Changing the Battery in Your BMW Car Key Fob

Many BMWs require that the key fob be equipped with a slant-shaped, sleek battery. This type of battery is available at a wide range of hardware stores, and even big-box stores.

The battery replacement is a very simple process and can be done in the comfort of your own home. Tulley BMW of Nashua will walk you through this procedure, allowing you to be back on the Johns Creek roads in no time.

How to replace a battery

Many BMW owners don't know that they may have to replace the battery in their keyfob at some moment. This is among the most simple DIY car maintenance tasks that you can perform yourself. The replacement of your battery will take just a few minutes and is a bargain. The battery can be found at many local convenience stores and parts centers for less than ten dollars.

The BMW key fob is normally powered by a CR2032 or a "watch" battery. Remove the key fob's cover and then gently place the new battery. Pay attention to the orientation. The new battery must be installed so that the plus and minus symbols are facing the same way as the previous battery. Once the new battery has been put in place, simply place the cover for the key fob back on, and you'll be ready to drive your BMW around Decatur and Johns Creek again.

Some older bmw replacement key fob models use an alternative type of key that is the physical key made of metal that inserts into the ignition. The batteries that are in these keys will also degrade with time, so you'll have to replace them to get your vehicle running. This type of rechargeable battery requires you to cut a small piece of the key fob to replace it.

This type of BMW key requires 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 other side of the key. Once you've opened the access port and then, use a screwdriver that is flat to separate both halves of the fob. Once the two halves are separated, you can easily remove the dead battery and then insert the new one. After you've changed the battery, simply snap the two halves of the key fob again. Contact us today if you need assistance or have concerns about replacing the battery on your BMW Key Fob. Our team is always available to assist. We look forward to helping you with your car requirements.

CR2450 Battery

It's possible you didn't even know, but the BMW key fob requires a specific battery to perform as it should. The CR2450 battery is a three-volt lithium coin cell battery that helps provide power to the many different functions of your key fob, including remote locking and unlocking, Comfort Access functionality, and even remotely starting your car! These features require the CR2450 coin cell battery, which is slightly larger than its CR2032 equivalent.

You can find these batteries in most places that sell regular 3-volt lithium batteries such as gas stations and supermarkets. They usually cost between $7 to $9 for a set of four batteries. However, careful price comparison shopping could reveal cheaper options from lesser-known brands.

Change the battery inside your BMW key fob is a simple procedure that doesn't require additional programming or keys resyncing to your vehicle. Simply remove the valet key from the fob, push a small tab in the opening, and pull out the existing battery. Install a new battery the same way, ensuring that the positive side is facing up and then 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 vehicle correctly and works with all of its other functions that are expected. You can, for example, press each button on the fob to verify that they lock, turn on or remove the trunk. Once you're certain that everything works as is expected you can put the fob on and go!

The key fob also has an electronic chip that stores the security codes and programming required to connect with your BMW. The key fob battery powers this information, however the chip will keep it even after you have removed the battery. This is one of the reasons why it's crucial to replace the battery quickly when it begins to wear out.

The majority of BMW models use the sleek CR2032 battery to power their key fobs. It's a standard battery type that is found in all electronics and is easy to replace whenever you require it. A larger CR2450 is needed for models that utilize the remote start or Comfort Access features. This is a more powerful battery that is specifically designed for these high-drain applications and is available from a wide range of retailers. These batteries can last for up to 10 years if kept in a safe and secure manner. They come with an average power of 600-620mAh. They are a good choice for any high-drain application where you're looking to maximize longevity and performance. Make sure you choose a reliable replacement bmw key battery for the best results. This will ensure your new battery will be high-quality and will last through the demands of daily use.

CR2032 Battery

The battery CR2032 is a standard coin cell found in a wide range of electronic devices, such as key fobs and remote controls. It is also used in fitness and medical trackers. This kind of battery can also be used in heart rate monitors made by companies like Polar, Garmin, and Wahoo Fitness. It is also widely found in bike components such as road shifters by SRAM and FSA as well as some headlights.

A CR2032 makes use of lithium chemistry and has a round shape with a diameter and height of 20 and 32 millimeters. It has a low self-discharge, which means it can remain in storage for a long time without losing any charge. This low self-discharge and the capacity to keep a charge even in extreme temperatures make this a very popular battery for electronic devices.

Battery life depends on many factors, including the material storage conditions, the duration of storage, humidity, physical damage, and temperature. Ideal storage is in a dry, climate-controlled area with no physical damage. It is essential to purchase the best quality batteries from reliable retailers. Lower quality batteries can have lower mAh and may die prematurely.

The majority of major battery manufacturers sell lithium coin cells, and they are also available in most large retail stores. Among the most popular are Energizer Panasonic and Duracell. These brands are known for their commitment to the highest standards of security and keys reliability. If you have any questions regarding the authenticity of a specific battery or its packaging, it's recommended to contact the manufacturer directly to obtain additional details.

One of the most important aspects to keep in mind when using a CR2032 battery is that it has a positive and negative terminal. The positive terminal of a CR2032 batteries is marked with a dot at the top, while the negative terminal is marked by a line on the base. If you insert the battery into a device wrong way up, the device could be damaged or even be a fire hazard.

There isn't a socket or plug to connect the CR2032 battery. Instead the CR2032 battery connects to the device via an aluminum tab. The tab has to be pulled down to connect the battery and can only be done so by hand. Installing a CR2032 into a device, such as a smoke detector or sensor requires the tab contacts on the metal be in the proper position. If they aren't, the device might not work or you could experience inconsistent results. The instructions for most smoke detectors and smoke sensors include diagrams that indicate how to place the batteries. If you cannot find a diagram for your device, it is a good idea to watch a YouTube video on how to install the batteries.