BDC3 Key ICP Copy with Yanhua ACDP for BMW

This guide explains how to perform a BMW BDC3 key (Encrypted Chip) ICP copy using the ACDP programmer and BDC3 interface board.

Before starting, make sure your software is updated to the required versions.

Software Requirements

To use this feature, upgrade your ACDP software to:

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

Step 1: Prepare the Original Key

Disassemble the BDC3 key as shown in the reference images.

Follow the instructions in the “Help” section.

Properly connect:

ACDP programmer

BDC2/BDC3 interface board

Original key

Switch the DIP button to the “BDC3” side.

Step 2: Read Original Key Data

Open the ACDP APP.

Confirm in the top right corner that the ACDP programmer is successfully bound.

Navigate to:

[BMW] → [FEM/BDC] → [IMMO/Mileage] → [BDC02/BDC03/BCP/LCD-KEY (Encrypted Chip) ICP CopyKey] → [BDC03-KEY (Square Main Chip)] → [Read Orig-key Data]

Use the ACDP standard power adapter (12V, ≥2.5A).

Click [OK] to continue.

Wait while the system reads the key data.

After reading:

Verify the original key information.

Take a screenshot for backup.

Record the file path, date, time, VIN, and key ID.

Ensure the backup file ends with “.bin”.

Confirm the reading process is complete.

Step 3: Write Data to the New BDC3 Key

Select the corresponding menu according to the new key type.

In this example, we replace the original key with a new BDC3 key.

Click:

[Write BDC03-KEY (Square Main Chip)]

Use the ACDP standard power adapter (12V, ≥2.5A).

Click [OK] to proceed.

Verify the new key information.

Record the backup file path, date, time, VIN, and key ID.

Ensure the file ends with “.bin”.

Next:

Click OK and select the original key data file.

Choose the correct file based on date, time, VIN, and key ID.

Confirm it matches the original key information.

Wait while the system writes the key data.

Once finished, the key writing process is complete.

Step 4: Final Verification

Reassemble both the original key and the new key.

Enter the vehicle.

Test both keys to ensure they function properly.

Video Guide

Watch the full operation video here:

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New Arrival: Yanhua ACDP BMW BDC2–LCD Encrypted Key Copy Kit

The Yanhua Mini ACDP BMW Encrypted Chip Key Copy Interface Board Kit is a professional solution designed for copying and writing BMW encrypted key data safely and efficiently. With a no-soldering, no-risk design, this kit significantly simplifies BMW key programming operations while minimizing the possibility of damage.

Note: This kit must be used together with the ACDP Module 38 license, and is compatible with ACDP and ACDP2 devices.

Key Features:

No soldering required – plug-and-play operation

No risk of damage to the original key or board

Supports BMW BDC2, BDC3, BCP, and LCD encrypted chip keys

Works seamlessly with Yanhua Mini ACDP / ACDP2

Designed for professional locksmiths and automotive technicians

Supported Functions

The interface board kit supports flexible key data writing across multiple BMW key types:

1. The BCD2 working key data can be written to original BDC2, BDC3, BCP, and LCD keys.

2. The BCD3 working key data can be written to original BDC2, BDC3, BCP, and LCD keys.

3. The LCD working key data can be written to the original BDC2, BDC3, BCP, and LCD keys.

4. The BCP (without UWB) working key data can be written to the original BDC2, BDC3, BCP, and LCD keys.

5. The BCP (with UWB) working key data can only be written to the original BCP (with UWB) keys.

Supported BMW Encrypted Key Types

BMW BDC2 / BDC3 Encrypted Chip Keys

The kit supports secure data copying for BMW BDC2 and BDC3 encrypted chip keys using the interface board and ACDP device.

BMW BCP Encrypted Chip Keys

Both BCP keys without UWB and BCP keys with UWB are supported, with a clear distinction to ensure correct and safe data writing.

BMW LCD Encrypted Chip Keys

Compatible with multiple generations of BMW LCD keys, including:

LCD Key (before 2015)

LCD Key (2015–2017)

LCD Key (2018 and later)

Conclusion

The Yanhua Mini ACDP BMW BDC2/BDC3/BCP/LCD Encrypted Chip Key Copy Interface Board Kit is a reliable and efficient tool for modern BMW key programming. Its no-soldering design, wide compatibility, and precise key data handling make it an essential solution for professionals working with BMW encrypted keys.

For best results, ensure the ACDP Module 38 license is activated before use.

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Nissan 07A Gearbox Replacement Using Yanhua ACDP2 and Module 43

This guide explains how to replace a Nissan 07A (RE7R01A) gearbox using Yanhua Mini ACDP2 with Module 43.

The procedure is also compatible with ACDP (first generation).

Operation Steps

1. Preparation

① Open the ACDP APP

② Confirm in the top-right corner that the ACDP programmer is successfully bound

2. Connect to the Original Gearbox

① Tap [Module] → [Nissan TCM R/W Data]

② Select RE7R01A Help

③ Carefully read the help documentation

④ Connect the ACDP to the original vehicle’s gearbox according to the wiring diagram

3. Identify Gearbox Information

① Tap [RE7R01A] → [Identify]

② Use the ACDP standard power adapter

Voltage: 12V

Current: ≥ 2.5A

③ Click [Continue]

④ Verify the identified information

⑤ Take a screenshot and save it

Identification completed successfully

4. Read MAPS Data

① Tap [Read MAPS]

② Ensure the standard power adapter is connected (12V / ≥2.5A)

③ Click [Continue]

④ Do NOT power off or disconnect during the process

⑤ Wait for data reading to complete

⑥ Click OK and save the MAPS file

Important Notes:

Back up the file path, date, time, and version number

The file name must end with MAPS.bin

Reading completed successfully

5. Connect Replacement Gearbox

① Disconnect the ACDP from the original gearbox

② Connect it to another same-version Nissan 07A gearbox

6. Write MAPS Data to Replacement Gearbox

① Tap [Write MAPS]

② Select the original vehicle’s file ending with MAPS.bin

③ Verify file information (date, time, version)

④ Click OK to continue

System process:

Connecting system…

Erasing chip data…

Writing chip data…

⑤ Once completed, click OK

Writing completed successfully

Video Guide

YouTube Short:

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