Upgrade Your BMW F10 with the BMW F10 4 Button CAS4 / FEM Blue Smart Remote Enhance Functionality and Style for a Seamless Driving Experience The BMW F10 4 Button CAS4 / FEM Blue Smart Remote is the perfect accessory to elevate your BMW F10 driving experience. Operating at a reliable 434MHz frequency, this keyless remote ensures seamless communication with your vehicle's CAS4 / FEM system. Key Benefits: Keyless Entry and Keyless Go: Enjoy the convenience of keyless entry and keyless go features, allowing you to effortlessly lock, unlock, and start your car with ease, providing a hassle-free driving experience. Sleek Blue Design: The sleek blue design adds a touch of sophistication to your keychain, complementing your BMW F10 and reflecting your style and taste. Secure and Effortless Driving: The smart technology ensures secure and seamless communication with your vehicle's CAS4 / FEM system, providing you with a worry-free and effortless driving experience. Enhanced Convenience: Say go