How to Replace a BMW Car Key BMW Digital Key now allows owners to share access with a larger circle of family and friends members. This feature is accessible to iPhone and Android users with the BMW Connected App. The procedure of replacing the tiny battery inside your BMW key fob is simple. Find out how to do it on the page Changing Lanes - your weekly resource for everything BMW. How do you replace a key fob A lost or misplaced key fob isn't just a minor inconvenience. It isn't possible to use keyless entry if you own a car that has Comfort Access or smart keys. It's therefore essential to know how to replace the BMW key fob with a fresh one to avoid getting stuck on the side of the road. It's not difficult to replace the battery in a BMW remote control at home. The majority of the time all you have to do is replace a battery. These tiny, rechargeable batteries (CR2450 or 2032 coin cell) are available at many hardware stores and big retailers for around $10 per. You can also find tutorials on YouTube, and many owner's manuals provide instructions on replacing the battery. You can replace the battery on your own if you would like to save some cash. Be careful not to damage your metal key blade. After you have removed the battery that was used, carefully insert the new one and replace the cover. If you're not comfortable replacing the battery on your own, you can always visit your local dealer or locksmith who's certified to do the job. The dealer is your most expensive option, however they're the only ones to have authentic OEM replacement parts. They also have the experience and equipment to reprogram your replacement key fob. If your car is equipped with a display key fob and you need to find a dealer, it could be the only alternative. These advanced fobs come with additional features that require a specialized key to program, like keyless entry or the ability to remotely start the car. These key fobs must also be programmed with your vehicle's VIN. So, used fobs from eBay or other sources online aren't compatible. You can determine whether your roadside assistance warranty includes the possibility of a replacement. You can also determine whether your insurance policy covers the cost of replacement or offers discounts if you purchase one. If you do, buy a spare and learn how to program it. How to replace a battery BMWs are popular with drivers who want luxury and power. Like all cars, they have to be taken care of and maintained in a timely manner, including replacing the battery with a new one as required. Although a battery may appear to be the most important thing on a motorist's mind when it is about car maintenance however, it's actually a easy DIY project. While some drivers choose to bring their car to a professional, it's entirely possible for the average driver to change the battery in a BMW battery on their own if they know what they're doing. Before beginning, make sure that you have a replacement battery and the tools you require including a toolkit as well as a car jack. Find the battery in your BMW, which is usually in the trunk floor or beneath a liner. The trunk should be opened, and remove the upholstery covering the battery. Disconnect the negative battery terminal with an 8mm wrench and then place it carefully to the side. The next step is to connect the positive terminal. Be careful not to overtighten, as you could shatter the battery case. Many older BMW models have the traditional round keyfob that has tiny ports. To replace the battery on these models, first take off the valet keys by pressing the button. Next, look for the small groove, then turn the screwdriver clockwise to take off the cover. You can then insert the CR2032 into the slot after removing the metal blade. After placing the key fob back together, you are able to start your car by pushing the button again. If your car isn't starting after replacing the battery, it could mean that the anti-theft device has been activated, and is preventing it from running. This could happen when a new key isn't paired with the immobilizer system or isn't registered to the vehicle. It could also be an indication of a defective ignition switch that prevents the engine from starting. It's best to get an estimate from a BMW dealer in the event of this. How to Replace a transponder BMW cars are a symbol of quality and dependability, however it doesn't mean they're invincible to problems. Losing your BMW key is one of the most frequent issues. It can be a major headache if you do not know what to do to replace it. There are, however, a few things you could do to get your vehicle back on the road with stress. It is first necessary to determine the kind of BMW key you have. Transponders are commonly used in BMWs. These are tiny chips that are embedded into keys and transmit an electronic code each time the key is inserted. The code is used to authenticate the vehicle and allow it to start. If your BMW has a chip then only a dealer or locksmith equipped with specialized tools can give you a new key. If you have an old-style BMW key, it will not use a transponder. These keys are more affordable and can be replaced by a standard one from the local hardware store. The key has batteries that must be replaced regularly. The new BMW keys are equipped with a transponder and will need to be replaced at a dealership or by a locksmith. You can buy an online replacement key from a dealer who specializes in BMWs, but you will have to pay for it to be programmable to fit your car. http://153.126.169.73/question2answer/index.php?qa=user&qa_1=helensunday17 or locksmith will be able to do this swiftly and cheaply. If you're looking to fix your broken BMW key fob or replace its battery it's very similar. You'll have to remove the fob and locate an insignificant hole in the trim near the keyhole. Once you've located it, you can remove the trim panel to reveal the keyhole. You can then replace the battery in the key fob, which is typically a CR2032. BMW is among the most popular luxury cars on the market. It's an excellent vehicle to drive from Chino Hills to Corona and has plenty of features for comfort for drivers. As with any vehicle, there are some problems. Contact Sure Lock & Key if you require assistance with your BMW. How to replace a remote As your BMW vehicle becomes more sophisticated it will require more features from the fob. It is likely that you will require replacing your fob or battery at some moment. This is the reason it's essential to know the correct way to do this, as an error could lead to your vehicle being locked or disabled. A brand new BMW key fob needs to be programmed into your vehicle before it can unlock or start the engine. Insert the working fob in the ignition and then turn the key until it is in position 1 without triggering the engine. After 30 seconds, take out the key from position 1. Next, connect the new fob to the ignition and switch it to a different position, but do not start the engine. Repeat steps 3 and 4 for each additional BMW key fob you wish to connect within 30 seconds of connecting your original. Certain BMW key fobs also come with a removable key blade at the bottom of the body, which can be used as a traditional key in times of emergency. Some individuals keep their key fobs in a signal blocking pouch. This prevents anyone using an amplifier to listen for the signal that is broadcast by the fob and then use it as a key clone. Another useful feature is Remote Control Parking, which allows drivers to control the parking of their vehicle from inside the car with the touch of a button on the Display Key. This is particularly helpful for navigating tricky parking spaces, or if your garage or driveway is an odd shape. Lastly, the latest BMW models also come with Digital Key Plus, which allows drivers to lock and unlock their vehicle using an iPhone or Apple Watch, eliminating the need for the use of a physical key fob. This feature is compatible with X1 models 2021 and above, and uses Ultra Wideband Technology to detect the presence of the driver near their vehicle. To use this feature, your phone must have iOS version 11.x or higher and the most recent version for BMW Connected Drive. If you have any issues with this feature, contact your local BMW dealer or Sure Lock & Key.