Launch X431 GIII X-PROG 3 Immobilizer Key Programmer
Launch X431 GIII X-PROG 3 Immobilizer Key Programmer
Software updates provided via Launch - Require compatible device.
Proffesional Tool
Supports vehicles from 1996 to 2025
1-year Warranty
127 in stock
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I’ve been using Launch tools for years, and the X-PROG 3 took my locksmith business to another level. Programming lost keys on BMW, VW, and Mercedes is now faster and more reliable. The 2-year warranty gives me peace of mind too.
Buy in a bundle and SAVE:
1 Year Extended Warranty
Extend the product warranty.
Launch X431 GIII X-PROG 3 Immobilizer Key Programmer
What's in the Box
What's in the Box
- 1 × Launch X431 X-PROG 3 Main Unit
- 1 × OBD Main Cable
- 1 × Chip Programming Socket
- 1 × MCU3 Adapter (optional for advanced Benz/ECU/TCU functions)
- 1 × USB Cable
- 1 × User Manual
- (Accessories may vary by package)
Launch X431 GII X-PROG 3 - Specifications
Launch X431 GII X-PROG 3 - Specifications
- Input Power: DC12V
- Working Current (Max): 500mA
- Power Consumption: 5W
- Operating Temperature: 0°C ~ 50°C
- Storage Temperature: -20°C ~ 70°C
- Connectivity: Works with Launch tablets via OBD, MCU, EEPROM, or Bench/Boot mode
Shipping Information
Shipping Information
All products are shipped from our U.S. warehouse.
Estimated Shipping Time:
- 2–6 business days (in 98% of cases)
- 7–9 business days (in 2% of cases)
Processing Time – the time between placing your order and when it ships:
- 1 business day (96% of orders)
- 2 business days (3% of orders)
- 3 business days (1% of orders)
Compatibility
Compatibility
- Diagnostic Tablets Supported: X431 V, V+, PROS, PRO3S+, PAD V, PAD VII, IMMO PAD, IMMO PRO, IMMO Plus, IMMO Elite, X-DIAG Pro3, etc.
- Vehicle Brands (partial list): VW, Audi, Skoda, Seat, BMW, Mercedes-Benz, Mini, Porsche, Land Rover, Ford, GM, Chrysler, Peugeot, Renault, Toyota, Nissan, Honda, Hyundai, Kia, Volvo, Jaguar, Maserati, Alfa Romeo, and more.
- ECU/EEPROM Brands Supported: Bosch, Siemens, Delphi, Denso, Magneti Marelli, Infineon, Motorola, ST, Fujitsu, Microchip, Winbond, Atmel, and others.
Key Features
- Advanced key programming and immobilizer functions
- Supports MQB platform (VW/Audi/Skoda/Seat)
- All-in-one key programmer – read/write most engine & gearbox ECUs without opening shell
- EEPROM & MCU read/write for major brands
- Supports Benz, BMW, VW/Audi all-keys-lost solutions
- Password calculation & ECU/TCU reprogramming
- Continuous software updates with new models supported
Functionalities
- Anti-theft type identification
- Remote control matching
- Key chip reading, writing, and matching
- All-keys-lost solutions for VW/Audi/BMW/MercedesInstrument cluster replacement & cloning (MQB, NEC, VDO)
- ECU read/write via OBD, Boot, or Bench modes
- Transmission ECU data read/write
- Key simulator (via adapter)
- Password reading for immobilizer systems
Advanced / Special Functions
- BMW CAS4+/FEM programming & ECU ISN reading
- Mercedes-Benz infrared key read/write
- Erase password for Benz ECU/TCU in 3 seconds
- Calculate Benz key password within 1 minute
- Supports BMW F/G chassis 8HP gearbox ECU reprogramming
- Supports VW/Audi 4th & 5th generation ECU/immobilizer replacement
- Supports ECU/TCU cloning (with high-end Launch tablets: PAD V, PAD VII, PRO5, IMMO Plus, etc.)
ALL SYSTEMS
ECU/MCU/EEPROM
Automatic Transmission
Instrument
Body System
Lock/Immo
CAS(Car Acces System)
43+ Reset Functions
ECU Reset
Gear
IMMO Keys
MORE...
Supports 96% of the vehicles
99% ECU Compatibility
99%
Passenger Cars
95%
SUVs
99%
Light Trucks
99%
Luxury Vehicles (BMW, Benz, Porsche etc.)
Frequantly Asked Questions
Can the X-PROG 3 work alone?
Can the X-PROG 3 work alone?
No. It must be paired with a Launch X431 diagnostic tablet.
Does it support MQB key programming?
Does it support MQB key programming?
Yes. Supports MQB NEC35XX key learning, all keys lost, and instrument replacement.
Can I use it for ECU cloning?
Can I use it for ECU cloning?
Yes, with high-end Launch tablets (PAD V, PAD VII, PRO5, IMMO Plus, etc.).
Does it support BMW CAS4+ and FEM systems?
Does it support BMW CAS4+ and FEM systems?
Yes, including key programming and ECU ISN reading.