868MHz Smart Remote Key Fob KR55WK49127 with PCF7953 Chip for BMW CAS3

PRODUCT OVERVIEW

This is a complete replacement smart remote key fob for BMW CAS3 systems. It includes the electronic board, transponder chip, and key shell, designed as an OE-style replacement when matched to a compatible original key.

KEY FEATURES

• Complete remote key with electronics and key case
• Firm ABS + metal construction with good hand feel
• Good signal transmission and stable performance
• Designed for vehicles equipped with BMW CAS3 system
• Direct replacement when frequency, FCCID and blade style match the original

TECHNICAL SPECIFICATIONS

• Frequency: 868MHz
• FCCID: KR55WK49127
• Chip type: PCF7953
• Material: ABS + metal
• Remote control function: Yes
• Included: Complete key fob with electronics
• Application: For BMW CAS3 system (match to your original key)

PROGRAMMING & CUTTING

• Dealer or professional automotive locksmith programming is required.
• The key blade must be cut by a locksmith or dealer before use.
• There is no self-programming procedure for this remote.

COMPATIBILITY CHECK

• Ensure your original remote uses 868MHz frequency.
• Confirm your original key FCCID is KR55WK49127.
• Verify that the transponder chip type matches PCF7953.
• Compare the key shape, button layout, and case design with your existing key.
• This key will not work if these details do not match your original remote.

PACKAGE CONTENTS

• 1 × Smart remote key fob (complete with electronics)

INSTALLATION NOTE

• No printed instructions included.
• Professional installation and programming are strongly recommended.