Yanhua ACDP2 Program BMW G Chassis BDC2 All Keys Lost on Bench

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Yanhua Mini ACDP/ACDP2 with Module 38 now can support all keys lost (AKL) programming for BMW G-Chassis BDC2 modules. Yanhua Tech has released the BMW BDC2 Keys Learning Bench Platform to perform this function on bench, no soldering required, safely and efficiently!

What are the functions of Yanhua BMW BDC2 Bench Platform?

1.Full BMW BDC2 All Keys Lost Support

Contains the BMW BDC2 all keys lost authorization (used with Module 38)

2.Bench Key Learning

Learn BDC2 keys on bench – no need to reinstall module in vehicle

3.Emergency Function Verification

Test key emergency function to confirm whether the key can turn on ignition and ensure that the key has been learned.

4.Smart Antenna Integration

Connect Smart Antennas and Remote Control Receiver to test:

Remote control functions
Keyless entry system

5.Multi-Module Connectivity

Direct interface with:

BDC2 instrument cluster
DME control unit

Highlights:

 Universal Compatibility – Works with any tool supporting BDC2.

 No Manual Wiring – Integrated interface board ensures safe, fast, and error-free operation.

 Time-Saving – Eliminates repetitive module reinstallation.

How to do all keys lost by Yanhua ACDP?

Navigate to:

BMW-> FEM/BDC-> IMMI/Mileage-> BDC2 ICP+ OBD (F/G Chassis)-> Add Key (All key lost)

First, obtain keys data

Step 1: Read coding data

Step 2: Read keys data

Step 3: Write coding data

The procedure is the same as BDC2 add key.

Then, Add key (All key lost)

Step 1: Backup coding data

Backup the engine EEPROM data using Yanhua Module 3 and B48 Interface Board

Step 2: Backup FAFP data

Step 3: Write IMMO data

Step 4: Write coding data

Step 5: Made dealer key

Turn on the ignition to do key match

Step 6: Write DME ISN

Verify the key can start the car normally

Step 7: Reset EGS EWS

Turn on the ignition, but not start the car

After completing all above steps, start the car, the key and vehicle will be normal.

Yanhua BMW BDC2 Bench Platform FAQ:

Q1: Yanhua ACDP2 support BMW BDC2 All Keys Lost now? Is it true?

A: Yes!

Requirements:

Module 38 + BDC2 Keys Learning Bench Platform

Yanhua Module 3 + B48 Interface Board (for EEPROM data backup)

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

A: Yes, it can work with other tools (except the ACDP host) that support BDC2 All Keys Lost.

Q3: How to read a locked ECU?

A: The DME module is not locked, so no special steps are needed.

Q4: Is reading ISN required?

A: No, but you must back up the engine EEPROM data (Step 1) using Yanhua Module 3 and B48 Interface Board.

This data is needed for Step 6 (Write DME ISN) and Step 7 (Reset EGS EWS).

Q5: Do I need extra modules for Step 7 (Reset EGS EWS)?

A: Only the BDC2 Keys Learning Bench Platform is required.

After programming, reinstall BDC2 in the car and reflash via OBD.

Q6: Are donor vehicle antennas necessary?

A: No.

The LF Smart Key Antenna & Remote Control Receiver are only for testing key functionality (intelligence & remote control).

If unavailable, simply reinstall BDC2 in the vehicle for testing.

Learn more:

Yanhua BMW BDC2 Keys Learning Bench Platform:

https://www.chinaobd2.com/vp-yanhua-bmw-bdc2-platform.html

Yanhua LF Smart Key Antenna + Remote Control Receiver:

https://www.chinaobd2.com/vp-lf-smart-key-antenna-remote-control-receiver.html

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