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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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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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 BMW BDC2 Keys Learning Bench Platform: All Keys Lost Solution

The YANHUA Mini ACDP2 with Module 38 can now fully handle BMW BDC2 All Keys Lost scenarios. This advanced solution, combined with the BDC2 Bench Test Platform and LF Smart Key Antenna + Remote Control Receiver, streamlines key programming for BMW vehicles without requiring module reinstallation in the car.

Why choose the BMW BDC2 Platform?

The YANHUA BMW BDC2 Keys Learning Bench Platform is a game-changer for automotive locksmiths and technicians. It simplifies key programming by allowing off-car operations, saving time and effort.

Key Features

1. It contains the BMW BDC2, and all keys have lost authorization (used with module 38).

2. Enables bench learning of BDC2 keys without reinstalling the module in the vehicle.

3. Test the key emergency function to verify ignition capability and successful key learning.

4. Supports connection of smart antennas and a remote control receiver for testing:

1) Key remote control functions;

2) Keyless entry systems.

5. Compatible with BDC2 instrument and DME module connections.

This platform is ideal for professionals seeking efficiency, accuracy, and versatility in BMW key programming.

Frequently Asked Questions (FAQs)

Q1: Can YANHUA ACDP2 perform All Keys Lost on BMW BDC2?

A: Yes! The YANHUA Mini ACDP2 + Module 38, combined with the BDC2 Bench Platform, fully supports All Keys Lost programming.

Q2: Is the BDC2 Bench Platform compatible with other devices?

A: Yes, it can connect to any device that supports this function.

Q3: How do I read the ISN (Immobilizer Security Number)?

A: You’ll need the Module 3 + B48 Bench Interface Board to read the ISN.

Q4: What if the DME module is locked?

A: The DME module is not locked in general.

Q5: If I have my bench or do this job on the car, do I need this platform?

A: For BMW BDC2 all keys lost, it needs Module 38 and the platform together.

Q6: What's the BDC2 Keys Learning Bench Platform authorization?

It's A504 allows to do BMW BDC2 all keys lost.

ACDP Configuration List (BMW BDC2 Keys Learning Bench Platform)

Enhance your workflow, save time, and deliver professional results with this must-have BMW key programming solution!

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