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Replace BMW Key Battery If your BMW key isn't opening your car or turning over the engine, it could be time to replace your battery. Fortunately, it's a simple fix. It's as easy as removing the key fob, then replace the battery and gently put it back. Follow these steps and you'll be back on the Johns Creek roads in no time! Replacement Keys If you want to add a spare BMW key, or you've lost yours you'll need to program it into your vehicle. This is a highly-tech procedure that involves the synchronization of the new key with the car's onboard system and it can cost anywhere from $200 to $500 depending on your model. You can purchase an alternative key from your dealer for a reasonable price in the event that your key is damaged or lost. You might find a better price on the internet from an independent seller that specializes in car key. Before buying ensure, however, that you're working with an authorized dealer and that the key you buy is compatible with your BMW. Alternately, you can engage a locksmith to program your BMW key. They usually charge a lower rate than dealerships, and many have the knowledge and experience needed to connect the new key to the car's computer system. However, they may need to request your government ID as well as proof of ownership to verify your identity and registration of your car before taking action. The comfort access smart keys are a streamlined embodiment of BMW's latest technology that has consolidated their standing as a pioneer in the automobile industry. These sleek devices feature features that let you interact with your car like smartphones. You can control the climate as well as unlock the doors, and much more. They're also designed to be extremely robust with water resistance and a rugged exterior to ensure they're functional in extreme weather conditions. BMW smart keys come with security features that ensure that your car is secure. They feature a fingerprint sensor to prevent access by anyone who isn't authorized and an infrared light with dual bands which makes it difficult for thieves to spot your key fob from afar. The BMW app can also monitor the activities of your key fob and also check its condition. The loss of your BMW key can be more than just a hassle. It could also be a major inconvenience for the modern commuter. Fortunately, you don't have to drive miles to the nearest dealership to purchase your BMW key, or pay high replacement costs. Instead you can have a professional locksmith cut you an alternative key and program it to your vehicle for less than the cost. Key Fob Batteries It's possible to replace the battery in the event that your BMW key fob is having trouble unlocking or locking your vehicle. Thankfully, this is an easy DIY job that almost people can complete. No matter if your BMW uses a Smart Key or a Comfort Access Key, you will have to remove the valet key made of metal from the inside of the fob. Then, make use of a flat screwdriver to remove a small access port that houses the key battery. After the cover has been removed, you can take off the old battery and then replace it with an alternative one. Once you have the correct battery installed, simply place the cover for your key fob back in place and your BMW key fob will work once more! In general, you should purchase your replacement battery at the local auto parts store or convenience shop. You can be sure that you're purchasing the right battery for BMW automobiles. Often, you'll find the kind of key battery required printed on the back of the battery itself. If you don't find this information on the battery, search online to find out what type of keyfob battery your BMW car requires. The primary battery used in the majority of BMW key fobs is a CR2032 type battery which is also known as watch batteries. These batteries are available at most auto stores, or even at your local grocery store. You can also order these batteries on the internet. Make sure to select the correct type of key fob battery that is compatible with your BMW vehicle based on the year it was produced. Reassemble your BMW key fob after replacing the battery, and check that all remote buttons function correctly. Most of the time, your key fob will not require programming, however older models may. It is important to always follow your vehicle's owner manual when changing the battery on your key fob. If you have any questions or concerns, please contact us at Tulley BMW of Nashua and we'll be happy to assist you! Smart Key Batteries Unlike the key fob that is included with your car, which is basically an electronic switch, the BMW's smart key comes with a variety of features. You can open the doors without touching them. You can even start your car remotely using the key fob. However, these functions are not free of risk. The biggest issue is that you could hack into the system to activate your car even if you're not inside it. If you're within proximity to a person with a signal amplifier that transmits RF signals that identify your key fob. To prevent this from happening most people keep their key fobs in an item that blocks signals. The battery of a smart key lasts just half the time as the battery of a standard keyfob equipped with a blade (two to four years, versus six to eight). The smart key is fitted with a receiver that has to constantly communicate with the vehicle, especially when the key is inside or close to the vehicle. You can usually detect if the battery is depleted by observing if your car doesn't respond to the signal from your fob or if you have to be much closer to the car in order to allow it to unlock or start. The process of replacing your BMW key fob battery is very easy however, it's crucial to do it right. First, remove the metal key blade from the fob. Then, use a screwdriver or the valet key to open the access port located on the back of the fob. Remove the old battery and replace it with a new CR2032 battery. You can also buy replacement batteries at your local auto store. However, they will likely require the assistance of a dealer because they require proof of ownership in order to be prepared for your vehicle. In addition, for security reasons you can't buy used fobs on eBay or other platforms because they may be programmed to work with an unrelated vehicle and be able to override the built-in security features that shield your car from being accessed by criminals. Slant Shaped Key Batteries There are some things you could do wrong in the event that your BMW requires a key fob. You may find that the key fob ceases to function and doesn't respond to the lock and start buttons. click this link could be a sign of an electronic issue but rather an unresponsive battery. Whether you have a Smart Key, Comfort Access Key or Sleek Slant Shaped Key, or Diamond Key, replacing the battery in your key fob is a simple procedure that takes just a few minutes and can be done at home. The batteries that power these key fobs are easily accessible at hardware stores or big box retailers or even on the internet, and cost $10 or less. This makes it easy for most people to replace a battery in their key fob after the old one dies. First take off the metal valet key from the fob by pressing the button located on the side where it can be removed from its case. Once the key for the metal valet is removed using a screwdriver, turn the groove in the center clockwise to take off the cover. Replace the battery, and then put it back together. You can also purchase a new key fob battery from your local BMW dealership or an auto parts store. Generally, these are available for purchase at a cost of less than $10, and they can be replaced in a matter of minutes. The process is relatively easy, and the majority of people are able to follow the directions in their owner's guide or on YouTube videos that show step-by-step how to remove the key from the case and then replace the battery. The only type that can't be replaced is the Display Key. This key has an LCD with full-color display and is able to wirelessly charge your car when it is placed in the charging pocket located in the center console. It is, however, possible to replace the battery on a Display Key without soldering or cutting, but it will require special tools.