4/02/2026

CGDI K2 Update MQB49 5C 5D Key Reading Function

Great news! The cheap CGDI K2 key tool released a new software version 5.7.0 on April 2nd, 2026.

 

CGDI K2 V5.7.0

Added the function to generate dealer keys for VAG MQB49 5C/5D models.

Optimized the read and write speed of BMW key functions.

Free update without license activation.

 

CGDI K2 now will read original MQB49 5C/5D key data and generate dealer key.

 

What adapter to use?

No special adapter required.
Use the PS2 remote renew adapter or renew adapter V2 (6-PIN).

Check the wiring diagrams in CGDI K2 device and solder wires to the key circuit board.

No need to remove capacitors.

CGDI K2 Update MQB49 5C 5D Key Reading 1

CGDI K2 Update MQB49 5C 5D Key Reading 2

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What key to use?
It will generate brand new or used original key.

The frequency and key type must match those of the original vehicle key.

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