Upgrade Your BMW F10 with the BMW F10 4 Button CAS4 / FEM Smart Keyless Key Convenient Control and Keyless Entry Elevate your BMW F10 driving experience with the cutting-edge BMW F10 4 Button CAS4 / FEM Smart Keyless Key. Specifically designed for the F10 model, this smart key features a 4-button layout that provides you with convenient control over your vehicle's central locking system. Key Benefits: Seamless Integration: The BMW F10 4 Button CAS4 / FEM Smart Keyless Key is seamlessly integrated with your BMW F10, ensuring reliable and secure communication through its advanced 868MHz frequency. Effortless Access: Experience the convenience of keyless entry and start with the keyless go functionality, eliminating the need for traditional keys and simplifying your car access process. Enhanced Security: The keyless go feature enhances the security of your BMW F10, allowing only authorized users to enter and start the vehicle, providing you with peace of mind. Sophisticated Design: The sm