Mini Replacement Key
It could be that your key fob requires new batteries. It also might need reprogramming to match the specific vehicle you have.

Usually, you can find this service at your dealership. However, you may also make contact with a locksmith. They will use the VIN number of your car to create a new key for you.
Battery
The battery in the key fob can run out and cease to function over time. It is easy to replace it at home. Simply open the fob, take out the old battery, and insert a new one. It will take some effort, but soon you'll be back on the road. Certain key fobs require an internal key blade therefore, please include that necessary when placing your order.
Programming
The key that comes with the mini Cooper has a special chip inside that communicates with the car to open the doors and start the engine. thekeylab.co.uk is why it's important to keep a spare key in your car, whether you require it as a spare or in the event you lose yours. You might be able to find a generic key at a hardware shop, however, you'll need a locksmith to programme it to your car so it can function.
Coding is a complicated and time-consuming procedure. The CAS module should be removed from the car, and the key's data extracted through soldering. The new key will then need to be programmed to the vehicle by an authorized dealer or a professional BMW/MINI coder. This is the reason why most locksmiths will refuse to do the job. You could also try an independent BMW/MINI coder in your area. They will use an ID44 chip programmer to connect to the car's BC1 module and read the current EWS (immobilizer) code from the old key to program the new one.
VIN Number
Every vehicle is equipped with a VIN (Vehicle Identification Number) number that is unique to the vehicle. This VIN number is composed of 17 characters that may appear random, but they have specific meanings. They are designed to protect vehicles from fraud and theft.
The first three characters of a VIN code signify the location and the manufacturer of the vehicle. They are also known as the World Manufacturer Identifier or WMI codes. Characters four through eight tell more details about the car including the model as well as its characteristics. The ninth character is an identification code that confirms the VIN as valid. The last character is the year in which the vehicle was manufactured.
The VIN number is located in a variety of places on your car. It is typically printed on an image that is visible to you when you look at the dashboard or windshield. You can also spot it on the driver's side door jamb by opening it and looking in.
If you are considering purchasing a used car, make sure you check the VIN number prior to signing the contract. A VIN decoder can help you understand the VIN number to avoid purchasing a vehicle that has been stolen or damaged. VINs are standard since 1981. However, prior to 1981, vehicles had a different format, which could be difficult to comprehend.
Lockout Service
As opposed to traditional car keys, modern keys come with a transponder chip which can disable the vehicle's standard immobiliser system. The chips are incorporated into the key and transmit signals to the vehicle's CAS which starts the engine. The advantage of this feature is that it helps to stop thieves from using a stolen key to start your vehicle.
As a subsidiary of BMW, MINI has a reputation for maintaining high standards of style and technology. Whatever your MINI model is new or old it is possible to get an alternative key replacement service for it. However this service is generally designed for drivers who own vehicles that work with key fobs.
It could be that your key fob requires an upgrade in battery. One sign that this is the case is the fact that it takes more time than usual to activate the lock or unlock button. If this is the case, contact one of the local locksmiths to get your fob battery replaced. The process should take 10 to 30 minutes to complete. It is a faster and cheaper option than replacing the entire keyfob. You can also use this service if you have locked yourself out of your car and require assistance to get back inside.