BMW Battery Replacement - How to Do it Yourself
If your BMW key fob isn't responding to the lock and unlock buttons, or has stopped working completely It's likely that it needs an upgrade to the battery. Luckily, it's easy to replace the battery at home.
The battery is replaced by disconnecting the access port from the valet key. After that, you need to make sure that the new battery is registered.
How to replace a battery
A car battery is one of the most vital components of any vehicle and will need to be changed at least once throughout the lifetime of a driver. It's not hard to replace the BMW battery yourself, and you may even save money. Knowing how much work is necessary to replace a battery is the key to success with your DIY project.
It is important to know the type of battery that your BMW uses. There are three kinds of batteries each with its own pros and con. One of the most popular is a lead-acid battery which is composed of sulfuric acid and lead. It generates electricity by an chemical reaction and recharges itself when you drive your BMW. Other types of batteries that are used in BMWs are Gel or Absorbent Glass Mat (AGM). These batteries have similar operation but require different installation and handling.
It's time to replace your old battery once you know which one your BMW uses. Most auto parts retailers will have systems that match your BMW's make and model with the appropriate battery, which could save you time. You may also want to look at the owner's manual, which will likely list the battery type required for your specific model.
To change the battery in the BMW key fob, shut off your vehicle and take out the metal blade of the valet key or a flat screwdriver to access the lock cylinder. Remove the liner from the fob and locate the battery. After removing the battery clean the terminal connections and then reinstall them using careful. Be careful not to tighten the brackets too much because this could damage the battery case. Connect the positive terminal first before connecting the negative. Last, reconnect the upholstery in its normal position.
It's also a good idea to register your new battery. If you do this, the engine control module (known as the DME) will know that the battery has been installed and won't get confused about which one to charge. This will also reset the battery's statistics regarding age to avoid charging too much for your new BMW battery.
How to Replace the CR2032 Battery
A lost key fob can be an inconvenience, but it's also fairly easy to replace the battery. It only takes just a few minutes and can be done at home.
The key fobs that are used in BMW automobiles use CR2032 batteries, which are a common watch battery. They're a little more expensive than other types of batteries, but they are easily found at any convenience store or parts centre. You can change the battery by removing the old one and replacing it with the new one. Then put the fob back in. It's a quick process, and you'll be able to start your vehicle again in no time.
If you've been driving your BMW around the Johns Creek area, and you suddenly realize that your key fob isn't working It's most likely due to a dead battery. It's simple to fix.
First, you'll need to press the small tab on the back of your BMW key fob to open the inside valet key. Once the key fob has been open, you'll see an access port in the middle where the battery is located. You can make use of a flat screwdriver, or similar tool to remove the battery cover, then replace it with a new one.
If you're looking for an all-new BMW or a used car in the vicinity of Decatur Be sure to look through our inventory at Tulley BMW Nashua. Contact us today if you have any questions about our vehicles. We look forward to helping you find the ideal vehicle for your needs!
How to Replace a CR2450 battery
The BMW key fob provides security and convenience at the click of the button. However with time the battery in your BMW key fob can weaken and require replacement to continue working correctly. Knowing how to replace a BMW key fob battery can help you get back on the road swiftly and easily.
There are many different kinds of BMW key fobs however, they all utilize the same type of battery, a CR2450 or CR2032 coin cell. This small, round battery can be found in most shops for less than $1 per unit. CR2450 batteries are easily installed and removed from the key fob.
To replace the CR2450 battery in your BMW first look for the tab on the key fob that opens the metal valet key within the fob. Once the metal valet key is removed, look for an access port that is small on the front of the fob that conceals the key battery cover. Remove the cover using a flat-headed screwdriver, revealing the battery. Insert a new battery with the positive side facing up, and then reassemble your key fob.
Test the key fob after the website battery has been replaced to make sure it is still working properly. Contact your BMW dealer if the key fob is not responding. Certain older BMW models require that the key fob be synchronized with the vehicle after changing the battery. However this isn't the case for BMWs manufactured in recent years.
While it is possible to replace the battery in an older BMW key fob by removing the case and then soldering in a new battery, this is not recommended since it can damage the internal circuit board. Instead Tulley BMW of Nashua recommends following the instructions in this article to change the CR2450 battery for most BMW key fobs. This simple task will take you only a few minutes to will get you back on the road.
How to replace the CR2032 Side Indent Battery
The CR2032 side indent battery on the BMW series 1 key fob (and other models) is simple to replace. The battery is shaped as 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 that it be in line with the polarity. You can also find replacement batteries at various auto parts stores as well as online.
If your BMW has a diamond key fob the procedure is slightly more difficult. The CR2016 battery inside this key is not the same as either a CR2032 or a CR2025, and you can't open the case to replace it. You can test whether it works by rotating the CR2016 with aluminum foil that is conductive. If it fails to work, you will need to cut off the fob part of the plastic to expose the battery and then solder into a new one.
Most BMW key fobs come with a small access port which can be opened by using the edge of a metal blade from a different key or a flat screwdriver. If you don't have a metal blade, you can try using the pencil's tip. After you've removed your cover, you will be able to see the CR2032 battery inside.
It's important to know that the CR2032 side indent battery wasn't designed to be serviced, and you aren't able to open the case. The battery is rechargeable and charges when you insert the ignition key.
It's essential to have an extra key in case you break your key or lose it. If you need help programming your BMW remote or replacing the battery that is dead, contact us at Tulley BMW of Nashua. We have a dedicated team of experts available to answer any questions or concerns. We look forward to hearing from you!