X431 X-PROG3 GIII immobilizer programmer can be used with Launch X431 IMMO Elite, X431 IMMO Plus, V+, or Pad VII to enable reading/writing EEPROM, on-board MCU, and BMW CAS4+/ FEM chips, programming Mercedes-Benz infrared keys, generating special keys, and reading BMW engine ISN code, etc. What is the difference between these Launch diagnostic scanners?
Similarities:
Support multi-language and 2 years free update.
Support same functions: Read immobilizer password, Ignition key learning, Benz BMW VAG Porsche key programming, Basic diagnostic function, Active Test (Di-directional), and Common Service reset functions
Differences:
Price: X431 IMMO Elite is the cheapest, and X431 PAD VII with X-Prog3 is the most expensive.
IMMO Plus vs. IMMO Elite:
IMMO Elite has basic diagnostics but IMMO Plus has full diagnostics.
IMMO tablets vs. X431 V+ vs. X431 PAD 7:
- IMMO tablets support Nissan B18 Immo replacement without password, Peugeot all keys lost, Citroen all keys lost/ module replacement, Independent IMMO function for each car brand, and newer vehicle immo programming (Volvo pre-2022, Toyota pre-2022), but V+ and PAD VII do not.
- Only Pad VII supports guided function and online programming.
For details, check the comparison table below.
| Item | Launch X431 IMMO Plus | Launch X431 IMMO Elite | Launch X431 V+ and X-prog3 | Launch X431 PAD VII and X-prog3 | 
| Image |  |  |  |  | 
| Price | € 1,009 | € 980 | € 1,294 | € 2,532 | 
| Language | 24 Language Supports: English, Italian, German, Japanese, Russian, French, Spanish, Portuguese, Polish, Turkish, Dutch, Greek, Hungarian, Arabic, Danish, Korean, Persian , Romanian, Serbian, Finnish, Swedish, Czech, Chinese Simplified, Chinese Traditional | 24 Language Supports: English, Italian, German, Japanese, Russian, French, Spanish, Portuguese, Polish, Turkish, Dutch, Greek, Hungarian, Arabic, Danish, Korean, Persian , Romanian, Serbian, Finnish, Swedish, Czech, Chinese Simplified, Chinese Traditional | Multi-Language: English, Italian, German, Japanese, Russian, French, Spanish, Portuguese, Polish, Dutch, Danish, Korean, Finnish, Swedish, etc | Multi-Language Supported: English, French, Spanish, German, Russian, Korean, Japanese, Portuguese, Italian, Polish, Dutch, Swedish, Chinese | 
| Update | 2 Years free update | 2 Years free update | 2 Years free update | 2 Years free update | 
| Read immobilizer password | Yes | Yes | Yes | Yes | 
| Ignition key learning | Yes | Yes | Yes | Yes | 
| Benz BMW VAG Porsche key programming | Yes | Yes | Yes | Yes | 
| ECU Gearbox TCU Cloning (IMMO Prog) | Yes | Yes | No | Yes | 
| Anti-theft password car coverage | More | More | Less | Less | 
| Nissan B18 Immo replacement without password | Yes | Yes | No | No | 
| Toyota all keys lost (pre-2022) | Yes | Yes | No | No | 
| Volvo all keys lost (-2022) | Yes | Yes | No | No | 
| Peugeot all keys lost | Yes | Yes | No | No | 
| Citroen all keys lost/ module replacement | Yes | Yes | No | No | 
| Independent IMMO function for each car brands | Yes | Yes | No | No | 
| Basic diagnostic function | Yes | Yes | Yes | Yes | 
| Active Test (Di-directional) | Yes | Yes | Yes | Yes | 
| Special function under each car brands | Yes | No, no VAG guided function, Renault special function under Diagnostic. | Yes | Yes | 
| Common Service reset functions | Yes | Yes | Yes | Yes | 
| Guided function | No | No | No | Yes | 
| Online programming | No | No | No | Yes | 
X-prog3 supports following ECU/TCU cloning function:
Launch X431 tablet requires a USB connection to clone/ replace ECU or gearbox TCU with X-prog3. As X431 V+ only can connect via Bluetooth, it cannot clone ECU/TCU with X431 G III programmer.




















