Xhorse VVDI2 Get ISN code from BMW CAS3+ by OBD

Here is little tutorial on getting ISN from BMW CAS3+ encrypted file with Xhorse VVDI2 BMW key programmer for all keys lost.

Tool required:

VVDI Prog or R270 programmer (Read CAS3+ encrypted file)

VVDI2 BMW with latest software version (read ISN)

Tango Key Programmer (program key)

Guide:

Open VVDI2 software, select Auto Detect

Select Key Learn tab-> File Make Key

20-1

Select CAS3+ (0L15Y,0M23S)

20-2

Click Load EEPROM dump file
20-3
upload dump read by VVDI programmer

VVDI2 will display vehicle information, VIN, KM, key cutting code etc
20-2

Select Key position: KeyID1

Click on Make Dealer Key

20-4

Select “Use try start method to start engine, no need working key or original dump file”, click on Next

Xhorse VVDI2 prompts lost all working key you will gave 64 attempts, do you want to continue, click on YES

20-5

Do you already make new key at key 1?
If already made new key (Already saved new EEPROM dump), press YES

Please use current key to start the engine, if start success press YES, else No
If cannot start engine, please take out the key and insert to programmer before press NO
Is the engine start now?

Click Yes to continue
20-6

Then VVDI2 BMW will display CAS3+ ISN, copy the ISN code

Open Tango transponder key programmer software
20-7

Select Car Model->BMW->Cars->CAS 1-3

Click on upload dump icon to load the eeprom dump
20-8

CAS3+ Detected

To decrypt data the valid key is necessary or ECU dump

Press OK

20-9

Select having a key, DME dump or DME ISN. In this situation, we select “I have DME ISN”

Tick OK

20-10

Paste the ISN got by VVDI2 here

20-11

Press OK

Program transponder with tango.
20-12

Done!

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