In this guide, we demonstrate how to perform a BMW BDC2 Encrypted Key ICP Copy with YANHUA ACDP2, allowing professional locksmiths to safely and efficiently clone a BDC2 key into a new BDC3 key.
This method works through the BMW FEM BDC IMMO system and supports encrypted chip key copying without complicated soldering procedures.
Software Requirements for BMW BDC2 Encrypted Key ICP Copy
Before starting the BMW BDC2 key cloning procedure, ensure your system meets the following version requirements:
ACDP PC Software: Version 1.0.64 or higher
ACDP2 PC Software: Version 2.0.8 or higher
Android APP: Version 3.0.141 or higher
iOS APP: Version 3.6.4 or higher
Using outdated software may prevent proper BDC2 encrypted chip recognition.
Steps BMW BDC2 to BDC3 Key Cloning with Mini ACDP-2
Step 1: Disassemble the Original BMW BDC2 Key
Open the original key and confirm it is a BDC2 encrypted chip type.
Connect the ACDP device with the BDC2/3 interface board and switch the DIP button to the BDC2 side.
Step 2: Read BMW BDC2 Original Key Data
Open the ACDP App and navigate to:
BMW → FEM/BDC → IMMO/Mileage →
BDC02 / BDC03 / BCP / LCD KEY (Encrypted Chip) ICP Copy Key →
BDC02-Key (Square Main Chip)
Select Read Original Key Data and save the file with the “.bin” extension.
Important:
Record the file path, VIN, key ID, date, and time for backup verification.
Step 3: Write Data to the New BDC3 Key
Disassemble the new key and confirm the chip type (BDC3 in this example).
Replace the BDC2 key with the BDC3 key and switch the DIP button to the BDC3 side.
Select Write BDC3 Key and load the original BDC2 “.bin” file based on VIN and key ID verification.
Confirm the original key information before writing.
After completion, the BDC2 key data has been successfully copied to the BDC3 key.
Step 4: Reassemble and Test
Reassemble both the original BMW BDC2 key and the copied BDC3 key.
Enter the vehicle and verify that both keys operate normally.
BMW BDC2 encrypted key ICP copy is now completed successfully.
Learn how to perform BMW BDC2 encrypted key ICP copy using YANHUA Mini ACDP-2. Step-by-step BMW FEM BDC IMMO key cloning guide for BDC2 to BDC3 key programming.
