Upgrade Your BMW F10 with the BMW F10 4 Button CAS4 - FEM Smart Key Seamless Access and Keyless Go Functionality Enhance your BMW F10 driving experience with the advanced BMW F10 4 Button CAS4 - FEM Smart Key. This smart key is designed to provide you with seamless access to your vehicle, offering convenient keyless entry and keyless go functionality for your everyday drives. Key Benefits: Reliable Communication: With a frequency of 433MHz, this smart key ensures reliable and stable communication between the key and your BMW F10, guaranteeing seamless access and control. Effortless Control: The BMW F10 4 Button CAS4 - FEM Smart Key features four buttons that allow you to effortlessly lock, unlock, and control the boot of your vehicle with just a press. Keyless Entry: Experience the convenience of keyless entry, eliminating the need for traditional keys and streamlining your car access process. Enhanced Security: The keyless go functionality provides an added layer of security, ensuring