LX 8766 S Smart key 4 button 315Mhz 434Mhz 868Mhz 315LPMhz ID46 chip for BMW 7 series 2002-2008 car key CAS1 (non proximity). Frequency: 868mhz/ 315mhz/ 434mhz/ 315LPmhz optional. Chip: ID46. BMW 7 series 2002 2003 2004 2005 2006 2007 2008.