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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 can be found at a wide range of hardware stores, and even big-box stores.

This battery can be changed at the convenience of your home. Tulley BMW Nashua can guide you through the process so you are back on Johns Creek roads quickly.

How to Change a Battery

Many BMW drivers aren't aware that they may require a battery change in their key fobs at some point in their ownership. It's a good thing, as this is among the most simple DIY car maintenance tasks that you can tackle yourself. It should take you no more than a few minutes to change the battery and the cost of the replacement is low. You can find the battery at many local convenience stores and parts stores for less than ten dollars.

In the majority of instances, the BMW key fob has an CR2032 battery, which is also commonly called a "watch battery." Remove the cover of the key fob, and then gently insert the new battery gently. Pay attention to the orientation. The new battery should be installed in a manner that the plus and negative symbols are facing the same direction as the previous battery. After the battery has been installed and replaced, you can swap the key fob and drive your BMW again.

Some older BMW models have a distinct key type, which is a metal key that you insert into the ignition. The keys may also fail with time, requiring you to change the battery to allow your vehicle to start. This type of battery is rechargeable, and recharging it requires cutting a small part of the key fob, therefore be cautious when doing this.

This kind of BMW key has an entirely different procedure, but it is still very simple. You'll first need to remove the metal fob key and then open the port on the side of the key. After you have opened the access port, use a flat-headed screwdriver to cut the two halves off of the fob. Once the key fob has been divided in two halves it is easy to remove and replace the dead battery. After you've replaced the battery, you can simply snap the two halves of the key fob again. If you need assistance or have additional questions about how to replace the battery in your BMW key fob, contact us today! Our team is always ready to help. We look forward to helping you with all your automotive needs!

CR2450 Battery

You might not be aware however, your BMW key fob requires an exclusive battery to function correctly. The CR2450 battery is a three-volt lithium coin cell battery that powers the many different functions of your key fob such as remote locking and unlocking, Comfort Access functionality, and even remotely starting your vehicle! These functions require additional power offered by a CR2450 battery that is slightly larger in diameter than its CR2032 counterpart.

You can find these batteries in all places that sell regular 3-volt lithium batteries such as gas stations and supermarkets. These batteries typically cost between $7 and $9 for a four-pack, however a careful price comparison may reveal lower-cost alternatives from lesser-known brands.

It's simple to change the battery in your BMW keyfob. You don't need to change the program or synchronize your vehicle. Simply remove the valet key from the fob, push a small tab in the opening, and then pull out the existing battery. Place the new battery in exactly the same way and ensure that the positive side is facing towards the upward direction. Reassemble the fob.

After you've replaced the battery in your BMW key fob, it's important to test it to make sure it locks and unlocks the car correctly and also works with all its other expected functions. You can, for example press each button on the fob in order to ensure that they lock, turn on or off the trunk. If everything is working as you expect, you can put the fob back together and be going!

The key fob also contains an embedded chip that contains the security codes and programs necessary to communicate with your BMW. The information is powered by the battery in the key fob, but the chip is designed to retain the information even if the battery is removed. This is why it's important to replace the battery at the time it begins to wear 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 if needed. For models that make use of the Comfort Access and remote start features however, BMW key fob a larger battery CR2450 is required. This is a more powerful battery that's specially designed for these high-drain applications and is available from a variety of stores. These batteries can last for up to 10 Years when kept in a safe and secure manner. They come with an average power of 600-620mAh. These batteries are ideal for applications with high drains that require the highest performance and longevity. For the best results, stick to a trusted brand for your replacement bmw key cost battery. This will ensure that your new battery is of the highest quality and will stand up to rigorous daily use.

CR2032 Battery

A C2032 Battery is a popular kind of coin cell battery utilized in many electronic devices including remote controls, key fobs as well as fitness and medical trackers. This kind of battery can also be found in heart rate monitors produced 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 a few headlights.

As the name implies, a CR2032 battery uses lithium chemistry and is round in shape with a diameter of 20 millimeters and a height of 32 millimeters. It has a low self-discharge, so it can be left in storage without losing a lot of charge. The low self-discharge rate as well as the ability to hold a charge in extreme temperatures make it an extremely popular battery to use in electronic devices.

The life of batteries can depend on a variety of factors such as the quality of the material storage conditions, storage time and humidity, physical damage and temperature. Ideally, you should store the battery in a climate-controlled and dry location that is free of physical damage or degrading. It is important to only purchase the best quality batteries from reputable retailers. Lower quality batteries can have lower capacity and will eventually die.

Lithium coin cells are available from all major battery manufacturers and are available at most large retail stores. Some of the most popular brands are Energizer Panasonic and Duracell. These brands are known for adhering to the highest safety and reliability standards. If you have any doubts about the authenticity of a certain battery or its packaging, it is recommended to contact the manufacturer directly for additional details.

One of the most important points to remember when using a CR2032 battery is that it has both a positive and negative terminal. The positive terminal is identified by a dot at the top of the battery while the negative is marked by an outline across the base. If the battery is inserted into an item with the wrong side facing forward, it could damage the device or even cause the risk of fire.

In contrast to other types of batteries, there is no plug or socket to connect it. A CR2032 connects to a device through a metal tab. The tab needs to be pulled down to connect the battery, and can only be done so by hand. Installing a CR2032 into a device like a smoke detector or sensor requires the metal tab contacts be in the correct position. If not, the device might not work or you might experience inconsistent results. The instructions for all smoke sensors and detectors include diagrams that explain how to place the batteries. If you are unable to find the wiring diagram for your particular device it's recommended to watch an instructional video on the proper way to install the battery.