BMW Battery Replacement - How to Do it Yourself
If your BMW key fob isn't responding to your lock and unlock buttons, or has stopped working completely, it probably needs a new battery. It's simple to replace the battery on your own.
You simply need to locate the access port inside the valet key, then remove it, and switch out the battery and replace it with a new one. After that, you need to register the new battery.
How to replace the battery
A car battery is the most vital element of a car and will need to be replaced at least a few times during the life of a driver. However replacing a BMW battery doesn't have to be the most complicated DIY task, and you could even save some money by doing it yourself. The key to an effective DIY battery replacement is knowing the amount of work is required for the task.
It is crucial to be aware of the type of battery that your BMW makes use of. There are three types of batteries each with their own pros and cons. Lead-acid batteries are the most common, as they contain lead and sulphuric acids. It produces electricity through a chemical reaction, and it recharges itself when you use your BMW. Other battery types that are used in BMWs are Gel or Absorbent Glass Mat (AGM). These batteries operate similarly but require different installation and handling.
It's time to replace your old battery when you know which one your BMW makes use of. Many auto parts stores have batteries that are compatible with the BMW model and use the correct battery. This will save you time. You can also try looking at the owner's manual, which will likely contain the type of battery required for your specific model.
To change the battery on a BMW keyfob, switch your vehicle off and remove the metal blade from the valet key. You can also make use of a flat screwdriver or valet keys to open the lock-cylinder. Remove the liner from the fob and locate the battery. After taking the batteries out, clean the terminal connectors and then carefully reinstall. Make sure to not put too much tension on the brackets, as this could crack the battery case. Connect the positive first and then the negative. Finally, connect the upholstery to its normal place.
Registering the battery you have purchased is an excellent idea to do. This will let the engine control module, also referred to as the DME, know that you have an updated battery and it won't be confused about which one to charge. This will also reset the battery's age statistics to prevent overcharging the new BMW battery.
How to Replace the CR2032 Battery
It's frustrating to have a dead key fob, however replacing the battery is simple. It takes only minutes and can be done at home.
The key fobs found in BMW vehicles use CR2032 batteries that are a standard watch battery. They're a little more expensive than other types of batteries, however they are easily found at any convenience retailer or parts store. You can change the battery by taking off the old one and replacing it with the new one. Then put the fob back on. It's an easy process and you'll be able restart your vehicle in the blink of an eye.
If you've been driving your BMW around the Johns Creek area, and you realize that your key fob won't work it's probably due to an unresponsive battery. It's easy to fix.
Press the small tab located on the left side of the BMW key fob to open the valet key. There will be a small port close to the battery after the key fob has been opened. The cover for the battery is removed using a flat-headed screwdriver, or a similar tool.
If you're looking to buy an all-new BMW or a used vehicle near Decatur Be sure to browse our inventory at Tulley BMW Nashua. Contact us today if have any questions about our vehicles. We're looking forward to helping you find the ideal vehicle for your needs!
How to Replace a CR2450 battery
The BMW key fob is a crucial part of your driving experience. It provides security and convenience at the click of one button. As time passes the battery in your BMW key fob will weaken, and it will need to be replaced for it to function properly. Knowing how to replace the BMW key fob will assist you in getting back on the road again swiftly and easily.
While there are several different kinds of BMW key fobs however, they all use the same battery type, a CR2450 or CR2032 coin cell. The small round battery is sold in a majority of stores for less than $1 per unit. In addition to being readily available, CR2450 batteries are also very easy to install and remove from the key fob.
To replace the CR2450 batteries in your BMW look for the tab that releases the metal valet inside the fob. Once the metal valet is removed, locate the small access port that hides the key battery on the front of your fob. Remove the cover with a flat-headed screwdriver, revealing the battery. Insert a new battery with the positive side up and then reassemble your key fob.
Test the key fob after the battery has been replaced to ensure it's still functioning properly. Consult your BMW dealer if your key fob is still not responding. Older BMW models might require the key fob and the vehicle to be re-synchronized following a change in the battery, however this is not typical for BMWs manufactured in recent years.
It is possible to replace the battery inside an old BMW key fob, by opening the case and then soldering the new battery in. However, this method should not be attempted since it could damage the internal circuitry. Tulley BMW Nashua recommends that you follow the instructions in this guide to changing the CR2450 batteries in the majority of BMW keyfobs. This easy task can be done in just a few minutes and will help you get back on the road quicker.
How do you replace a CR2032 Side Indent Battery
The CR2032 side indent battery in the BMW series 1 key fob (and other models) is easy to replace. It is shaped like the shape of a nickel, and can be removed and put back into the slot easily. Replace the battery that was used with the new one by using your fingers. Make sure to ensure that the polarity is in line. You can also find replacement batteries at numerous auto parts stores and on the internet.
If your BMW has a diamond key fob the procedure is slightly more difficult. You can't replace the CR2016 battery since it's different from a CR2032, CR2025 or a CR2032. You can check if it works by rotating the CR2016 with some aluminum foil that is conductive. If you can't get it to work, you will need to cut the fob part of the plastic to expose the battery and then solder in the new one.
Most BMW key fobs come with a small access port that can be opened using the edge of check here a metal blade from a different key or a flat screwdriver. If you don't have a metal blade, you can try using the tip of a pencil. When you take off the cover, the CR2032 batteries are evident.
The CR2032 side-indent batteries were not designed to be serviced and the case is not opened. The battery is rechargeable and will charge when you insert the ignition key.
It's a good idea to keep a spare key in case your remote gets lost or broken. If you need help programming your BMW remote or replacing a dead battery, contact us at Tulley BMW of Nashua. We have a team of dedicated experts who can help you with any questions or concerns. We are looking forward to hearing from you!