BMW Cas4 Fem 4 Button Smart Remote Key 433MHz PCF7945

433MHz PCF7945 BMW Cas4 Fem 4 Button Smart Remote Key

1. Compatibility: This key fob is compatible with BMW vehicles utilizing the Cas4 immobilizer system.
2. Functionality: It serves as a remote key for locking, unlocking, and sometimes even starting the vehicle remotely.
3. Wireless Frequency: Operates at a frequency of 433MHz, allowing for reliable wireless communication with the vehicle.
4. Button Configuration: The key fob typically features four buttons, which are used for various functions such as locking, unlocking, trunk release, and panic alarm.
5. Transponder Chip: Contains a PCF7945 transponder chip, which is programmed to communicate with the vehicle’s immobilizer system to allow starting the engine.
6. Smart Technology: Incorporates smart technology, enabling secure communication between the key fob and the vehicle’s electronic systems.
7. Security: Offers advanced security features to prevent unauthorized access to the vehicle.
8. Programming: Requires proper programming to synchronize with the vehicle’s immobilizer system, ensuring functionality and security.