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How to Replace a BMW Car Key

BMW Digital Key allows owners to share their access with friends and family. This feature is available to iPhone and Android users using the BMW Connected App.

The procedure of replacing the tiny battery in your BMW key fob is straightforward. Find out how to do it on Changing Lanes - your weekly resource for everything BMW.

How to replace a key fob

A lost or damaged key fob could be a major problem. If your car is equipped with smart keys or Comfort Access and you don't have a key fob, you won't be able to use keyless entry or start the engine without it. It's important to learn how to replace the BMW key fob to avoid being stuck on the side of the road.

It's not difficult to replace a BMW remote control at home. In the majority of cases, you just have to replace the battery. These small, rechargeable batteries (CR2450 or CR2032 coin cells) are easily accessible at hardware stores and big-box retailers for about $10 each. There are also tutorials on YouTube and numerous owner's manuals provide instructions on replacing the battery.

You can replace the battery yourself if you want to save some money. Be careful not to scratch the metal blade of your key. After you have removed the battery that was used, put in the new one carefully and place the cover back on. If you are not confident in replacing the battery, you can go to your dealer or a locksmith who is qualified to do the job.

Dealers are the most expensive, yet they have the best OEM replacement parts. They also have the experience and tools to reprogram your replacement key fob.

If your vehicle is equipped with an electronic key fob that displays dealer might be the only option. These advanced key fobs include features that require a specialized key to program, for example keyless entry, or the ability to start the car remotely.

Additionally the key fobs must to be programmed with your vehicle's specific VIN. Used fobs purchased from eBay or online sources are not compatible. You can check if your roadside assistance or warranty includes a replacement. Also, you can determine whether your insurance provider offers policies that cover the cost of replacing a key fob or provides a discount for purchasing one. If they do, it's a great idea to get an additional key fob and to learn how to program it too.

How do you replace a battery

BMWs are a top choice for drivers who want luxury and power in a car. Like all cars, they have to be cared for and maintained in a timely manner, including replacing the battery with a new one as required. While a battery might seem to be the most important thing on a motorist's mind when it concerns car maintenance but it's actually a simple DIY project. Some drivers take their car to a professional for the battery replaced however, if you're aware of the basics, you can replace your BMW battery on your own.

Before starting, make sure that you have a spare battery and the tools you need for the job, such as a toolkit and an auto jack. Find the battery in your BMW that is typically on the trunk floor or under a liner. Open the trunk and remove the upholstery that covers the battery. Unplug the negative battery terminal with a 10mm wrench and place it on the side. Next, you will need to connect the positive battery terminal. Do not overtighten the battery case.

A lot of older BMW models come with the traditional round keyfob that has a small port. To replace the battery in these models, start by pushing the button to remove the valet key, then notice the small groove inside the opening and use a screwdriver to turn it clockwise and remove the cover. After removing the key's metal blade, you can place a new CR2032 battery into its slot. You can start your vehicle by pressing the button a second time after putting the key fob together.

If your car doesn't start after installing a new battery, this could indicate that the anti-theft device has been activated and hindering it from operating. This can happen in the event that a new ignition key isn't connected to the immobilizer system or hasn't been registered to the vehicle. It could also be an indication of an ignition switch that is defective in the engine. If this is the case, it's recommended to contact a local BMW dealership for a repair quote.

How to Replace a transponder

BMW cars are renowned for their quality and reliability. However, they may still be a challenge. One of the most frequent problems is the loss of your BMW key and it can cause an enormous hassle when you don't know the best way to replace it. Thankfully, there are a few things you could do to get your vehicle back on the road without much stress.

The first step is to determine which type of BMW key you own. Most BMWs have transponders, which are chips in the key that transmit a code to the car's computer when you insert the key. This code allows the car to start and authorize it. If your BMW is equipped with a chip then only a dealer or locksmith with special tools can make you new keys.

If you have an old-fashioned BMW, the key does not have a transponder. These keys are more affordable and can be replaced by a standard one from the local hardware store. The key also comes with an internal battery that must be replaced periodically, so be sure to keep an eye on it.

The new BMW keys are equipped with transponders and will have to be replaced at a dealer or a locksmith. You can buy an alternative online from a vendor that has a specialization in BMW keys, but you'll have to pay for the program to be adapted to your specific vehicle. A reputable locksmith or dealership can do this fast and inexpensively.

If you're looking to fix your broken BMW key fob or replace its battery, the steps are very similar. You'll have to remove the fob and look for an opening in the trim around the keyhole. Once you've located it, you can pry the trim panel off and expose the keyhole. Then, you can replace the battery in the key fob that is typically a CR2032 battery.

BMW is among the most popular luxury cars available. It's an excellent vehicle to drive from Chino Hills to Corona and provides plenty of comfort features for drivers. But, like every vehicle, it could have its problems. If replacement bmw key need help with your BMW make sure to contact Sure Lock & Key for the most efficient BMW key replacement services.

How to Replace a Remote

As your BMW vehicle becomes more sophisticated, you will need more features from the fob that controls the key. It is likely that you will require replacing your fob or battery at some moment. It is important to follow the correct procedure to prevent your vehicle being disabled or locked.

A brand new BMW key fob will need to be programmed to your vehicle prior to it being able to unlock or start the engine. Insert the working fob in the ignition, and turn the key to position 1 without starting the engine. The key should remain in position 1 for thirty seconds, then take it out. it. Next, connect the new fob to the ignition and turn it to a different position, but again don't start the engine. Repeat the process three times for each additional BMW fob that you wish to connect, within 30 seconds of syncing the first.

Certain BMW keyfobs have an ejectable blade at the base, which can be used as a traditional car key in case of emergency. Some individuals prefer to keep their key fob in a signal-blocking pouch, which will prevent anyone from using a signal amplifier to listen for an identifying signal from the fob, and then use it to duplicate the key.

Another feature that is useful is Remote Control Parking, which lets owners control the parking of their vehicle from inside the car with the touch of a button on the Display Key. This feature is particularly useful to park in tight spots or in a garage or driveway that is unusual in shape.

The most recent BMW models also include Digital Key Plus. This feature allows drivers to lock and unlock their car with an iPhone or Apple Watch. It eliminates the need for physical key fobs. This feature is compatible with the 2021 model and later X1 and iX1 and makes use of Ultra Wideband technology to detect the presence of your car.


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

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