Reference:
BW102TE03-OE
BMW CAS4 REMOTE KEY WITH 4 BUTTONS (2012-2016) PCF7953 ID46 433.9 MHZ - GENUINE
Keyless remote with 4 buttons used in BMW F Series CAS4
Transponder PCF7953 ID47
Emergency key blade not included. Key Code part number: BW92ES-5
Battery: CR2450
433.9 Mhz