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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 available to iPhone and Android users with the BMW Connected App.

It is possible to replace the small battery that powers your BMW key fob, and the procedure is very straightforward. Find out how on the page Changing Lanes - your weekly resource for all things BMW.

How to replace a Key Fob

A lost or damaged key fob isn't an inconvenience. If your vehicle has smart keys or Comfort Access and you don't have a key fob, you'll not be able to use keyless entry or start the engine without it. It is important to know how to replace the BMW key fob to avoid being stuck on the side the road.

It's easy to replace a BMW remote control at home. In most cases, you'll only need to replace the battery. The battery is small and rechargeable. (CR2450 or 2032 coin cell) can be found at many hardware stores and big retailers for around $10 each. There are also videos on YouTube and many owner's guides give instructions on how to replace the battery.

If you're looking to save some money, you can try replacing the battery yourself. Be careful not to scratch the blade of the key made of metal. Once you remove the old battery, replace the new one cautiously and then put the cover back on. If you're not confident in replacing the battery yourself then you can always visit your dealership or a locksmith that's qualified to do so.

The dealer is the most expensive option, but they're the only ones with authentic OEM replacement parts. Also, they have the equipment and knowledge required to reprogram a replacement key fob.

A dealership could be the only option in the event that your car is equipped with a display keyfob. These advanced fobs come with additional features that require a specialized key in order to be programmed, such as keyless access, or the ability to remotely start the vehicle remotely.

Additionally the key fobs must to be programmed with the specific vehicle's VIN. So, used fobs from eBay or other online sources will not work. You can check whether your roadside assistance or warranty includes a replacement. Also, you can determine if your insurance company offers policies that cover the cost of a replacement or provides a discount for buying one. If they do, you should purchase a spare unit and learn how to program it.

How to Replace a Battery

BMWs are a top option for those looking for the best in luxury and performance in an automobile. Like all vehicles, they need to be taken care of and maintained properly, including replacing the battery with a fresh one as needed. It's a simple task to do even though a battery might appear to be the last thing anyone thinks about when it comes to car care. While some drivers prefer to have their vehicle checked by an expert, it's possible for the average person to change the battery of a BMW battery on their own, provided they are aware of what they're doing.

Before beginning, make sure you have a spare battery and the tools you require for the job, such as a toolkit and an auto jack. Find the battery in the interior of your BMW that is typically located on the floor of the trunk or under a liner. Unlock the trunk and take off the upholstery that covers the battery. Remove the negative battery terminal using an 8mm wrench and then place it on the side. The next step is to connect the positive terminal. Do not overtighten the battery case.

Many older BMW models have the traditional round keyfob that has an insignificant port. To replace the battery on these models, begin by pushing the button to release the valet key, then look for the small groove in the opening. Use a screwdriver to turn it clockwise before removing the cover. Then, you can insert the CR2032 into the slot after taking off the blade of metal. After putting the key fob back together, you can start your car by pressing the button once more.


If your car won't start after installing a new battery, this could indicate that the anti-theft device has been activated and is hindering it from operating. This could happen if the new key isn't linked to the immobilizer, or isn't registered to your vehicle. This could be a sign of a defective engine ignition switch. If this is the case, it's best to contact the local BMW dealership for a repair quote.

How to Replace a Transponder

BMW cars are a symbol for luxury and reliability, but it doesn't mean they're invincible to problems. One of the most frequent problems is losing your BMW key and this can be stressful when you don't know the best way to replace it. There are a few simple steps you can take to get your car back on the road without too much stress.

First, you'll need determine which type of BMW key you have. Transponders are commonly used in BMWs. They are tiny chips that are embedded in the keys and send a code when the key is inserted. The code is used to authenticate the vehicle and allow it to begin. If your BMW comes with a chip, only a locksmith or dealer with the right tools will be able to make you an entry key.

If your BMW has a key that has an indentation on the side it's an old-fashioned BMW key and doesn't use a transponder. These keys are less expensive and can be replaced by a standard one from your local hardware store. The key is powered by a battery which needs to be replaced regularly.

The new BMW keys have a transponder and will need to be replaced at a dealership or locksmith. You can buy a replacement online from a seller who specializes in BMW keys however, you'll need pay to have it programmed to your specific car. A reputable locksmith or dealership can do this quickly and affordably.

The steps are identical whether you wish to replace your BMW key fob battery, or repair a broken BMW keyfob. First, you'll need to take off the fob and then find the tiny hole close to the keyhole inside the trim. Once you've found it, you can pull the trim panel off and expose the keyhole. Then, replace the battery of the key fob typically a C2032.

BMW remains one of the most sought-after automobiles that are luxurious available, and for good reason. It's a great vehicle to travel between Chino Hills and Corona, and it comes with a variety of amenities for drivers. As with any vehicle there are a few issues. If you require assistance with your BMW make sure to reach out to Sure Lock & Key for the best BMW key replacement services.

How to replace a remote

As your BMW vehicle gets more sophisticated, you will require more features from your fob that controls the key. It is probable that you will need to replace the fob in time or at the very least its battery. It is important to follow the correct procedure to prevent your vehicle from being disabled or locked.

A brand new BMW key fob needs to be programmed into your vehicle before it is able to unlock or start the engine. To do this, put the working fob into the ignition and switch it to position 1 however, don't turn on the engine. After 30 seconds, remove the key from position 1. Connect the new fob to the ignition and change it to a different position. Do not start the engine. Repeat the process three times for each additional BMW key fob you want to connect within 30 seconds after syncing your original.

Certain BMW key fobs come with a removable key blade at the base of the body. This could be used as an ordinary key in times of emergency. Some people choose to keep their key fob inside a pouch that blocks signals. This can stop anyone from using an amplifier to look for an identifying signal broadcast by the fob, and then use it to duplicate the key.

The Keylab is another useful feature. It lets the owner control the car's parking movements by pressing the Display Key. This is particularly useful for navigating tricky parking spaces or when your driveway or garage has an odd shape.

Finally, the most recent BMW models are also equipped with Digital Key Plus, which allows users to lock, unlock, and start their vehicle using an iPhone or Apple Watch, eliminating the requirement for a physical key fob altogether. This feature is compatible with X1 models 2021 and later, and uses Ultra Wideband Technology to detect when a driver is close to their car.

For this feature to work, your phone must have iOS version 11.x or higher and the most recent version for BMW Connected Drive. If you encounter any problems, please contact your local BMW Dealer or Sure Lock & Key.

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