Mini Replacement Key
If your key fob isn't functioning it may be due to a new battery. It may also need to be reprogrammed to work with your vehicle.
Typically, you can get this service at your dealership. You can also reach out to a local locksmith. They will use the VIN number of your car to make a new key for you.
Battery
Over time, the battery on your key fob may run low and then stop working. Replacing it is quick and easy and can be done at home. Just pry open your fob, unplug the old battery and replace it with a new one. You'll have to put in some effort, but soon you'll be back on the road. Certain key fobs require you to purchase an internal key blade so make sure you include it if needed when placing your order.

Programming
The key that came with your Mini Cooper comes with a chip that communicates with the vehicle to open the doors and start the engine. It is essential to have a backup in case it's to replace a key or in the event that you lose yours. You may be able to find a generic key at a hardware store however, you'll need an locksmith to program it to your car to ensure it can function.
Coding is a complex and time-consuming procedure. The CAS module should be removed from the car and the key's data extracted through soldering. Then the new key must be programmed to your car by an authorized dealer or a professional BMW/MINI coder. The majority of locksmiths will not accept the job due to this. You could also try an independent BMW/MINI coder in your area. They will utilize an ID44 programmer to connect to the BC1 module in your car and read the EWS (immobilizer code) from the old key in order to program the new key.
VIN Number
Every vehicle is equipped with a VIN (Vehicle Identification Number) number that is unique to the vehicle. This VIN number is made up of 17 characters that may seem random but have specific meanings. They are designed to guard cars from theft and fraud.
The first three characters of the VIN indicate the place where the car was manufactured and the manufacturer. These are known as the World Manufacturer Identifier or WMI codes. Characters four through eight tell more information about the vehicle including the model as well as its features. The ninth character is security code that validates the VIN as valid. The last character indicates the year the vehicle was made.
replacement mini cooper key can find the VIN number on many different locations inside your car. It is usually printed on an image that is visible when you glance at the windshield or dashboard. It can also be found on the driver's side of the door jamb by opening that door and looking inside.
If you are thinking of buying a used car, make sure that you verify the VIN number before signing the contract. A VIN decoder can assist you to comprehend the VIN to ensure that you don't purchase stolen vehicle or one that has damaged. VINs have been standardized since 1981, but prior to 1981 vehicles used the form of a different format which could be confusing to read.
Lockout Service
Modern key fobs are outfitted with a transponder, which can disable the immobiliser system of the vehicle. The chips are incorporated into the key and transmit signals to the vehicle's CAS, that starts the engine. The advantage of this feature is that it helps to stop thieves from using stolen keys to start your vehicle.
As a subsidiary of BMW, MINI has a reputation for establishing the highest standards in style and technology. No matter if your MINI model is new or old, you can get a key replacement service for it. However the service is generally directed towards those who have vehicles that work with key fobs.
It may be that your key fob is in need of an upgrade in battery. One common symptom is the fact that it takes longer than usual to activate the lock or unlock button. 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. This is a faster and less expensive alternative to replacing the entire keyfob. This service is also available if you've locked yourself out of your car and need assistance getting back inside.