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 kind of battery is available at many hardware stores and even big-box stores.

The battery can be replaced in the convenience of your home. Tulley BMW of Nashua will guide you through this procedure, so that you can be back on the Johns Creek roads in no time.

How to Replace a Battery

Many BMW drivers aren't aware that they could require a battery change on their key fob at some point during their ownership. This is among the easiest DIY car maintenance tasks that you can perform yourself. It will take no more than just a few minutes to replace the battery and the cost of the replacement bmw key fob is minimal. The battery can be found at local convenience stores and auto parts stores for less than ten dollars.

In most instances the BMW key fob uses the CR2032 battery and is often known as a "watch battery." Take off the key fob cover, and carefully place the new battery gently. Be aware of the orientation. The new battery must be placed in a way that the plus and minus symbols are facing the same direction as the old battery. Once the new battery has been put installed, just put the cover of the key fob back in place, and you'll be ready to drive your bmw series 1 key around Decatur and Johns Creek again.

Certain older BMW models come with a different key type that is a metal key that you insert into the ignition. Keys can also become obsolete 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 so be very careful when performing this task.

The process to replace the battery on this kind of BMW key is slightly different, but it's still extremely simple. You'll first have to remove the key fob made of metal and then open the port on the other side of the key. Once you've opened the access port, you can make use of a flat screwdriver to split the two halves of the key fob. After the two halves have been separated, you are able to remove the dead battery and insert the new one. Snap the two halves back together once you've replaced the battery. If you need assistance or have additional questions about how to change the battery in your BMW key fob, please contact us today! Our team is always ready to assist. We look forward to helping you with all your automotive requirements!

CR2450 Battery

You may not realize it however, your BMW key fob is powered by a specific battery in order to function properly. The CR2450 battery is a 3-volt lithium coin cell battery that powers the numerous functions of your key fob including remote locking and unlocking, Comfort Access functionality, and even remotely starting your vehicle! These functions require additional power provided by a CR2450 battery that is a bit larger in diameter than its CR2032 counterpart.

You can find these batteries in most places that sell regular 3-volt lithium batteries like gas stations and supermarkets. They usually cost between $7 and $9 for a four-pack, however a careful comparison of prices could uncover cheaper alternatives to lesser-known brands.

Changing the battery in your BMW key fob is a simple process that doesn't require any additional programming or resyncing with your vehicle. Remove the valet key, remove the battery and push the button. Place a new battery in the same manner, making sure that the positive side is facing upwards and then rebuild the fob.

After you've replaced the battery on your BMW key fob, it's important to test it to ensure it locks and unlocks the vehicle correctly and works with all of its other expected functions. For instance, you can test pressing the buttons on the fob to make sure they turn on, lock, or pop the trunk. Once everything is functioning as expected, you can put the fob back together and get on your way!

The key fob is equipped with an embedded chip that stores the security codes and the programming needed to connect with your BMW. This information is powered by the key fob's battery 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 at the time it begins to wear out.

BMW key fobs are powered by sleek CR2032 batteries. The battery is commonly used in electronic devices and is easily replaced when needed. A larger CR2450 is required for models that utilize the Comfort Access or remote start features. This is a more powerful battery that has been specifically made for high-drain use. It can be bought at a variety retailers. These batteries have a nominal capacity of 600-620 mAh, and they can last for 10 years if properly stored. These batteries are perfect for applications with high drains that require the highest performance and longevity. Choose a reputable replacement battery for the most efficient results. This will ensure that your new battery is high-quality and will stand up to rigorous everyday use.

CR2032 Battery

The CR2032 battery is a popular coin cell found in a variety of electronic devices, including remote controls and key fobs. It is also found in medical and fitness trackers. This type of battery can also be used in heart rate monitors produced 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 some headlights.

A CR2032 uses lithium chemistry, and has a rounded shape with a diameter and a height of 20 and 32 millimeters. It has a low self-discharge, so it can remain dormant for a long time without losing too much of its charge. This battery is popular in electronics because of its low self-discharge as well as the capacity to keep a charge even in extreme temperatures.

The life of batteries can depend on a myriad of factors such as the quality of the material, storage conditions, storage time, physical damage, humidity and temperature. Ideally, you should store the battery in a controlled climate and dry location that is free of physical damage or degrading. It is crucial to only buy high-quality batteries from reliable retailers. Low-quality batteries may have lower mAh and may die prematurely.

Major battery manufacturers offer lithium coin cells, and they are also available in most large retail stores. Some of the most sought-after brands include Energizer, Panasonic and Duracell. These brands are known for adhering to the most stringent safety and reliability standards. If you have any doubts regarding the authenticity of a particular battery or its packaging, it's recommended to contact the manufacturer directly for more information.

When using a CR2032 it is crucial to be aware that the battery has a positive and a negative terminal. The positive terminal is marked by a dot on top of the battery and the negative terminal is identified by a line across the base. If the battery is placed into a device with the wrong side facing forward it could cause damage to the device or create an explosion.

There isn't a socket or plug to connect the CR2032 battery. A CR2032 connects to a device via an aluminum tab. The tab has to 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 the tab contacts made of metal are in the correct position. The device might not function, or you may experience inconsistent results. Fortunately, the instructions for most smoke detectors as well as sensors include diagrams that show the best method to place the battery. If you can't find the diagram for your specific device it's a good idea that you watch a video on how to install the batteries.