Wednesday, 5 November 2025

KEYDIY KD-MAX: Add BMW BDC3 Key Only 3 Minutes!

 In this guide, we’ll demonstrate how to add a KD FGB57 remote to an original BMW BDC3 key using KEYDIY KD-MAX Remote Generator. Only three minutes!

What do you need:

  • Original BMW BDC03 key
  • Dedicated unlocking cable
  • BDC03 specific solder-free dismantling clip
  • KEYDIY KD-MAX
  • KEYDIY KD FGB57 slave unit

KEYDIY KD-MAX Add BMW BDC3 Key

How to do:

Step 1: Power on KD-MAX key programmer

Step 2: Select corresponding function

Select Remote Functions-> Smart Key Clone-> BMW BDC3 Key Clone


KEYDIY KD-MAX Add BMW BDC3 Key
KEYDIY KD-MAX Add BMW BDC3 Key

Step 3: Connect device

Select "Connection diagram"

Attach the BDC3 solder-free adapter clip correctly


KEYDIY KD-MAX Add BMW BDC3 Key
KEYDIY KD-MAX Add BMW BDC3 Key
KEYDIY KD-MAX Add BMW BDC3 Key

Take apart the original car key. Then, use the provided clip to hold the key’s circuit board firmly in place.

Then, connect the assembly to KD-MAX


KEYDIY KD-MAX Add BMW BDC3 Key
KEYDIY KD-MAX Add BMW BDC3 Key

Step 4: Read chip data

Select "BMW BDC3 Key Clone" again

Select "Read Chip Data" process and "Start execution"


KEYDIY KD-MAX Add BMW BDC3 Key
KEYDIY KD-MAX Add BMW BDC3 Key
KEYDIY KD-MAX Add BMW BDC3 Key

Save the chip data

Step 5: Generate remote

Once the chip data is saved successfully, place the KD FGB57 Remote PCB on the induction area.


KEYDIY KD-MAX Add BMW BDC3 Key

Select "KD-FGB remote" to complete the process


KEYDIY KD-MAX Add BMW BDC3 Key

Wait a while until the generation is successful.


KEYDIY KD-MAX Add BMW BDC3 Key

Done!

That’s the whole process to add new key to BMW BDC3 vehicle using KEYDIY KD-MAX Smart Key Tool with KD FGB57 Board.

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