Mini Replacement Key
If your key fob doesn't work you may need an upgrade to the battery. It could also need to be reprogrammed to fit your specific vehicle.
Typically, you can get this service at your dealer. But, you can also contact a locksmith. They will make use of your vehicle's VIN to make a replacement key for you.
Battery
The battery in your key fob might wear out and stop working after a certain time. It's simple to replace it at home. Simply pry your fob open and take out the old batteries and snap in the new ones. It'll take a bit of effort, but you'll be driving back to normal in the blink of an eye. Certain key fobs require you to purchase an internal key blade, therefore, please include that necessary when placing your order.
Programming
The key that came with your Mini Cooper comes with a chip that communicates with the car to open the doors and turn on the engine. This is the reason it's essential to have a backup key, whether you require it as a spare or in case you lose yours. It is possible to find a common key at a hardware shop, however, you'll require a locksmith to programme it into your car to ensure it works.
The process of coding is time-consuming and complicated. The CAS module should be removed from the car and the key data extracted using soldering. The new key has to be programmed to your vehicle by an authorized dealer or a professional BMW/MINI coder. This is why most locksmiths will turn the job away. If you are able, try a local BMW/MINI coder instead. They use an ID44 programmer to connect to the BC1 module in your vehicle and read the EWS (immobilizer code) from the old key to program the new key.
VIN Number
Every vehicle has a VIN (Vehicle Identification Number) number that is unique to the vehicle. This VIN number is comprised of 17 characters. They may appear random, however they have specific meanings and are designed to guard vehicles against theft and fraud.
The first three characters of the VIN code are used to identify the location and the manufacturer of the vehicle. These codes are called the World Manufacturer Identifier (WMI). The characters 4-8 provide additional details about the vehicle, including its specifications and model. The ninth character is an identification code that confirms the VIN as valid. thekeylab is the year the vehicle was manufactured.

You will find the VIN number on many different places in your car. It is usually printed on an adhesive that is visible when you glance at the dashboard or windshield. It is also visible on the driver's side of the door jamb by opening that door and looking into.
If you're thinking of purchasing a used car, make sure that you verify the VIN number before signing the contract. A VIN decoder will help you be aware of the VIN to ensure that you don't purchase a stolen vehicle or one with damage. VINs were made standard since 1981, but prior to 1981 vehicles used a different format, which can be difficult to interpret.
Lockout Service
Modern key fobs are outfitted with a transponder that can disable the vehicle's immobiliser. These chips are located in the key itself and send out a signal that is received by the CAS unit of the vehicle, which then starts the engine. This feature is designed to stop thieves from using stolen keys to start your vehicle.
MINI, which is a sub-division of BMW is known for keeping high standards in fashion and technology. Whether your MINI model is new or old you can avail a key replacement service for it. This service is targeted towards drivers with cars that are operated by key fobs.
If your key fob isn't working, it may simply need an upgrade to the battery. If it takes longer to unlock or lock the door than normal, this is a common sign. If this is the case, you should call one of the locksmiths in your area to have your fob's battery replaced. The process should take 10 to 30 minutes to complete. It's a quicker and less expensive option than having to replace the key fob in its entirety. You can also avail this service if you have locked yourself out of your vehicle and need help to get back inside.