For BMW CAS4 System Intelligent Remote Control Car Key with Integrated Chip & Battery, Frequency:868MHz

This is a remote car key designed for BMW CAS4 systems. It features an integrated chip and battery for DIY programming.

• Product type: Remote Car Key
• Compatibility: BMW CAS4 5 Series 2009-2016, BMW CAS4 7 Series 2010-2016
• Material: Metal and Plastic
• Frequency: 868MHz
• Key feature: Integrated chip and battery
• Intended use: DIY programming
• Includes key housing, key blade, circuit board, integrated chip, and battery
• Buttons: 4 buttons
• Model number: KR55WK49863 with chip 7945