How to Replace a BMW Car Key

BMW Digital Key allows owners to share their access with friends and family. BMW Connected App users on iPhone and Android have access to this feature.

The process of replacing the small battery in the battery of your BMW key fob is simple. Find out how to do it on the page Changing Lanes - your daily source for all things BMW.

How to replace the Key Fob


A misplaced or dead key fob isn't a minor inconvenience. If your car has smart keys or Comfort Access that aren't working, you'll be unable to use keyless entry or start the engine without it. Therefore, it's essential to be aware of how to replace the BMW key fob with a brand new one to avoid getting stuck on the side of the road.

It's easy to replace the battery in a BMW remote control at home. In most cases, you only have to replace the battery. thekeylab.co.uk , rechargeable batteries (CR2450 or 2032 coin cell) can be found at most hardware stores and large retailers for around $10 each. You can also find videos on YouTube and many owner's guides provide instructions on how to replace the battery.

You can replace the battery on your own if you want to save some money. Be careful not to damage the key blade made of metal. After taking out the old battery, be sure to insert the new one in and replace the cover. If you're not sure in the process of replacing the battery, you can go to your locksmith or dealer who is qualified to do the job.

The dealer is your most expensive option, however they're likely the only ones with authentic OEM replacement parts. Additionally, they have the equipment and knowledge needed to reprogram a replacement key fob.

If your car is equipped with an ignition key with a display and you need to find a dealer, it could be the only alternative. These advanced key fobs include features that require a specific key to program, for example keyless entry, or the ability to remotely start the car.

These key fobs must also be programmed with your vehicle's VIN. Therefore, fobs purchased from eBay or other online sources won't work. You can determine if your roadside assistance or warranty includes the possibility of a replacement. You can also see whether your insurance provider offers an insurance policy that covers the cost of a replacement or provides a discount for buying one. If they do, it's a good idea to purchase an extra key fob and learn how to program it.

How to replace a battery

BMWs are a popular choice for drivers who want quality and power in an automobile. Like every vehicle, they require to be taken care of and maintained properly, which includes replacing the battery with a new one if needed. It's easy to do yourself, even though a battery might seem like the last thing that a driver thinks about when it comes to car care. While some drivers prefer to take their vehicle to a professional, it's entirely feasible for the average motorist to change the battery of a BMW battery on their own, provided they know what they're doing.

Before you begin, ensure that you have a spare battery and the tools you require, including a toolkit and a car jack. The battery 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. With a 10mm wrench, disconnect the negative battery terminal, then carefully move it to the side. The next step is to connect the positive terminal. Do not tighten the battery case too much.

Many older BMW models have the classic round keyfob with a small port. To replace the battery on these models, first take off the valet keys by pressing the button. Then, look for the small groove and then turn the screwdriver clockwise until you take off the cover. Then, you can insert a CR2032 into the slot after taking off the blade made of metal. After you have put the key fob back together, you are able to start your car by pressing the button again.

If you notice that your car isn't starting after a new battery is installed, it might be a sign that the anti-theft mechanism has been activated and is preventing the car from operating. This could happen if the new key isn't connected to the immobilizer, or isn't registered to your vehicle. It could also be an indication of an ignition switch that is defective in the engine. If this is the case, you'll need to call an authorized 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 common issues is the loss of your BMW key and this can be a big headache if you don't know how to replace it. There are, however, a few things you can do to get your vehicle back on the road with a lot of stress.

First, you'll need to determine what kind of BMW key you have. Transponders are used in most BMWs. These are small chips that are embedded in the keys and transmit an encoded code when the key is put in. This code is used to allow the vehicle to start and authorize it. If your BMW is equipped with a chip then only a locksmith or dealer equipped with specialized tools can give you an additional key.

If your BMW keys have an indentation at the side it's an old-fashioned BMW key that doesn't have transponders. These keys are cheaper and can be easily replaced by a standard key bought at your local hardware store. The key is powered by an internal battery that needs to be changed periodically.

The most recent BMW keys come with a transponder, so they'll have to be replaced by a locksmith or a dealer. You can buy keys online from a vendor who specializes in BMWs, but you will have to pay for it to be programmed to fit your vehicle. A reputable dealership or locksmith will be able to do this fast and cost-effectively.

The steps are the same whether you want to replace your BMW key fob battery or repair a broken BMW keyfob. You'll need to remove the fob and locate an opening in the trim close to the keyhole. Once you've found it you can take off the trim panel to reveal the keyhole. You can then replace the battery in the key fob that is usually an CR2032.

BMW remains one of the most adored automobiles that are luxurious available and with good reason. It's a great vehicle to drive between Chino Hills and Corona, and it offers many features that make driving comfortable for drivers. As with any vehicle, there are some issues. Contact Sure Lock & Key if you need assistance with your BMW.

How to Replace a Remote

As your BMW vehicle becomes increasingly sophisticated, you will need more features from your key fob. It is probable that you will have to replace the fob in time or at the very minimum, its battery. This is why it's crucial to know the correct way to do this, as a misstep could result in your vehicle being locked or disabled.

The new BMW key fob has to be programmed before it is able to unlock the vehicle or start the engine. To do this, simply insert the working fob into the ignition and move it to position 1 however, do not start the engine. After 30 seconds, remove the key from position 1. Connect the new fob to the ignition, and turn it to another position. Do not start the engine. Repeat the process three times for each additional BMW key fob you wish to connect within 30 seconds after syncing your original.

Some BMW key fobs also have an open key blade that can be removed from the base of the body. It can be used as an ordinary key in times of emergency. Some people choose to keep their key fob inside an enclosure that blocks signals, which can stop anyone from using an amplifier to listen for an identifying signal from the fob and then use it to copy the key.

Another useful feature is Remote Control Parking, which allows owners to control their car's parking maneuvers from inside the car with the push of a button on the Display Key. This is particularly helpful in parking spaces with difficult access, or if your driveway or garage has an odd shape.

Finally, the most recent BMW models offer Digital Key Plus, which lets drivers lock and unlock their vehicle using an iPhone or Apple Watch, eliminating the necessity of a physical key fob altogether. This feature is compatible with X1 models 2021 and up and utilizes Ultra Wideband Technology to detect when the driver is near their vehicle.

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