the opening, and pull out the battery. Install a new battery the same way, ensuring that the positive side is facing upwards and then put it back together. After you've replaced the battery on your BMW key fob, you must test it to make sure it locks and unlocks the car correctly and works with all of its other functions expected of it. You can, for instance press each button on the fob to ensure that they lock, turn on or off the trunk. Once everything is functioning as expected, you can put the fob back together and go going! The key fob is equipped with a chip which stores the security codes and programs needed to communicate with your BMW. The information is powered by the battery in the key fob However, the chip is designed to store this information even if the battery is removed. This is why it's important to replace the battery when it begins to wear out. BMW key fobs run on sleek CR2032 batteries. It's a standard battery type that is found in most electronics, and it's easy to replace whenever you're required to. A larger CR2450 is needed for models with remote start or Comfort Access features. This is a more powerful battery specifically designed for high-drain applications and is available from a variety of stores. They have a nominal capacity of around 600-620 mAh, and they can last for up to 10 years if properly stored. They are a great option for any application where you want to maximize longevity and performance. Choose a reputable replacement battery to get the best results. This will ensure your new battery will be high-quality, and will withstand everyday use. CR2032 Battery The CR2032 battery is a popular coin cell found in a variety of electronic devices, such as remote controls and key fobs. It is also found in fitness and medical trackers. This type of battery can also be used in heart rate monitors made by companies like Polar, Garmin, and Wahoo Fitness. It is also commonly used in bike components like road shifters from SRAM and FSA as well as in some headlights. The name suggests that the CR2032 battery is a lithium-based one and is round in form with 20 millimeters of diameter and a height of 32 millimeters. It has a low self-discharge, meaning it can be left in storage for a long time without losing any charge. This battery is popular for electronics because of its low self-discharge rate and capacity to keep an energy level even in extreme temperatures. Battery life is contingent on a variety of elements, including the material, storage conditions, time spent storing the battery, physical damage, humidity and temperature. bmw replacement keys is a dry, climate-controlled area with no physical damage. It is essential to purchase the best quality batteries from reputable retailers. Lower quality batteries can have lower mAh and die prematurely. The majority of major battery manufacturers offer lithium coin cells. They are also available in most large retail stores. Some of the most well-known include Energizer, Panasonic and Duracell. These brands are renowned for their dedication to the highest standards of safety and reliability. If you are not sure about the authenticity of the battery or its packaging it is best to ask the manufacturer for more details. When using a CR2032 it is crucial to remember that the battery has a positive and an negative terminal. The positive terminal of a CR2032 battery marked with a dot at the top. The negative terminal is marked by a line at the base. If the battery is inserted into a device with the wrong side facing up, it could damage the device or create an explosion. In contrast to other types of batteries, there is no plug or socket to connect to it. A CR2032 connects to a device via an aluminum tab. The tab has to be pressed down to connect the battery and can only be done so by hand. If you're putting a CR2032 battery into a device, such as a sensor or smoke detector, be sure that the tab contacts on the metal are in the correct position. If not the device will not work or you might have inconsistent results. The instructions for most smoke sensors and detectors include diagrams that show which way to place the batteries. If you can't find an electrical diagram for your specific device it's a good idea to watch a video that shows how to install the battery.