How to Add VW Audi Porsche 5C/5D Key with Yanhua ACDP & Module 44?

This tutorial provides a concise guide to adding a VW, Audi, or Porsche 5C/5D key using the Yanhua Mini ACDP and Module 44. Follow these streamlined steps to complete the programming process efficiently via OBD and ICP modes.

Preparation & Connection

1. OBD Connection: Plug the ACDP into the vehicle's OBD interface using the OBD cable.

2. Ignition: Turn on the ignition and ensure the instrument cluster is lit.

3. Device Binding: Open the ACDP app and confirm the programmer is successfully bound in the top right corner.

Watch Video Tutorial:

Step 1: Identify Vehicle & Key Information

1. Path: Navigate to VW > VW MQB IMMO(ODO)> MQB49 IMMO(5C/5D).

2. OBD Identify: Select OBD identify info to verify car data.

3. Documentation: Take screenshots of the key ID and quantity for your records.

4. PCF Read: Place the original key into the PCF adapter and click “PCF read key info” to verify its ID.

Note: If prompted, perform an adapter upgrade under "Special Functions> Adapter Upgrade > PCF-KEY Upgrade" before proceeding.

Step 2: ICP Data Reading & Dealer Key Preparation

1. Disassembly: Disassemble both the original and new keys to access the circuit boards.

2. Read Key Data: Connect the original key plate to the interface board and ACDP. Select ICP+OBD add key > VW 5C Magotan >Step 1: ICP read work key, and save the backup file (ensure it ends in .bin).

3. Write New Key: Replace the original key plate with the new blank key plate. Select Step 2: ICP write new key, load the previously saved .bin file, and click Make dealer key.

Step 3: Modify Key ID (Optional but Recommended)

1. Function: Go to Special Function > ICP modify key ID.

2. Adjustment: Enter the "lost" key ID found in your previous OBD screenshots.

3. Purpose: This ensures the vehicle can be programmed normally in the future. Do not modify it to the working key ID.

Step 4: OBD Key Learning

1. Restore: Reassemble the keys with batteries, turn on the ignition, and open the vehicle hood.

2. Start Learning: Select Step 3: OBD Learn key and load the original car data file.

3. Key Quantity: Enter the total number of keys to be learned (e.g., "2").

4. Induction: Place each key near the induction coil one by one as prompted.

5. Confirmation: The instrument cluster will display the learning progress (e.g., 2-2) once complete.

Final Check: Verify that both the original and new keys start the vehicle and operate all remote functions properly.

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YANHUA Mini ACDP 2 Cloning BMW BDC2 to BDC3 Encrypted Keys Tutorial

This guide provides a streamlined walkthrough for copying a BMW BDC2 encrypted key to a BDC3 key using the Yanhua Mini ACDP2 with the BDC2 Solder-free Adapter.

Required Hardware:

Main Unit: YANHUA Mini ACDP/ ACDP-2.

Adapter: BDC2 Solder-free Adapter (from BMW Interface Board Kit).

Module: YANHUA ACDP Module 38.

Prerequisites: Software Requirements

Before starting, ensure your software meets the following minimum version requirements:

Step 1: Prepare and Connect the Original Key

1. Disassemble the original BMW BDC2 car key to access the internal chip.

2. Connect the key to the ACDP BDC 2/3 Interface Board.

3. Set the DIP switch on the adapter to the “BDC2” side.

Step 2: Read and Back up Original Key Data

1. Open theACDP app and ensure your device is bound.

2. Navigate to: BMW > FEM/BDC > IMMO/Mileage > BDC02/BDC03/BCP/LCD-Key (Encrypted Chip) ICP Copy Key> BDC02-KEY(Rectangle main chip) > Read Orig-key Data.

3. Verify and Backup: Confirm the original key information, take a screenshot, and save the data as a .bin file.

Step 3: Write Data to the New Key

1. Disassemble the new key (this method supports both brand new and secondhand BDC3 keys).

2. Swap Keys: Remove the original BDC2 key from the adapter and replace it with the new BDC3 key.

3. Toggle Switch: Move the DIP button on the adapter to the “BDC3” side.

CAUTION: Do not leave the original key connected during this step, as it may cause data loss or damage.

4. Select Write BDC3-Key (Square main chip) in the app.

5. Load Data: Select the original BDC2 backup file (.bin) based on the correct VIN and Key ID.

6. Follow the prompts to finish writing the data.

Step 4: Final Assembly and Testing

1. Reassemble both the original BDC2 key and the newly copied BDC3 key.

2. Test both keys inside the vehicle to ensure remote functions and ignition work correctly.

Video guides:

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Introducing the Yanhua Btool BCP Key Cutting Kit

For BMW BCP keys, programming is usually not difficult. However, opening the key shell can be risky and time-consuming. If done improperly, it may damage the shell or the internal circuit board.

The Yanhua Btool BCP Key Cutting Kit is designed to make this process easier and safer.

Main Function

The Btool BCP Key Cutting Kit helps technicians cut the inner shell of BMW BCP keys in a controlled and standardized way. After cutting, the circuit board can be safely removed for key duplication or repair.

It greatly reduces the risk of damaging the key during disassembly.

Key Features

No soldering required

Clear-cut guide to avoid mistakes

Safe and stable fixture design

Easy shell separation with a pry tool

Professional and efficient operation

With the dedicated fixture and tools, you can complete the job quickly and safely.

Suitable For

This kit is ideal for professional automotive locksmiths who work with BMW BCP keys. It improves work efficiency and protects expensive key shells from damage.

If you are looking for a safer way to open BMW BCP keys, Btool makes it simple and reliable.

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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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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.

For more information, updates, and support, visit our website.

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