BMW Battery Replacement - How to Do it Yourself

If your BMW key fob isn't working with your locks and unlock buttons or isn't working at all, it probably needs a new battery. Luckily, it's easy to replace the battery at home.

Simply locate the access port that is hidden within the valet key, remove it, and switch out the battery to a new one. Then, you must register the new battery.

How to replace a battery

A car battery is one of the most vital components of any vehicle. It will need to be changed at least once throughout the lifetime of a driver. It's not hard to replace a BMW battery on your own and you can even save money. Knowing the amount of work needed to replace a battery is the key to success with your DIY project.

The first step is to identify the type of battery your BMW utilizes. There are three types of batteries, each with their own pros and cons. Lead-acid batteries are the most popular because they contain sulfuric and lead. It generates electricity by an chemical reaction and recharges itself when you drive your BMW. Other types of batteries that are that are used in BMWs are Gel or Absorbent Glass Mat (AGM). These batteries function similarly but require different handling and installation.

It's time to replace your old battery once you know which one your BMW utilizes. Most auto parts retailers will have systems in place to match your BMW's make and BMW Series 1 Key model with the correct battery, which will save you some time. You can also look up the owner's manual, which should list the battery type needed for your specific model.

To replace the battery in the BMW key fob, shut off your car and then remove 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 taking the batteries out, clean the terminal connectors then carefully reinstall. Don't tighten the brackets too tight, as this could cause cracks in the battery case. Connect the positive terminal prior to the negative terminal. Finally, reconnect the upholstery to its normal place.

It's recommended to register your new battery. This will let the engine control module, also referred to as the DME and BMW Series 1 Key the DME know that you have new batteries and it won't be confused which one to charge. It also resets the battery's age statistics, which could help stop overcharging of your brand new BMW battery in Smyrna or Alpharetta.

How to Replace a CR2032 battery

A dead key fob is an inconvenience, but it's also fairly easy to replace the battery. It only takes a few minutes and can be done at home.

The key fobs that are used in BMW vehicles are powered by CR2032 batteries that are a typical watch battery. They're slightly more expensive than other types of batteries, however they can be found at any convenience store or parts center. You can change the battery by taking off the old one and replacing it with a new one. Then, put the fob back in. It's a simple process and you'll be able to start your car in the blink of an eye.

A dead battery is likely to be the reason for your BMW key fob not functioning while you're driving around Johns Creek. Fortunately, it's easy to fix!

First, you'll need to press the small tab on the back of your BMW key fob to unlock the inside valet key. When the key fob is open, you'll see a small access port in which the battery is. You can make use of a flat screwdriver, or similar tool to take off the cover of the battery, and then you can replace it with a brand new one.

If you're looking to buy a brand new BMW or a used car near Decatur Make sure to check our inventory at Tulley BMW Nashua. If you have any concerns about our vehicles, don't hesitate to contact us today. We're eager to help you to find the perfect car for you!

How do you replace a CR2450 battery

The BMW key fob is a vital part of your driving experience. It provides security and convenience at the touch of a button. Over time, however, the battery in your bmw keys replacement key fob may weaken, and it will need to be replaced in order for it to work correctly. Understanding how to replace the BMW key fob will aid you in getting back on the road again swiftly and easily.

There are many different types of BMW key fobs, the majority of them use the same battery type, a CR2450 or CR2032 coin cell. This small, round battery is typically found in a majority of shops and can be bought for less than a dollar per unit. In addition to being easily accessible, CR2450 batteries are also extremely 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 within the fob. Once the metal valet has been removed, locate the small access port that hides the key battery on the front of the fob. Utilizing a flat screwdriver remove the cover to expose the battery. Once the old battery is removed, replace it with a new one with the positive side facing up and then reassemble the key fob.

Test the key fob after the battery is replaced to confirm that it is still working properly. Contact your BMW dealer if the key fob isn't responding. Some older BMW models require that the key fob is synchronized with the vehicle after replacing the battery. However this isn't the case for BMWs made in recent years.

Although it is possible to swap the battery in an older BMW key fob by cutting open the case and soldering to a new battery, this method is not recommended as it could damage the internal circuit board. Tulley BMW Nashua recommends that you follow the instructions in this guide for changing the CR2450 batteries that are found on the majority of BMW keyfobs. This simple task will take you only a few minutes and get you back on the road.

How to Replace a CR2032 Side Indent Battery

The CR2032 side indent battery on the BMW series 1 key fob (and some other models) is easy to change. It is shaped like a nickel, and it can be removed and put back into the slot very easily. Use your fingers to take out the old battery, then replace it with a new one, making sure to be in line with the reverse. You can find replacement batteries in many auto parts stores as well as on the internet.

If your BMW has diamond key fobs the procedure is slightly more complex. You can't replace the CR2016 battery since it's different from a CR2032, CR2025 or a CR2032. You can test if it works by rotating a CR2016 with conductive aluminum foil. If it isn't working, you'll have to cut off the plastic fob and expose the battery. Then solder in a replacement.

The tiny access port found on many BMW key fobs is accessible with the edge of a different key's metal blade or screwdriver that is flat. If you don't own an edged blade made of metal, you can use the tip of a pen. When you take off the cover, the CR2032 batteries will be visible.

The CR2032 side-indent battery is not designed to be maintained and the case cannot be opened. It is rechargeable and is charged when the key is placed in the ignition.

It's a good idea have a spare key in the event that your remote is damaged or lost. 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 ready to address any questions or concerns. We look forward getting in touch with you!