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petak, 28.11.2025.

BMW G/U FGB Key Adding with KD-MAX & BDC03 Clip

Using the Keydiy KD-MAX with the BDC03 specific dismantling-free clip makes BMW G/U chassis key programming much more convenient and efficient. This guide walks you through the complete process of adding an FGB key to a BMW BDC3 module.

Required Tools:
Keydiy KD-MAX
BDC03 Specific Dismantling-Free Clip
Cable Series – Specific Cable for BDC03 Clip
KD FGB57 PCB Board
Original Key

Step 1: Prepare the BDC03 Clip
Remove the BDC03 dismantling-free clip from the package.
Turn on the four switches on the clip.
Note the four wire definitions and connect the wires in sequence.

Step 2: Connect to the Original Key
Remove the back cover of the original BMW key.
Attach the BDC03 dismantling-free clip to the back of the key.
Connect the Cable Series BDC03-specific cable to KD-MAX, then plug it into the KD-MAX device.

Step 3: Read the Chip Data with KD-MAX
On the KD-MAX, select [Remote Function].
Scroll down and choose [Smart Key Clone].
Select [BMW BDC03/BCP Smart Key Clone] ’ [G Chassis/BDC3 Clone].
Tap [Read Chip Data], then confirm with OK.
Wait for the data to be read.
Once complete, save the file when prompted.

Step 4: Generate the New FGB Key
Place the FGB57 PCB in the KD-MAX induction area.
Select [KD-FGB Type] ’ [KD-FGB Remote].
Generate the key—once successful, you can install the PCB into the key shell and use it normally.