2026/02/11

Yanhua ACDP Copy BMW BDC3 Encrypted Key

Yanhua Mini ACDP will copy both encrypted and unencrypted BMW BDC2/BDC3/BCP keys. Here is an example of copying an encrypted G series BDC3 key using ACDP2.

 

Tools used:

Yanhua Mini ACDP2/ACDP

Module 38 license activation 

Yanhua ACDP BMW BDC2 BDC3 adapter

New original key to be programmed

 

Requirement:

To use this new feature, update your ACDP software version to latest version.

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

 

Instruction:

Disassemble the BDC3 key.
Push the interface board latch to the unlock position.
According to the positioning pins, align the positioning pins of the interface board with the positioning holes on the key.

Press down the interface board, push the PCB locking buckle towards the Lock end to lock the interface board and complete the installation.

Yanhua ACDP Copy BMW BDC3 Encrypted Key 1
Connect ACDP, BDC3 interface board with the original key properly.
And switch the DIP button to the BDC3 position.

Yanhua ACDP Copy BMW BDC3 Encrypted Key 2

Open ACDP App.
Go to BMW-FEM/BDC- IMMO/Mileage-BDC02/BDC03/BCP/LCD key (encrypted chip) ICP Copy Key function.
Select BDC03-key (square main chip/encrypted).

Yanhua ACDP Copy BMW BDC3 Encrypted Key 3

Yanhua ACDP Copy BMW BDC3 Encrypted Key 4
Read original key data.
Verify the original key info and take a screenshot to back up.
Note the backup file’s path,date, time,and VIN.
The file name must end up with the “.bin” extension.

Read key data finish.

Yanhua ACDP Copy BMW BDC3 Encrypted Key 5

Select the new key type you need to write key.
Here select Write BDC03 key (encrypted).
Replace the original car key with new BDC3 key.
Connect new BDC3 key with BDC3 adapter and ACDP.

Yanhua ACDP Copy BMW BDC3 Encrypted Key 6

Do not connect the original working key to avoid erasing the data of the original working key and cause the key to become invalid.
Verify new key information.
Back up new key info.

Yanhua ACDP Copy BMW BDC3 Encrypted Key 7
Upload original key data.
Verify whether it is the original key info.
Write original key data to the new BDC3 key.

Yanhua ACDP Copy BMW BDC3 Encrypted Key 8
Write key successfully.
Yanhua ACDP will save new key information automatically.

Yanhua ACDP Copy BMW BDC3 Encrypted Key 9

Done.

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