For BMW 1 3 4 5 6 7 SERIES F10 F20 F30 Smart Remote Key Fob 4B CAS4 FEM 868MHz
BMW F Series 868Mhz 4 button CAS4+FEM(EWS5) Keyless Go. Type：CAS4 FEM System. BMW F30 3 Series saloon 2011-2018. BMW F20 F21 1 Series 2011-2019. BMW F10 5 Series saloon 2010-2018. 1x Remote Key Fob. BMW F01 7 Series, 2008-2018.