2014 - 2023 BMW Smart Key 4B W/ Trunk Fob FCC# N5F-ID21A - 66-12-5-A40-7A5

2014 - 2023 BMW Smart Key 4B W/ Trunk Fob FCC# N5F-ID21A - 434 MHz

Replacement Key Fob for:

BMW X1 2016 2017 2018 2019 2020 2021 2022

BMW X2 2018 2019 2020 2021 2022 2023

BMW X5 2014 2015 2016 2017

BMW X6 2015 2016 2017 2018

FCC ID: N5F-ID21A

Frequency: 434 MHz

IC#: 3248A-ID21A

Chip ID: HITAG Pro ID 49 PCF7953V

Part #: 66-12-5-A40-7A5, 66-12-6-805-992, 66-12-9-317-147, 66-12-9-337-238, 66-12-9-367-395

CNC ID: H-21471

Emergency Key: Included (BL-BMW-06)

Battery: CR2032

Notes:

• Replacement Keyless Entry Remotes and Key fobs for Cars and Trucks (picture might show FRONT and BACK of the same key remote).
• All Keyless Remotes and Smart, Proxy Keys and Locksmith Tools include a brand new battery.
• All New Keyless Entry Remote Key Fob, Refurbished Remote Key Fob and Locksmith Tools are tested before we ship.
• Refurbished Remotes have an OEM board. The case may have been replaced with or without the logo.
• Aftermarket Remotes do not include logo.
• We do not cut or program keys at our warehouse. Please contact your local locksmith here for pricing.

Compatibility Replacement Remotes: These remotes work with car models listed in the compatibility section. 
**Our compatibility section is researched to the best of our knowledge - it is to be used as a suggested guide. Please confirm part number and FCC ID to ensure proper fitment. 
In general there is no onboard programming procedure for newer replacement remote keys. Key fobs must be programmed by a professional locksmith. Please contact an automotive locksmith to get an accurate quote so they can program this key fob once you receive it. 
Many keyless entry remote fob and smart key programming procedures allow you to do the programming yourself for free. Programming Instructions for Replacement Key Fobs are available here.