How to Use Xhorse BDC2 Adapter + Key Tool Plus for Reading?

 This guide provides step-by-step instructions for using the Xhorse BMW-G BDC2 Adapter with VVDI KEY TOOL PLUS to read BMW immobilizer (immo) data.

Step 1: Connect the Adapter

• Locate the BDC2 module in BMW G-chassis vehicles.
• Align the adapter’s 3 positioning points with the module’s pins.
• Secure the clip and ensure no misaligned pins.
• Use an anti-static wristband to prevent damage.
• Connect the BDC2 Adapter to KEY TOOL PLUS via BMW-G cable.
• Supply 12V power — white light confirms proper connection.

Step 2: Read Immobilizer Data

• Open IMMO programming in the key tool software.
• Read vehicle info → Click OK when successful.

Step 3: Pre-processing BDC2 IMMO System

• Backup the code → Save securely.
• Enter mode → Confirm to proceed.
• Read the secret key → Save BDC2 key data.
• Upgrade Programming → Follow the on-screen instructions.
• Recovery Code → Restore the module’s coding.

Step 4: Program a New Key

• Generate dealer key → Select Yes (original key) or No (load backup).
• Place a blank key in the induction coil.
• Follow prompts to complete programming.

Safety & Tips

✔ Always backup data before coding.
✔ Verify pin alignment to avoid errors.
✔ Test the new key before disconnecting.

Efficient, Reliable & Secure — Perfect for BMW key programming!

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