BMW Battery Replacement - How to Do it Yourself
If your BMW keyfob isn't responding to the lock or unlock buttons, or has stopped working entirely and you're in need of a new battery. Luckily, it's easy to replace the battery at home.
The battery can be replaced by taking the access port off the valet key. You must then add the new battery to your account.
How do I replace the battery?
A car battery is the most vital element of a car and will have to be replaced at least a few times during a driver's life. However replacing the BMW battery isn't necessarily the most complicated do-it-yourself task, and you could even save some money by doing the task yourself. The key to a successful DIY battery replacement is knowing how much work the job actually requires.
It is important to know the type of battery that your BMW utilizes. There are three different types each with its own pros and cons when in use. Lead-acid batteries are the most well-known, as they contain lead and sulphuric acids. It produces electricity through an chemical reaction and it recharges itself whenever you use your BMW. Other types of batteries that are that are used in BMWs are Gel or Absorbent Glass Mat (AGM). These batteries function similarly however they require different handling and installation.
Once you have a clear idea of the battery your BMW has and you know the battery's name, it's time to replace the battery that was in use. Many auto parts stores have systems that match the BMW model and include the correct battery. This can save you time. You can also refer to your owner's guide that will list the type of battery required for your model.
To replace the battery on a BMW keyfob, turn your vehicle off and remove the metal blade from the valet key. You can also employ a flat screwdriver, or a valet key to access the lock-cylinder. Then, remove the fob's liner, and locate the battery. After you have removed the battery, clean the terminal connections, and then reinstall them using care. Don't tighten the brackets too much, since they could break the battery case. Connect the positive first and then the negative. Then, reconnect the upholstery back to its original location.
It's recommended to register your new battery. If you do this the engine control module (known as the DME) will know that the new battery has been installed and won't be confused about which one to charge. It will also reset the battery's age statistics which can stop overcharging of your brand new BMW battery in Smyrna or Alpharetta.
How to Replace the CR2032 Battery
A lost key fob can be an inconvenience, but it's also quite simple to replace the battery. It takes only just a few minutes and can be done at home.
The key fobs found in BMW vehicles are powered by CR2032 batteries, which are a common watch battery. They're a little more expensive than other types of batteries, however they can be found at any convenience store or parts center. If you've got the new battery, you can simply take the old one off, fit in the new one, and put the fob cover back on. This is a straightforward process that will allow you to get your car running in a matter of minutes.
If you've been driving your BMW around the Johns Creek area, and you suddenly realize that your key fob won't work It's most likely due to a dead battery. It's not difficult to fix!
The first step is to press the small tab on the back of your BMW key fob to open the valet key inside. Once the key fob is opened, you'll see an access port in the middle where the battery is. You can make use of a flat screwdriver, or similar tool to remove the battery cover, then you can replace it with a fresh one.
If you're in the market for a new BMW or to buy a used car available near Decatur Be sure to browse our inventory at Tulley BMW of Nashua! If you have any questions about our vehicles, contact us now. We're looking forward to helping you to find the perfect car for you!
How to replace a CR2450 battery
The BMW key fob is an important component of your driving experience, offering security and convenience with the click of one button. Over time, however the battery inside your BMW key fob will become weaker, and will need to be replaced for it to function correctly. Knowing how to replace the BMW key fob battery can help you get back on the road swiftly and easily.
There are many different types of BMW key fobs most utilize the same type of battery, a CR2450 or CR2032 coin cell battery. This small, round battery is commonly found in most shops and can be bought for less than a dollar per unit. CR2450 batteries are able to be installed and removed from the key fob.
To replace the CR2450 battery in your BMW, first find the key fob's tab that opens the metal valet key within 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 using a flat-headed screwdriver to reveal the battery. Insert a new battery with the positive side up and then reassemble your key fob.
Test the key fob after the battery is replaced to confirm that it is still working properly. If the key fob still isn't responding, contact your BMW dealer for further assistance. Certain older BMW models require that the key fob is synchronized with the vehicle after changing the battery. However this isn't the case with BMWs produced in recent years.
It is possible to replace the battery in an old BMW key fob, by opening the case and putting the new battery in. However, this procedure should not be attempted because it could cause damage to the internal circuitry. Instead Tulley BMW of Nashua suggests following the steps in this guide to replace the CR2450 battery on the majority of BMW key fobs. This simple task can take only a few minutes to get you back on the road.
How to Replace a CR2032 Side Indent Battery
The CR2032 side indent battery that is included in the BMW series 1 key fob (and other models) is easy to replace. It looks like a penny and can be easily inserted into the slot. Use your fingers to take out the battery that was in use, and then replace it with a new one, making sure that it be in line with the polarity. There are replacement batteries in many auto parts stores, as well as on the internet.
The procedure is a bit different if your BMW has an "diamond key fob". The CR2016 battery inside this key isn't identical to a CR2032 or a CR2025 however, and you are unable to open the case to replace it. However you can try shimming the CR2016 cell with conductor foil to see whether it works. If you can't get it to work, you'll need to cut off the fob part of the plastic to expose the battery and then solder in a new one.
Most BMW key fobs have a small access port that can be opened using the edge of a blade made of metal from a different key or a flat screwdriver. If you don't have an edged metal blade, you can make use of the edge of a pen. Once you have removed the cover, you can see the CR2032 battery that's inside.
The CR2032 side-indent batteries were not designed to here be maintained and the case cannot be opened. This battery is rechargeable and charges when the key is inserted in the ignition.
It's a good idea have a spare key available in the event that your remote is 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 group of dedicated experts who will assist you with any questions or concerns. We are looking forward to hearing from you!