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Changing the Battery in Your BMW Car Key Fob Many BMWs require a key fob that has an elegant, slant-shaped, sleek battery. This type of battery is available in a variety of hardware stores and even big-box stores. The battery can be replaced in the comfort of your own home. Tulley BMW Nashua can guide you through the process so you are back on Johns Creek roads quickly. How do you change a battery Many BMW drivers aren't aware that they could require a battery change in their key fobs at some point during ownership. It's a good thing, as this is among the easiest car maintenance tasks you can tackle yourself. It should take you no more than just a few minutes to replace the battery, and the cost of the replacement is very low. The battery is available at local convenience stores and auto parts centers for less than ten dollars. In most instances, the BMW key fob has the CR2032 battery, which is also commonly known as a “watch battery.” Take off the cover of the key fob, and then gently insert the new battery into it gently. Make sure to pay attention to the orientation of the new battery since it has to be installed with the plus and minus signs in the same direction as the old one. Once lost bmw key, no spare is installed, you can replace the key fob, and then drive your BMW again. Some older BMW models have a distinct key type that is a steel key that you insert into the ignition. Keys can also become obsolete in time, and you will need to replace the battery to allow your vehicle to start. This type of rechargeable battery requires you to cut a small piece of the key fob in order to replace it. The procedure for changing the battery in this kind of BMW key is a bit different, however it's simple. First, you'll need to remove the metal key from the fob, and then open the access port in the back of the key fob. After you've opened the access port, you'll need to employ a flat screwdriver split the two halves of the key fob. Once the key fob has been separated into two halves it is easy to remove and replace the battery that has died. Snap the two halves back together once you've replaced the battery. Contact us today if you require assistance or have any concerns about replacing the battery in your BMW Key Fob. Our team is always ready to assist. We are eager to assist you with all your automotive requirements! CR2450 Battery It's not obvious, but your BMW key fob is powered by an exclusive battery to function correctly. The CR2450 battery is a 3-volt coin cell battery made of lithium that provides power to the various functions of your key fob including remote locking and unlocking, Comfort Access functionality, and even remotely starting your automobile! These functions require additional power offered by a CR2450 battery that is slightly larger in size than its CR2032 counterpart. They are available in any store that sells regular lithium batteries with a voltage of 3 volts such as gas stations and supermarkets. They usually cost between $7 to $9 for a package of four batteries, however careful price comparison shopping may reveal cheaper options from lesser-known brands. It's easy to replace the battery in your BMW keyfob. It's not necessary to re-program or re-synchronize your vehicle. Remove the valet key, pull out the battery and push the button. The new battery should be placed in exactly the same manner, making sure that the positive side faces upwards. Reassemble the fob. It's important to test your BMW keyfob after you've replaced its battery to make sure it functions as expected. This includes locking and unlocking the car and other functions. For example, you can try pressing each of the buttons on the fob to see if they turn on, lock or unlock the trunk. Once everything is functioning as expected you can put the fob back together and get going! The key fob has a chip which stores the security codes and the programming needed to communicate with your BMW. This information is powered by the battery in the key fob however, the chip is designed to retain this information even when the battery is removed. This is one of the reasons why it's important to change the battery promptly when it starts to wear out. BMW key fobs are powered by the sleek CR2032 batteries. This is a typical battery type that can be found in most electronics and is simple to replace whenever you require it. A larger CR2450 battery is required for models that utilize the Comfort Access or remote start features. This is a stronger battery specifically designed for these high-drain applications and can be bought from a variety of retailers. These batteries have an average capacity of 600-620 mAh and last up to 10 years when properly stored. These batteries are great for applications with high drains that require the highest performance and durability. For the best results, stick with a reputable brand for your replacement battery. This will ensure that your new battery is of high-quality and will hold up to rigorous everyday use. Battery CR2032 The CR2032 battery is a common coin cell that is used in a wide range of electronic devices, such as key fobs and remote controls. It is also found in fitness and medical trackers. This kind of battery can also be found in heart rate monitors manufactured by companies such as Polar, Garmin, and Wahoo Fitness. It is also used in bicycle components, such as road shifters by SRAM and FSA, as well as certain headlights. As the name implies, the CR2032 battery is a lithium-based one and is round in shape with 20 millimeters of diameter and a height of 32 millimeters. It has a very low self-discharge, so it can lie dormant for a long time, without losing much of its charge. This low self-discharge rate and the ability to keep a charge even in extreme temperatures make this a very popular battery for electronics. The life of batteries is influenced by many elements, including the material storage conditions, the amount of time spent storing, physical damage, humidity and temperature. It is recommended to keep the battery in a controlled climate and dry location that is free of physical damage or degradation. It is important to buy only high quality batteries from reputable retailers as less expensive batteries might have lower mAh capacities and can die prematurely. Coin cells made of lithium are available from all major battery manufacturers and can be found at most large retail stores. Some of the most sought-after brands include Energizer, Panasonic and Duracell. These brands are known to adhere to the most stringent safety and reliability standards. 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 keep in mind that the battery has a positive and the negative terminal. The positive terminal of a CR2032 battery marked by a dot at the top, and the negative terminal is marked by a line on the base. If the battery is inserted into a device with the wrong side facing upwards, it could damage the device or even cause the risk of fire. There isn't a socket or plug to connect the battery CR2032. A CR2032 connects to a device through a metal tab. This tab must be pulled down to connect the battery and can only be done by hand. The installation of a CR2032 into a device like a smoke detector or sensor requires the tab contacts made of metal are in the proper position. The device might not work or give inconsistent results. Fortunately, the manuals for most smoke detectors as well as sensors provide diagrams showing which way to place the battery. If you can't find the diagram for your particular device it is a good idea to watch a video showing the correct way to insert the batteries.