How to Use Xhorse Audi BCM2 Adapter with VVDI Key Tool Plus NO NEED SOLDERING?

Last time, Xhorsevvdi showed you how Xhorse Audi BCM2 Adapter works with VVDI Prog+VVDI2. Today we’ll bring another working way with VVDI Key Tool Plus to read locked BCM2.


Also, check if you do need to remove BCM2:

Before operation, check if you need to remove BCM2 module:

Add Key All Keys Lost
BCM2 Data Sync Data BCM2 Data Sync Data
A4L/A5/Q5 -2013 OBD × OBD/On-bench ×
A4L/A5/Q5 2013-2019 VVDI BCM2 Adapter × VVDI BCM2 Adapter ×
A6L/A7/A8 -2013 OBD Working Key OBD/On-bench Third Party Calculation
A6L/A7/A8 2013-2019 OBD Working Key VVDI BCM2 Adapter Third Party Calculation
VVDI BCM2 adapter can work with VVDI Key Tool Plus or VVDI2+VVDI Prog


Video tutorial:  How to connect Xhorse VVDI AUDI BCM2 Adapter with KTP (KEY TOOL PLUS )Solder-free

Operation mainly includes:

Step 1. Read basic module information

Step 2. Read Immo data

Step 3. Write Immo data


Note: Make sure Key Tool Plus is connected to network and adapter is supplied 12V power.



  • Immo programming>>Audi>>Select by type>>Fifth Immobilizer System>>Start Programming

On system menu,


  • Read BCM2 Data>>Prog read – encrypted bcm2

Select vehicle type by the label on BCM2.


Here we select “

A4L/Q5 2014- key adding and all keys lost (all versions)>>Adapter method”.

Then watch “Function introduction” and “Connection diagram” carefully.



Perform “Step 1 – Identify module information”.

Finish connection by diagrams, and care

Positions of D1, D2, GND.

how-to-use-xhorse-audi-bcm2-adapter-with-vvdi-key-tool-plus-3 how-to-use-xhorse-audi-bcm2-adapter-with-vvdi-key-tool-plus-4

Click on “Read” to get basic information.



Perform “Step 2 – Read immo data”

Confirm vehicle info we just get and

Click on “Read” to get BCM2 Immo data.


Then we go on to write it back to BCM2 module.



Now we can restore BCM2 module to vehicle and generate dealer key on Fifth immo system menu.


Xhorse BCM2 Solder-free Adapter Order link :

Also, you may be interested in our Xhorse Audi Smart Key:



Xhorse BCM2 Solder-free Adapter for Audi FAQs

How to Use Xhorse Audi BCM2 Adapter with VVDI Prog + VVDI2 NO NEED SOLDERING