Mini Replacement Key
It could be that your key fob requires an upgrade to its battery. It could also require reprogramming to be compatible with your specific vehicle.
Typically, you can avail this service at your dealer. However, you can contact a locksmith. They will use the VIN number of your car to issue you a new key.
Battery
The battery in your key fob might wear out and cease to function over time. The replacement process is quick and easy and can be completed at home. Just pry open your fob, take out the old battery, and replace it with a new one. It will require some effort but you'll be driving back to normal in no time. Certain key fobs require you to purchase an internal key blade, so be sure to include that if necessary when placing your order.
Programming
The key that comes with your mini Cooper is equipped with a specific chip inside that communicates with your car to open the doors and start the engine. It's vital to have a backup in case it's to replace a key or in the event you misplace yours. You may be able to locate a generic key at a hardware store however, you'll require a locksmith to programme it to your car to ensure it works.
Coding is a complicated and time-consuming procedure. The CAS module should be removed from the car and the key data extracted using soldering. The new key will need to be programmed by an authorized BMW/MINI dealer or an expert BMW/MINI coder. Most locksmiths will refuse the task due to this. You could also try an independent BMW/MINI Coder in your area. thekeylab will utilize an ID44 programmer to connect to the BC1 module in your vehicle and read the EWS (immobilizer code) from the old key in order to program the new one.
VIN Number
Every vehicle is equipped with a VIN (Vehicle Identification Number) number that is unique to it. This VIN number is comprised of 17 characters that may seem random but have specific meanings. They are designed to protect cars against fraud and theft.
The first three characters of the VIN code signify the location and the manufacturer of the vehicle. These codes are referred to as the World Manufacturer Identifier (WMI). Characters four through eight tell more information about the vehicle including the model as well as its characteristics. The ninth character is a security code that verifies the VIN as valid. The last character indicates the year in which the vehicle was produced.
The VIN number is found in numerous places on your vehicle. It is typically printed on a sticker that is visible when you look at the dashboard or windshield. You may also spot it on the jamb for the driver's side of the door when you open the door and look inside.
If you're considering buying an used vehicle, make sure to verify the VIN number prior to signing the contract. A VIN decoder will assist you in understanding the VIN number so you can avoid buying damaged or stolen vehicle. VINs were made standard since 1981, however prior to 1981 vehicles were issued in a different format that can be difficult to understand.

Lockout Service
In contrast to traditional car keys modern keys are equipped with a transponder chipset that can disable the vehicle's immobiliser system. The chips are housed inside the key itself and send out a signal that is picked up by the CAS unit of the vehicle that then turns on the engine. The advantage of this feature is that it helps keep thieves from using stolen keys to start your car.
MINI, a division of BMW is known for maintaining high standards in style and technology. You can swap the keys on any MINI model, whether old or new. However the service is generally directed towards those who have cars that are compatible with key fobs.
If your key fob isn't working, it may simply require an upgrade to the battery. One sign that this is the case is if it takes longer than usual to trigger the lock or unlock button. If this is the case, contact one of the local locksmiths to have your fob's battery replaced. The process should take around 10 to 30 minutes. This is a faster and less expensive option to replace the entire keyfob. You can also avail this service if you have locked yourself out of your vehicle and need help getting back inside.