Success! Xhorse VVDI Prog have reset/renewed BMW Key transponder PCF7953 (remote 868MHz).
And it’s confirmed by Tango key programming tool!
In detail…
Step 1: Tango reads key info
In Tango key programmer:
Read key information
Brand: BMW
Transponder: PCF 7935P
HITAG Family: HITAG-Pro
ID: xxxxxxxx
Key type: Keyless go
Immo type: Unknown
Remote: 868 MHz
VIN (1): WBAxxxxxxxxxxxxxxxxx
VIN (2): WBAxxxxxxxxxxxxxxxxx
Status: Learned
Mileage: 67268
CryptoKey: Customer (Locked)
Step 2: VVDI Prog resets protect
In VVDI-Prog:
Select chip: PCF7935 IN CIRCUIT
Wiring connection:
Src: http://blog.obdii365.com/2017/07/27/vvdi-prog-renew-bmw-pcf79xx-remotes/
Reset Protect (will erase the chip data? Yes!)
Step 3: Tango reads key info
In Tango key programmer:
Read key information
Transponder not detect
Step 4: VVDIProg read & write key data
In VVDI-Prog :
Open eeprom and EROM bin files to read and write
Step 5: Tango reads key info
In Tango:
Read key information
Brand: BMW
Transponder: PCF 7935P
HITAG Family: HITAG-Pro
ID: xxxxxxxx
Key type: Keyless go
Immo type: Unknown
Remote: 868 MHz
VIN (1): *******************
VIN (2): *******************
Status: NOT Learned
Mileage: no DATA
CryptoKey: Factory (Unlocked)
Eeprom data
Ide and Cryto Key
Test Key: OK
Done!
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