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 altogether it may need an upgrade to the battery. It's a good thing that it's simple to replace the battery at home.
The battery can be replaced by simply disconnecting the access port from the valet key. You will then need to make sure to register the new battery.
How do I replace the battery?
A car battery is the most important component of any car and will need to be replaced at least once in a driver's life. It's not difficult to replace the BMW battery yourself and you can even save money. The key to a successful DIY battery replacement is knowing the amount of work is required for the task.
The first step is to determine the type of battery your BMW makes use of. There are three kinds of batteries each with its own pros and cons. Lead-acid batteries are the most popular, as they contain lead and sulphuric acids. It generates electricity by an chemical reaction, and recharges itself when you drive your BMW. Other types of batteries in BMWs include Gel or Absorbent Glass Mat. These batteries operate similarly however they require a different installation and handling.
Once you've got a good idea of which battery your BMW uses 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 make with the right battery. This will save you time. You can also check the owner's manual which will include the type of battery required for your specific model.
To replace the battery on the BMW key fob, turn off your vehicle and remove the metal blade of the valet key, or a flat screwdriver to reach the lock cylinder. Remove the liner from the fob and locate the battery. After removing the batteries, clean the terminal connectors then carefully reinstall. Make sure to not put too much tension on the brackets because this could damage the battery case. Connect the positive first before connecting the negative. Then, reconnect the upholstery to its normal place.
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 is installed and won't get confused about which one to charge. This will also reset the battery's age statistics to ensure that you don't overcharge the new BMW battery.
How do you replace a CR2032 battery
It's a hassle to lose your key fob, however replacing the battery is easy. It only takes minutes and can be completed at home.
The key fobs in BMW vehicles are powered by CR2032 batteries that are a standard watch battery. They're slightly more expensive than other kinds of batteries, but they can be found at any convenience retailer or parts store. Once you have an entirely new battery, you can simply remove the old one, fit in the new one, and put the cover of the fob back on. This is a straightforward process that will allow you to start your car again within a matter of minutes.
A dead battery is likely to be the reason behind your BMW key fob not working when you're driving around Johns Creek. It's not difficult to fix!
Press the small tab 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 is opened. You can make use of a flat screwdriver or similar tool to take off the battery cover, and then you can replace it with a brand new one.
If you're looking to buy an all-new BMW or a pre-owned vehicle near Decatur Be sure to browse our inventory at Tulley BMW Nashua. If you have any questions about our vehicles, please contact us today. We're looking forward to helping you find the ideal vehicle for your needs!
How do you 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. Over time, however the battery in your BMW key fob will become weaker, and will need to be replaced for it to work effectively. Knowing how to replace read more the BMW key fob battery will allow you to get back on the road swiftly and quickly.
There are many different types of BMW key fobs most use the same battery type such as CR2450 or the CR2032 coin cell battery. This small, round battery can be often found in stores and is available for less than a dollar for each unit. CR2450 batteries are easily installed and removed from the key fob.
To replace the CR2450 batteries in your BMW look for the tab that opens the metal valet within the fob. When the metal valet keys is removed, look for a small access port on the front of the fob that conceals the key battery cover. Remove the cover with an open-ended screwdriver to expose the battery. Insert a new battery with the positive side facing upwards, and then reassemble your key fob.
Once the new battery is installed After the battery is installed, test the key fob to ensure that it continues to operate correctly. If the key fob isn't responding, contact your BMW dealership for further troubleshooting assistance. Older BMW models might require the key fob as well as the vehicle to be re-synchronized following a change in the battery, however this is not typical for BMWs made in recent years.
While it is possible to swap the battery in an older BMW key fob by cutting open the case and soldering in a new battery, this procedure is not recommended because it could damage the internal circuit board. Instead, Tulley BMW of Nashua suggests following the steps in this guide to replace the CR2450 battery for most BMW key fobs. This simple task can be completed within a couple of minutes and will help you get back on the road quicker.
How do I replace a CR2032 Side Indent Battery
The CR2032 side indent battery in the BMW series 1 key fob (and some other models) is easy to replace. It appears like a penny and is easy to insert into the slot. Replace the battery you have used before with the new one using your fingers. Make sure to match up the polarity. You can also find replacement batteries at numerous auto parts stores and online.
If your BMW has an engraved key fob it is a bit more complex. The CR2016 battery inside this key isn't the same as either a CR2032 or a CR2025 however, and you are unable to open the case to replace it. You can test whether it functions by shimming the CR2016 with aluminum foil that conducts electricity. If it fails, you'll need to cut off the plastic fob to expose the battery. Then solder into a replacement.
The majority of BMW key fobs have a small access port that can be opened with the edge of a blade made of metal from another key or a flat screwdriver. If you don't own an edged blade made of metal, you can make use of the edge of pen. After you have removed the cover, the CR2032 batteries will be clearly visible.
It's important to know that the CR2032 side indent battery wasn't designed to be serviced, and you can't open the case. This battery is rechargeable, and will charge when you insert the ignition key.
It's a good idea have a spare key in case your remote gets damaged or lost. If you need help programming your BMW remote or replacing batteries that are dead, call us at Tulley BMW of Nashua. We have a group of dedicated experts who can assist you with any questions or concerns. We are looking forward to hearing from you!