BMW Battery Replacement - How to Do it Yourself
If your BMW keyfob isn't responding to the lock and unlock buttons, or if it has stopped working entirely, then you may need an entirely new battery. It's simple to replace the battery yourself.
The battery is replaced by removing the access port from the valet key. You will then need to make sure to register the new battery.
How to replace a battery
A car battery is one of the most important parts of any vehicle and will require replacement at least once in a driver's lifetime. It's not difficult to replace the BMW battery on your own, and you may even save money. Knowing the amount of work necessary to replace batteries is essential to an effective DIY project.
It is important to be aware of the type of battery your BMW uses. There are three types of batteries, each with its own pros and con. One of the most well-known is a lead-acid battery, that is made up of sulfuric acid and lead. It generates electricity by a chemical reaction, and it recharges itself when you drive your BMW. Other types of batteries used in BMWs are Gel or Absorbent Glass Mat (AGM). These batteries are similar in operation however they require different handling and installation.
It's time to replace your old battery once you know which one your BMW utilizes. The majority of auto parts stores have systems that match your BMW's make and model with the appropriate battery, which will save you time. You may also want to look at your owner's manual, which will likely include the battery type that is required for your specific model.
To replace the battery on a BMW keyfob, turn your vehicle off and then remove the blade made of metal from the valet key. You can also use a flat screwdriver or valet keys to open the lock-cylinder. Remove the liner from the fob and locate the battery. After removing the batteries clean the terminal connectors and then carefully reinstall. Do not tighten brackets too tight, as they could break the battery case. Connect the positive terminal first, then the negative. Last, reconnect the upholstery in its normal position.
It's recommended to register your new battery. If you do this, the engine control module (known as the DME) will be aware that a new battery has been installed and won't be confused about which one to charge. It will also reset the statistics on battery age which can help to stop overcharging of your brand new BMW battery in Smyrna or Alpharetta.
How to Replace a CR2032 battery
It's frustrating to lose your key fob, but changing the battery is easy. It only takes minutes and can be done at home.
The key fobs found in BMW automobiles use CR2032 batteries, which are a common watch battery. They are more expensive than other ones however they can be purchased at any convenience store or auto parts center. You can replace the battery by removing the old one and replacing it with the new one. Then, put the fob back in. This is a simple process that will allow you to restart your car in a matter of minutes.
A dead battery could be the reason for your BMW key fob not working when you are driving around Johns Creek. Fortunately, it's easy to fix!
Press the small tab located on the back of the BMW key fob to open the valet key. There will be a small port near the battery after the key fob has been opened. You can use a flat screwdriver or similar tool to open the battery cover, then you can replace it with a fresh one.
If you're looking to buy a new BMW or a pre-owned vehicle near Decatur, then be sure to look through 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 perfect vehicle for you!
How to replace a CR2450 battery
The BMW key fob provides convenience and security with the touch of one button. However in time the battery in the BMW key fob can be damaged and require replacement in order to function properly. Knowing how to replace a BMW key fob battery can help you get back on the road swiftly and easily.
There here are many different kinds of BMW key fobs most use the same battery type, a CR2450 or CR2032 coin cell. This small, round battery is typically found in a majority of stores and is available for less than a dollar 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 battery in your BMW, first look for the key fob's tab that opens the metal valet key inside the fob. Once the metal valet key is removed, search for an access port that is small on the front of the fob that covers the key battery cover. Using a flat screwdriver, remove the cover to expose the battery. Replace the battery with the positive side facing upwards and then reassemble your key fob.
Once the new battery is installed Test the key fob to ensure that it continues to operate properly. Consult your BMW dealer if the key fob isn't responding. Older BMW models might require the key fob as well as the vehicle to be re-synchronized after changing the battery, however this is not typical for BMWs produced in recent years.
Although it is possible to swap the battery on an older BMW key fob by cutting the case and soldering to a new battery, this method is not recommended because it could damage the internal circuit board. Tulley BMW Nashua recommends that you follow the instructions in this guide to changing the CR2450 batteries on most BMW keyfobs. This simple task can take only a few minutes and will get you back on the road.
How do I replace a CR2032 Side Indent Battery
It is simple to replace the CR2032 side-indent batteries found in BMW series 1 keyfobs (and other models). It is shaped like a nickel and is able to pop in and out of the slot very easily. Simply use your fingers to remove the old battery, and then replace it with a new one, making sure to match the polarity. You can also find replacement batteries at numerous auto parts stores and online.
The procedure is a bit different in the event that your BMW has an "diamond key fob". The CR2016 battery inside the key isn't the same as a CR2032 or a CR2025, and you can't open the case to replace it. However you can try shifting a CR2016 cell with some conductive foil to see whether it works. If it isn't working, you'll have to cut off the plastic fob to expose the battery. Then, you can solder to a new battery.
The small access port found on many BMW key fobs can be opened with the edge of a different key's metal blade or a screwdriver that is flat. If you don't own a metal blade or a flat screwdriver, you can use the tip of a pencil. Once you have removed the cover, you'll be able to see the CR2032 battery that's inside.
The CR2032 side-indent battery is not designed to be serviced and the case cannot be opened. It is rechargeable and is charged when the key is inserted in the ignition.
It's essential to have a backup key in case you break your key or lose it somewhere. If you need help programming your BMW remote or replacing a dead battery, contact us at Tulley BMW of Nashua. We have a dedicated team of experts who are available to answer any questions or concerns. We are looking forward to hearing from you!