Changing the Battery in Your BMW Car Key Fob
Many BMWs require that the key fob be equipped with an elegant, slant-shaped battery. This type of battery is often readily found at hardware stores, or even big-box stores.
The battery can be replaced in the comfort of your own 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 Change a Battery
Many BMW owners don’t know that they could have to replace the keyfob’s battery at some time. Luckily, this is among the easiest DIY car maintenance tasks you can do yourself. It should take you no more than an hour to replace the battery and the cost for the replacement is very low. The battery can be found in a variety of local convenience stores as well as parts centers for less than ten dollars.
The BMW key fob is typically powered by a CR2032, also known as a “watch” battery. Remove the key fob’s cover and gently place the new battery. Be sure to pay attention to the orientation of the new battery as it must be installed with the plus and minus signs facing the same direction like the old one. Once the new battery is in place, simply put the cover for the key fob back on, and you’ll be ready to drive your BMW around Decatur and Johns Creek again.
Certain older BMW models have an alternative type of key that has the physical key made of metal that is inserted into the ignition. The batteries inside these keys also degrade with time, so you’ll have to replace them to start your car. The type of battery you have is rechargeable, and replacing it requires cutting off a small piece of the key fob so be careful when performing this task.
This type of BMW key has an entirely different procedure, but it’s nonetheless very easy. First, you’ll need to remove the metal key from the fob, then open the access port in the side of the key fob. After you’ve opened up the access port and then, use a screwdriver that is flat to split the two halves of the fob. Once the key fob is split in two parts you can easily take it off and replace the battery that is dead. You can snap the two halves back together once you’ve replaced your battery. If you need help or have additional questions about how to change the battery in your BMW key fob, call us now! Our team is always there to help. We are looking forward to helping you with your automotive requirements.
CR2450 Battery
It’s not obvious however, your BMW key fob is powered by an exclusive battery to function effectively. The CR2450 is a 3-volt lithium-ion coin cell battery. It powers the key fob’s various functions, including remote locking unlocking, ComfortAccess and even remote start of your vehicle! These features require a CR2450 coin cell battery which is slightly larger than its CR2032 equivalent.
These batteries are available at supermarkets and gas station, as well as other retailers that sell 3-volt lithium batteries. They typically cost between $7 and $9 for a pack of four, but a careful price comparison may provide cheaper alternatives from lesser-known brands.
It’s easy to replace the battery on your BMW keyfob. It’s not necessary to change the program or synchronize your vehicle. Simply remove the valet key from the fob, press the small tab that’s in the opening, and pull out the existing battery. Place a new battery in the same way, ensuring that the positive side is facing up, and rebuild the fob.
After you’ve replaced your battery in your BMW key fob, it’s crucial to test it to make sure it locks and unlocks the car correctly and is compatible with all its other functions expected of it. For example, you can try pressing each of the buttons on the fob to see if they turn on, lock or unlock the trunk. If everything is working as you expect, you can put the fob back together and go going!
The key fob is equipped with an embedded chip that stores the security codes and the programming needed to communicate with your BMW. The battery that powers the key fob is responsible for this information, BMW Car Key but 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 promptly when it begins to wear out.
The vast majority of BMW models utilize the sleek CR2032 battery in their key fobs. This battery is used in electronic devices and can be easily replaced if needed. For models that utilize the remote start and Comfort Access features however, a bigger battery CR2450 is required. This is a much more powerful battery specifically made for these applications and is available from a variety of stores. They can last up to 10 years when stored properly. They have a nominal power of 600-620mAh. These batteries are ideal for bmw Car Key applications with high drains that require the highest the performance and endurance. For the best results, you should go with a reputable brand for your replacement bmw key battery. This will ensure your new battery is of high-quality, and will withstand everyday use.
Battery CR2032
The CR2032 battery is a common coin cell used in a wide range of electronic devices, including key fobs and remote controls. It is also found in fitness and medical trackers. This kind of battery is also used in heart rate monitors manufactured by companies such as Polar, Garmin, and Wahoo Fitness. It is also found in bicycle components, such as road shifters made by SRAM and FSA and some headlights.
A CR2032 makes use of lithium chemistry and has a rounded shape with a diameter and a height of between 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 and capacity to keep an energy level even in extreme temperatures.
Battery life depends on many factors, including the materials storage conditions, the amount of duration of storage the battery, physical damage, humidity and temperature. Ideal storage is in a dry, climate-controlled area without any physical damage. It is important to only purchase high-quality batteries from reputable retailers. Lower quality batteries can have lower capacity and will eventually die.
Major battery manufacturers sell lithium coin cells, and they are also available in most large retail stores. Some of the most well-known include Energizer, Panasonic and Duracell. These brands are known for their commitment to the highest standards of security and reliability. If you are uncertain about the authenticity of the battery or the packaging, it is best to ask the manufacturer for further details.
When using a CR2032 it is crucial to be aware that the battery has a positive and the negative terminal. The positive terminal is marked by a dot on the top of the battery and the negative terminal is identified by an arc across the base. If the battery is placed into a device with the wrong side facing upwards it could cause damage to the device or create the risk of fire.
There is no socket or plug to connect the battery CR2032. A CR2032 connects to a device using a metal tab. The tab has to be pulled down to connect the battery and can only be done so by hand. The installation of a CR2032 into a device like a smoke detector or sensor requires that the tab contacts made of metal are in the correct position. The device might not work, or you may experience inconsistent results. Fortunately, the instructions for most smoke detectors and sensors include diagrams that show the best method to insert the battery. If you are unable to find the diagram for your specific device it is a good idea that you watch a video on how to insert the batteries.