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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Yanhua ACDP BDC3/BCP ICP CopyKey Function Upgrade Guide

The ACDP BDC3/BCP ICP CopyKey function has been newly upgraded, providing users with a faster, safer, and more stable way to copy BMW BDC3/BCP keys without soldering.

Required Tools:

To perform this function, you will need the following:

ACDP2 (or ACDP1) main unit

BMW BDC3/BCP Interface Board Kit

ACDP Module 38 License

Operation Guide:

Open the ACDP2 App, and follow the path below:

[BMW] → [FEM/BDC] → [IMMO/Mileage] → [BDC3/BCP ICP CopyKey]

1. G-BCD3 (NCF2953) Key

Required Accessories:

Installation Steps:

① Locate the D1, D2, and D3 positioning points on the key.

② Carefully place the BDC3 interface board into the correct installation position.

③ Make sure the MSCL, MSDA, VBAT, and GND test points are perfectly aligned.

2. U-BCP (NCF295E) Key

Required Accessories:

Installation Steps:

1. Push the latch on the interface board to the unlock position.

2. Align the positioning pins of the interface board with the positioning holes on the key.

3. Press down the interface board gently, then push the PCB locking buckle toward the Lock end to secure it firmly.

Once installation is complete, you can proceed with key copying directly through the ACDP2 App — no soldering, no risk, and no damage to the original key or module.

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Yanhua BMW BDC3/BCP Key Copying Kit – Safe & Reliable

The Yanhua BMW BDC3/BCP Key Copying Interface Board Kit is an advanced, risk-free solution for duplicating BMW keys. Designed to work with the ACDP Module 38 License, it supports the copying of original brand-new keys for a wide range of BMW models from 2020 to 2024, with or without UWB functionality.

Module Functions:

1. Supports copying 2020–2024 BMW BDC3 keys (G chassis, manufactured in Hungary).

2. Supports copying BMW U chassis BCP keys, both with and without UWB.

Key Features:

1. Allows the use of original brand-new keys for key copying (aftermarket keys are not supported).

2. No soldering, no risk – a completely safe and efficient process.

3. No annual or per-use fees – once purchased, it’s free to use forever.

Supported Vehicle Models and Years:

1. BMW 2 Series/ 3 Series/ 4 Series/ 5 Series/ 6 Series/ 7 Series/ 8 Series /X3 /X4 /X5 /X6 /X7 /Z4 (2020–2024)

2. BMW 1 Series/ 2 Series (2021–2024) and X1 / X2 (2022–2024)

Supported key images:

Overall Connection Diagram:

ACDP-1 BMW BCP Key Copying Connection

ACDP-2 BMW BCP Key Copying Connection

ACDP-1 BMW BDC3 Key Copying Connection

ACDP-2 BMW BDC3 Key Copying Connection

Compatibility:

The interface board kit is fully compatible with both ACDP and ACDP2 devices, offering seamless integration and stable performance.

With its easy plug-and-play design, zero soldering requirement, and broad BMW coverage, the Yanhua BDC3/BCP Interface Board Kit provides a safe, efficient, and cost-effective solution for professional key programming and duplication.

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Yanhua ACDP Module 42 MB DSM (FBS4) Data Transfer Tutorial

This tutorial guides you through the step-by-step process of transferring Mercedes-Benz DSM (FBS4) data using Yanhua Mini ACDP 2 with Module 42.

Check Full Operation Video:

Open the Mini ACDP app, and confirm that the programmer is bound.

Benz >> ISM/DSM refresh >> DSM Help

Connect ACDP to the DSM model properly.

Here's taking the A0002703252 DSM as an example.

DSM(FBS4) >> Identify info

Please use the ACDP standard power adapter(voltage+ 12V, current >= 2.5A).

Please connect the ACDP with the DSM module!

Verify that the identified info of the original vehicle module is correct.

Take a screenshot and save it.

Identify info finish.

Transfer data >> Step1: Read original module data >> OK >> Continue >> Continue

Click OK, save original data.

*Please note to back up the file's path, data, time & part numbers. The file name should end with "Orig.bin".

Read chip data finished.

Disconnect from the original vehicle module, and connect another second-hand gear shift module with the same part number.

Step2: Clear donor module data >> OK >> Continue

Verify that the identified module info is correct.

Click OK, save chip data.

* The file name should end with "CLR.bin".

The programming system is about to begin, and forbidden to power off or unplug the device during operation! Click Continue.

Erase data finished.

Step3: Write data to donor module >> OK >> Continue

Confirm that the data of the second-hand module has been cleared, and click Continue.

Click OK, select original data(File name ends with "Orig.bin").

Check if the parsed data is correct.

Click OK, save chip data.

Click Continue. Transfer data finished.

Return to the previous step.

Identify info >> OK >> Continue

Verify that the info of the transferred second-hand module matches the info of the original vehicle module.

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Yanhua ACDP Module 42: MB DSM FBS4 Virgin & Data Transfer Solution

Yanhua introduces the all-new ACDP Module 42, designed specifically for Mercedes-Benz DSM (FBS4) and DSM222 (FBS4) systems. This powerful module enables seamless virgin preparation and data transfer for a range of part numbers, making it an essential tool for automotive locksmiths, technicians, and Mercedes specialists.

Key Features:

1. Supports MB DSM (FBS4) part numbers:

A0002703252, A0002703352, A0002703452

2. Supports MB DSM222 (FBS4) part numbers:

A0002704252, A0002704452, A0002704652

3. Enables quick and secure virgin and data transfer operations

4. Compatible with Continental S systems

Must Be Used with YANHUA Mini ACDP 2

To unlock the full potential of Module 42, pair it with the YANHUA Mini ACDP 2 - the compact and versatile diagnostic and programming device trusted by professionals worldwide.

Easy to Use

Follow the simple connection diagram via ACDP or ACDP-2 interfaces for fast and reliable results.

How to connect Module 42 with ACDP2?

1. MB-DSM interface board: Installation required accessories.

2. Align the interface board with the DSM module interface and install it correctly.

3. Short the jumper cap to the "CAN-R" port according to the marked position.

4. MB-DSM interface board overall connection diagram.

How to connect Module 42 with ACDP?

1. MB-DSM interface board: Installation required accessories.

2. Align the interface board with the DSM module interface and install it correctly.

3. Short the jumper cap to the "CAN-R" port according to the marked position.

4. MB-DSM interface board overall connection diagram.

Why Choose YANHUA ACDP Module 42?

Save time and effort with dedicated Mercedes-Benz support

Boost your service capabilities with the latest FBS4 technology

Trusted by technicians globally - backed by YANHUA quality

ACDP Configuration List

Upgrade your toolkit today and stay ahead in the automotive programming industry!

Learn more or purchase:

E-mail: Sales@OBD2shop.co.uk 

WhatsApp: +86 13983755934

Telephone: +86 13983755934

WeChat: +86 13983755934

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Solved: YANHUA ACDP VW Golf Cluster Black Screen & Write Error

Problem: The 2015 VW Golf cluster has gone black after using YANHUA Mini ACDP 2 to read the data. Is there a way to fix it? It won't allow write back.

Solution

1. Restore Original Data

(1) Go to: MQB48 (VDO/JCI-NEC35xx Lock) → ICP ODO → Step Mode

(2) Select Step 3: Write Data to restore the original cluster data.

2. Verify Data Integrity

(1) Check whether the original data is intact and uncorrupted.

(2) If the data is damaged or abnormal, send it to YANHUA Technical Support for correction.

Preventing Future Issues

Always back up original data before making any changes.

Ensure you are using the latest software version of your YANHUA ACDP tool.

Follow manufacturer guidelines for VW MQB platforms to avoid cluster lock-ups.

By following these steps, you can often recover a blacked-out VW Golf cluster and avoid common pitfalls when using immobilizer and odometer tools.

Need More Help?

E-mail: Sales@OBD2shop.co.uk

WhatsApp: +86 13983755934

Telephone: +86 13983755934

WeChat: +86 13983755934

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