If you are a professional automotive technician handling European vehicles, you already know how crucial a reliable immobilizer tool is. For years, Launch X431 X-PROG3 was the go-to bench tool for many shops. However, with the rapid evolution of VAG and Mercedes-Benz security architectures, Launch has introduced its next-generation powerhouse: Launch X431 X-PROG5 (also known as Launch G5).
X-PROG 5 is a professional 3-in-1 IMMO device that integrates advanced key matching, universal remote programming, and complete ECU/TCU cloning.
But is it worth the upgrade from X-PROG 3? Let’s break down the massive tech leaps.
Head-to-Head Comparison: X-PROG 5 vs. X-PROG 3
| Function / Feature Description | X-431 PROG5 | X-431 X-PROG3 |
| Image | ![]() |
![]() |
| VW / Audi 3rd/4th/5th Generation Key Matching | Yes | Yes |
| VW 4th Gen Dashboard All Keys Lost Data Reading | Yes | Yes |
| Audi 5th Gen Steering Column Chip Reading/Writing | Yes | Yes |
| MED17 Engine OBD Reading | Yes | Yes |
| VW 4th Gen UDS Engine Replacement | Yes | Yes |
| VW / Audi MQB Engine / Gearbox / Steering Column Replacement | Yes | Yes |
| VW / Audi 5th Gen / MQB Gearbox FLASH/EEPROM Reading/Writing | Yes | Yes |
| VW / Audi Bosch Engine Cloning | Yes | Yes |
| VW / Audi Siemens Engine Cloning | Yes | Yes |
| Post-2014 UDS Engine Replacement (Original Engine Not Required) | Yes | Yes |
| VW MQB 5C/5D Key Matching | Yes | No |
| VW / Audi SIMOS18 Series Cloning | Yes | No |
| VW V850 Series Dashboard Data Reading & Cloning | Yes | Limited Support |
| VW RH850 Series Dashboard Data Reading & Parsing | Yes | Limited Support |
| VW MQB Mechanical/Smart Key All Keys Lost Support (Can read/write & parse Engine/Gearbox data types) | Yes | Limited Support |
| Mercedes-Benz Key Matching (FBS3) | Yes | Yes |
| Mercedes-Benz Engine / Gearbox Erasing (FBS3) | Yes | Yes |
| Mercedes-Benz Engine (FBS4) | Yes | Yes |
| Mercedes-Benz Gearbox Cloning (FBS4), 2 types of 7-Speed, FDCT, 9-Speed | Yes | Yes |
| Mercedes W164, W169, W209, W211 Password Calculation via Gateway-free Method under AKL Scenario (FBS3) | Yes | No |
| Mercedes-Benz Multiple EIS/EIS Modules Cloning | Yes | Limited Support |
| Mercedes FDCT/VGS4 NAG2/VGS NAG3 Cloning (FBS4) | Yes | No |
| Mercedes DSM (FBS4) | Yes | No |
| Mercedes Key Addition with Password Calculation (FBS3) | Yes | Yes |
| Mercedes All Keys Lost Password Calculation (FBS3) | Yes | Yes |
| BMW (CAS1, CAS2, CAS3, CAS4, FEM/BDC) | Yes | Yes |
| BMW G-Chassis Key Matching | Yes | Yes |
| BMW Engine ISN Code Reading | Yes | Limited Support |
| BMW E-Chassis 8HP Gearbox Erasing | Yes | Yes |
| BMW E-Chassis 8HP Gearbox Cloning | Yes | Yes |
| BMW FRM Repair | Yes | Yes |
| BMW F-Chassis 6HP Gearbox Erasing / Cloning | Yes | Yes |
| BMW F/G-Chassis 8HP Gearbox Cloning | Yes | Yes |
| BMW F/G-Chassis 8HP Gearbox Erasing | Yes | Yes |
| BMW Engine Replacement | Yes | Yes |
| BMW Bosch Engine Cloning | Yes | Yes |
| BMW Siemens Engine Cloning | Yes | Yes |
| Porsche 2011-2017 Key Matching | Yes | Yes |
| Porsche Front/Rear End ECU Cloning | Yes | Yes |
| Porsche Engine, Gearbox ECU Cloning | Yes | Yes |
| Porsche Battery Repair | Yes | Yes |
| Various Models of Bosch Engine Cloning | Yes | Yes |
| Various Models of Siemens Engine Cloning | Yes | Yes |
| Various Models of Gearbox Cloning | Yes | Yes |
| Various Models of DELCO/DENSO/Marelli Engine Cloning | Wide Support | Yes |
| Encrypted Chip RH850 Reading & Writing | Wide Support | Yes |
| BMS Chip Reading & Writing Function | Yes | No |
| Supports ID48/96, ID46 Key Chip Cloning Function | Yes | No |
| ECU Data Verification/Correction Function | Wide Support | Yes |
3 Game-Changing Upgrades in Launch G5
- Next-Level VAG (VW/Audi) Immobilizer & Dashboard Support
While X-PROG 3 struggle with newer Volkswagen and Audi vehicles, X-PROG 5 Programmer shines. It offers full support for advanced VW V850 and RH850 series instrument clusters. More importantly, it fully handles MQB 5C/5D key matching and advanced MQB All Keys Lost (AKL) scenarios. For engine tuning and replacement shops, G5 natively clones the complex SIMOS18 engine series—something X-PROG 3 cannot touch.
- Deep Mercedes-Benz FBS4 & Advanced FBS3 Mastery
Mercedes security is notoriously difficult. X-PROG 5 takes a massive leap forward by supporting FBS4 TCU cloning (including FDCT, VGS4 NAG2, and VGS NAG3 gearboxes) and DSM modules. For older FBS3 All Keys Lost situations (W164, W169, W209, W211), G5 features a gateway-free password calculation, cutting down bench setup times drastically.
- All-New Specialized Hardware Functions
The hardware inside G5 has been completely re-engineered. It introduces dedicated Battery Management System (BMS) chip reading/writing and independent ID48/96 and ID46 transponder chip cloning. Furthermore, reading BMW Engine ISN codes is now flawlessly stable on newer engines compared to the limited reliability of the older X-PROG 3.
Tablet Compatibility & Versatility
Launch X431 G5 works seamlessly across the entire modern Launch eco-system. It includes a built-in ECU Cloning PC Tool for computer-based operations, an IMMO PROG interface for tablets, and a standalone Key Programmer module. It is fully compatible with:
- Launch X431 Tablets: PAD VII ELITE, PAD V ELITE, PAD IX, IMMO Plus, IMMO Elite, PRO3 V+ ELITE, PRO3S+ ELITE, CRP919XBT/CRP919EBT, and more.
The Verdict:
Launch X431 X-PROG5 IMMO Programmer is not just an update. It’s a complete workflow redesign that reduces the number of devices you need to carry while unlocking high-revenue European IMMO jobs that X-PROG 3 simply blocks you from doing.


















