Changing the Battery in Your BMW Car Key Fob
Many BMWs require that the key fob has an elegant, slant-shaped battery. This type of battery is usually found at hardware stores, or even big-box stores.
This battery can be changed at the comfort of your own home. Tulley BMW Nashua can guide you through the process so you can be back on Johns Creek roads quickly.
How to Replace a Battery
Many BMW owners aren't aware that they could have to replace the battery in their keyfob at some point. It's a good thing, as this is one of the easiest DIY car maintenance tasks that you can handle yourself. The replacement of your battery will take just a few minutes and is a bargain. The battery is available at local convenience stores and auto parts stores for less that ten dollars.
In most cases, the BMW key fob is powered by the CR2032 battery and is often known as a "watch battery." Take off the cover for the key fob and then gently insert the new battery in gently. Pay attention to the orientation. The new battery needs to be installed in a manner that the plus and negative symbols are facing the same way as the previous battery. After the battery has been installed it is possible to replace the key fob and drive your BMW again.
Certain older BMW models use a different type of key that has an actual metal key that inserts into the ignition. These keys can also die with time, requiring you to change the battery to allow your vehicle to start. This type of battery can be recharged and replacing it involves cutting a small portion of the key fob so be careful when you are performing this task.
This type of BMW key requires an entirely different procedure, but it is nonetheless very easy. First, you'll need to take off the metal fob key and then open the port on the other side of the key. After you have opened the access port then use a screwdriver with a flat head to split the two halves of the fob. Once the key fob has been divided in two halves you can easily take it off and replace the dead battery. The two halves will snap back together after replacing your battery. If you need assistance or have additional questions about how to replace the battery in your BMW key fob, please contact us today! Our team is always available to help. We are looking forward to helping you with your car needs.
Battery CR2450
You might not be aware however, your BMW key fob is powered by a specific battery in order to function correctly. The CR2450 battery is a 3 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 functions require the CR2450 coin cell battery which is slightly larger than its CR2032 equivalent.
These batteries are available in any store that sells regular lithium batteries with a voltage of 3 volts, such as supermarkets and gas stations. They typically cost around $7 to $9 for a package of four batteries. However, careful price comparison shopping could uncover cheaper alternatives from lesser-known brands.
Changing the battery in your BMW key fob is a straightforward procedure that doesn't require additional reprogramming or resyncing with your vehicle. Simply remove the valet key from the fob, press a small tab in the opening, then pull out the existing battery. Place a new battery in the same way, making sure that the positive side is facing upwards, and reassemble the fob.
After you've replaced the battery on your BMW key fob, it's crucial to test it to make sure it locks and unlocks the car properly and also works with all its other expected functions. You can, for instance, press each button on the fob in order to verify that they lock, turn off or remove the trunk. After you're confident that everything is functioning as expected, put the fob together and go!
The key fob also houses an electronic chip that stores the security codes and program required to connect with your BMW. The battery that powers the key fob is responsible for this information, however the chip is able to keep it even after you remove the battery. This is one of the main reasons it's important to change the battery promptly when it begins to wear out.
The majority of BMW models use the sleek CR2032 battery to power their key fobs. This is a common battery type that's found in most electronics, and it's easy to replace when you need to. A larger CR2450 is required for models with remote start or Comfort Access features. This is a much more powerful battery that is specifically designed for high-drain applications and can be bought from a wide range of retailers. They have an average capacity of 600-620 mAh, and they can last for up to 10 years if stored properly. These batteries are great for applications with high drains where you want to maximize performance and longevity. For the best results, go with a trusted brand your replacement battery. This will ensure that the new battery is of the highest quality, and will withstand daily use.
CR2032 Battery
A CR2032 Battery is an extremely popular type of coin cell battery that is used in many electronic devices including remote controls, key fobs and fitness and medical trackers. This kind of battery is also found in heart rate monitors produced by companies like Polar, Garmin, and Wahoo Fitness. It is also widely found in bike parts, including road shifters made by SRAM and FSA as well as certain headlights.
A CR2032 is a lithium chemistry device, and has a rounded shape with a diameter and height of between 20 and 32 millimeters. It has a low self-discharge rate so it can be left in dormancy for years without losing too much of its charge. This battery is popular bmw key fob for electronics because of its low self-discharge and ability to hold a charge even in extreme temperatures.
The life of batteries is influenced by many elements, including the material, storage conditions, storage time and storing, physical damage, humidity and temperature. Ideally, you should store the battery in a controlled climate and dry area with no physical damage or degradation. It is crucial to only purchase the best quality batteries from reputable retailers. Low-quality batteries may have lower mAh and will eventually die.
The majority of major battery manufacturers offer lithium coin cells, and they are also sold in many large retail stores. Some of the most well-known include Energizer, Panasonic and Duracell. These brands are reputed to adhere to the most stringent safety and reliability standards. If you have questions about the authenticity of a particular battery or its packaging, it is recommended to contact the manufacturer directly for additional details.
When using a CR2032 it is crucial to remember that the battery has a positive terminal and an negative terminal. The positive terminal is identified by a dot at the top of the battery, and the negative is marked by an arc across the base. If the battery is placed into an item with the wrong side facing up it could cause damage to the device or create an explosion.
In contrast to other types of batteries, there is no plug or socket to connect it. Instead a CR2032 battery connects to the device via an aluminum tab. The tab must be press to connect the battery. This is only done by hand. Installing a CR2032 into a device, such as a smoke detector or sensor requires that the metal tab contacts be in the correct position. If they aren't the device will not work or you might experience inconsistent results. Fortunately, the manuals for most smoke detectors and sensors include diagrams that show the best method to insert the battery. If you cannot find an illustration for your specific device it is a good idea to watch a YouTube video that demonstrates the proper way to insert the batteries.