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.

Changing this battery is a straightforward process and can be accomplished in the comfort of your 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 Change a Battery

Many BMW drivers aren't aware that they could need to change the battery in their key fob at some point during their ownership. It's a good thing, as this is among the most simple DIY car maintenance tasks you can tackle yourself. It should take you no more than an hour to replace the battery and the cost for the replacement is minimal. You can find the battery at many local convenience stores and parts stores for less than ten bucks.

The BMW key fob is normally powered by a CR2032 which is also referred to as a "watch" battery. Take off the cover of the key fob and gently insert the new battery. Be aware of the orientation. The new battery needs to be placed in a way that the plus and minus symbols are facing the same way as the old battery. Once the new battery has been put in place, simply put the cover for the key fob back on and you'll be able to drive your BMW around Decatur and Johns Creek again.

Certain older BMW models use an alternative type of key, which features an actual metal key that inserts into the ignition. The batteries in these keys for bmw can also die in time, so you'll need to replace them to start your car. 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's still very simple. First, you'll need remove the metal key from the fob, then, you'll need to open the access port on the back of the key fob. After you have opened the access port and then, use a screwdriver that is flat to cut the two halves off of the fob. Once the key fob has been separated into two halves, you can easily remove and replace the battery that has died. Snap the two halves back together after replacing the battery. If you require assistance, or if you have any other questions regarding how to change the battery on 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 may not realize it however, your bmw spare key fob key fob requires a specific battery in order to function effectively. The CR2450 is a 3 volt lithium-ion coin cell battery. It powers the key fob's numerous functions, including remote locking unlocking, ComfortAccess and even remote start of your vehicle! These features require the CR2450 coin cell battery, which is slightly larger than its CR2032 equivalent.

They are available in all places that sell regular 3-volt lithium batteries such as supermarkets and gas stations. They usually cost between $7 to $9 for a pack of four batteries, however careful price comparison shopping could uncover cheaper alternatives from lesser-known brands.

Change the battery inside your BMW key fob is an easy procedure that doesn't require additional reprogramming or resyncing with your vehicle. Remove the valet key, pull out the battery and press the tab. Place a new battery in the same manner, making sure that the positive side is facing upwards, and put it back together.

After you've replaced your battery in your BMW key fob, it's crucial to test it to ensure it locks and unlocks the car correctly and works with all of its other functions that are expected. For instance, you can try pressing each of the buttons on the fob to make sure they turn on, lock, or pop the trunk. After you're confident that everything is working as expected, put the fob together and go!

The key fob also contains an electronic chip that stores the security codes and programming necessary to communicate with your BMW. The key fob battery powers this information, however the chip can retain it even after you remove the battery. This is one of the main reasons it's crucial to replace the battery as soon as it begins to get worn out.

BMW key fobs run on sleek CR2032 batteries. This battery is common in electronic devices and can be easily replaced if needed. A larger CR2450 is required for models with Comfort Access or remote start features. This is a stronger battery that is specifically made for high-drain use. It can be bought at a variety stores. They have a nominal capacity of around 600-620 mAh and last up to 10 years when properly stored. These batteries are perfect for program applications with high drains where you need to maximize performance and durability. Choose a reputable replacement battery for the best results. This will ensure that the new battery is of the highest quality and will stand up to everyday use.

Battery CR2032

A CR2032 Battery is an extremely popular kind of coin cell battery utilized in many electronic devices including remote controls, key fobs and fitness and medical trackers. This type of battery is also used in heart rate monitors produced by companies like Polar, Garmin, and Wahoo Fitness. It is also found in bicycle components, such as road shifters manufactured by SRAM and FSA as well as certain headlights.

A CR2032 uses lithium chemistry, and has a rounded shape with a diameter and height of between 20 and 32 millimeters. It has a very low self-discharge rate, which means it can remain dormant for years without losing too much of its charge. This battery is popular in electronics because of its low self-discharge and ability to maintain a charge even in extreme temperatures.

Battery storage life can depend on a variety of factors including the quality of the material, storage conditions such as storage time as well as humidity, physical damage and temperature. Ideally, you want to keep the battery in a climate-controlled and dry location that is free of physical damage or degrading. It is important to buy only the best quality batteries from reputable retailers as lower quality batteries may have lower mAh capacities and may end up dying prematurely.

Most major battery manufacturers offer lithium coin cells. They are also available in a majority of large retail stores. The most well-known are Energizer Panasonic and Duracell. These brands are reputed to adhere to the most stringent safety and reliability standards. If you are not sure about the authenticity of the battery or the packaging, it is recommended to contact the manufacturer for more 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 battery is marked with a dot on the top, and the negative terminal is marked with a line on the base. If the battery is placed into an item with the wrong side facing forward, it could damage the device or even cause a fire hazard.

There isn't a socket or plug to connect the battery CR2032. Instead the CR2032 battery is connected to the device via a metal tab. This tab must be pulled down to connect the battery and can only be done by hand. If you're putting a CR2032 battery into a device, such as a sensor or program smoke detector make sure the tab contacts on the metal are in the proper position. If they aren't, the device might not work or you might encounter inconsistent results. The instructions for all smoke sensors and detectors include diagrams that indicate how to insert the batteries. If you can't find an electrical diagram for your particular device it's a good idea to watch an instructional video on how to insert the battery.