*If the unit comes in Chinese please go to the lock screen and press the power button 6 times. You should see an option for a language change."

• Brand New Aftermarket Replacement For:
• Frequency: 315 MHz
• CAS4 , FEM, EWS5 Compatible
• Chip: PCF7953P / HITAG PRO / 49 CHIP
• Battery: USB Rechargeable
• Buttons: Lock, Unlock, Trunk, Option
• Manufacturer: KeylessFactory
  
  

Compatible with the following:

CAS 4 / FEM / EWS5 Systems with 315 MHz

• 2012 - 2018 BMW 3 Series
• 2012 - 2018 BMW 5 Series
• 2012 - 2018 BMW 7 Series

Note: Please check the type of system you need some of the ending years may use different systems.