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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Yanhua ACDP BMW G Series Display Key Clone Now Supported

We are pleased to announce an upgrade to the Yanhua Mini ACDP system: it now supports cloning for BMW G Series smart display keys. This enhancement expands your diagnostic and key programming capabilities, allowing you to serve a wider range of BMW vehicles.

Key Features of the Update:

1. New Compatibility:

Clone BMW G Series smart display keys (in addition to existing functions).

2. Required Components:

YANHUA Mini ACDP 2

Module 38 license activation

BMW BDC3/BCP Interface Board

3. How It Works:

The cloning process is performed through the BMW BDC3 menu. A dedicated display key copy option will be introduced in upcoming software releases for even more streamlined operation.

Wiring Support:

Refer to the included display key wiring diagrams for the correct setup and reliable performance.

This update reinforces Yanhua ACDP's commitment to providing advanced, user-friendly solutions for automotive locksmiths and technicians. Stay ahead in the industry with tools that keep pace with the evolving technology of vehicles.

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How to Disassemble the BMW U-Chassis BCP Key Shell

This article provides a detailed guide on how to safely disassemble a BMW U-chassis BCP key shell without causing damage. By following the steps carefully, you can remove each part of the key housing smoothly, which is especially useful for key repair, shell replacement, or internal component work.

Step 1: Remove the Silver Side Cover

First, locate the release button on the back of the key.

1. Press the release button down firmly

2. While holding it, push the silver side cover upward

3. Slide the cover outward and remove it completely

Once done, the silver side cover will come off easily.

Step 2: Remove the Key Back Cover

There are two locking clips on the back cover, located at Position 1 and Position 2.

1. Turn the key on its side and place both thumbs on Position 1

2. Push the black cap upward with your thumbs

3. When you hear a “click,” the Position 1 locking clip is released

4. Next, place both index fingers on Position 2

5. Push the cover in the opposite direction

6. When you hear another “click,” the Position 2 locking clip is released

At this point, the back cover can be removed without any damage.

Step 3: Remove the Front Cover

1. First, release the single locking clip at the bottom of the front cover

2. Then, gently peel the cover open along its edge

3. The two locking clips at the top will disengage smoothly

After this, the front cover can be removed safely.

Step 4: Remove the Logo and Button

1. To remove the side button, push it upward from the bottom using your fingers

2. Carefully take out the battery compartment

3. Pay close attention to the positive and negative polarity of the battery during removal

Step 5: Remove the Lanyard Buckle

1. Insert needle-nose pliers into the lanyard hole

2. Pry upward firmly to separate the lanyard buckle from the retaining claw

3. Remove the lanyard buckle completely

Step 6: Remove the Release Button

Before prying open the release button, take the following precaution:

1. Gently press the surface of the release button with your thumb

2. This prevents the button from popping out suddenly and avoids the internal spring from flying out

Once the locking clip is released, remove the release button smoothly.

Disassembly Complete

You have now completed the BMW BCP key shell disassembly without damaging any components.

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ACDP (PC Version) – How to Quickly Find Saved Data

This guide explains how to locate saved vehicle data files in the ACDP PC Version.

Ensure your software is up to date before proceeding.

Software Version Requirements

To use this feature, ensure your ACDP software is updated to the following versions or above:

ACDP1 PC Version: V1.0.65+

ACDP2 PC Version: V2.0.9+

1. Launch the ACDP PC application.

2. Go to [Me] → [About].

3. Confirm that your ACDP1 or ACDP2 PC version meets the required update level.

Locate Saved Vehicle Data Files

1. Click [My File].

2. The system will automatically open the UserData folder.

3. This folder contains all vehicle model data files generated during your operations.

4. Browse and select the file you need.

Watch the full tutorial here:

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ACDP Folder Export Tutorial on iOS (Version 3.6.5 and Above)

This guide will show you how to export folders from the Yanhua ACDP app on an iOS device. Before starting, make sure your ACDP app is updated to version 3.6.5 or above.

Step 1: Check Your App Version

Launch the ACDP app.

Go to [Me] → [About].

Confirm that your app version is 3.6.5 or higher.

Step 2: Open “My File”

Tap [My File].

All vehicle model folders you have worked on will appear on this page.

Locate the folder you want to export and prepare to compress it.

In this tutorial, we use the BMW folder as an example.

Step 3: Compress the Folder

Long-press the BMW folder.

Select [Zip].

A message will appear:

“A zip file has been created in the current directory: bmw.zip.”

Long-press the newly created bmw.zip file and tap [Share].

Step 4: Export Through Third-Party Software

Choose a third-party app for export.

In this example, we select WeChat.

Choose a contact and send the zipped file.

For a full demonstration, watch the video tutorial:

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ACDP Folder Export Tutorial for Android (Version 3.0.142 and Above)

This guide explains how to export vehicle model folders from the ACDP Android app.

Step 1: Preparation

Ensure your ACDP application is updated to Version 3.0.142 or above. Launch the app and navigate to the [Me] tab, then tap [About] to verify your version.

Step 2: Access Your Files

From the [Me] section, tap [My files]. You will now see a list of all vehicle model folders you have previously worked on.

Step 3: Compress the Target Folder

Locate the specific folder you wish to export (e.g., BDC2_ICP_OBD_IMMO). Tap the icon on the right side of that folder and select the [Zip] option from the menu.

You can edit the name of the compressed file if needed. Confirm by tapping [OK].

Step 4: Share and Export

Once the compressed .zip file appears in the folder list, tap the icon on its right side and choose [Share].

You can now export the file using any third-party application. This tutorial uses WeChat as an example—simply select WeChat and send the file to a contact or group.

Video Guide: 

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How to Copy BMW BDC3 ICP Keys with YANHUA Mini ACDP?

Learn how to copy BMW BDC3 ICP keys easily with the YANHUA Mini ACDP or Mini ACDP-2. This guide walks you through the process step by step.

Before You Begin - Check Your Software Version

Make sure your software is up to date before starting:

ACDP: Version 1.0.64 or higher

ACDP-2: Version 2.0.8 or higher

Android APP: Version 3.0.141 or higher

IOS APP: Version 3.6.4 or higher

You'll also need:

ACDP Module 38

BMW BDC3/BCP Key Copying Interface Board Kit

Check Operation Video:

Step 1: Identify the Key

Remove the rear cover of the key and confirm it is a BMW BDC3 key used in G-chassis models made in Hungary between 2020 and 2024.

Step 2: Read the Original Key Data

1. Connect the ACDP to the BAV-key adapter and place the original car key into the adapter.

2. Go to: BMW → FEM/BDC → IMMO/Mileage → BDC3/BCP ICP CopyKey → Special Function.

3. Select Identify key info by BAV Adapter, then save the key data.

4. Verify the key information displayed.

Step 3: Backup Original Key Data

1. Connect the original key, the BDC3 KEY-ICP Interface Board, and the ACDP.

2. Select G. BDC3(NCF2953) → Read Orig-Key Data.

3. Confirm the key details and wait for the backup to complete.

Step 4: Write Data to the New Key

1. Replace the original key with a new blank key.

2. Choose Write New-Key Data.

3. Important: Do not reconnect the original key during this step, as it may get erased.

4. Select the original key backup file (with .bin extension) and confirm the details.

5. Wait for the writing process to finish.

Step 5: Verify the Copied Key

1. Switch back to the BAV-key adapter and insert the new copied key.

2. Use Special Function → Identify key info by BAV Adapter.

3. Confirm that the new key’s information matches the original.

4. Get in the car to test the keys.

Done!

You have successfully copied a BMW BDC3 key using the YANHUA Mini ACDP.

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