Description
Launch X431 X-PROG3 V4.0 Immobilizer & Key Programmer
The Launch X431 X-PROG3 V4.0 is a professional-grade OBD2 diagnostic tool designed for automotive key programming, immobilizer matching, and ECU/MCU/EEPROM reading and writing. Compatible with the Launch X431 series, this powerful tool supports a wide range of car brands, including BMW, Mercedes-Benz, VW, Audi, and more, providing fast, accurate solutions for key programming and remote control matching. Ideal for professional technicians, locksmiths, and workshops, the X-PROG3 V4.0 delivers comprehensive functions that enhance automotive diagnostics and repair.
Key Features of Launch X431 X-PROG3 V4.0:
- Key Programming & Immobilizer Matching: Read and write EEPROM and MCU data, including advanced key matching functions, to replace lost or damaged keys for vehicles such as BMW and Mercedes-Benz.
- Advanced ECU/MCU/EEPROM Support: Supports reading, writing, and cloning for more than 1200 ECU/MCU/EEPROM models, with continuous updates for the latest vehicle systems.
- Enhanced ECU Replacement & Cloning: Compatible with advanced ECU replacement functions for VW/Audi MQB platform and BMW F/G chassis, including reprogramming of engine and gearbox ECUs.
- Mercedes-Benz & BMW Key Programming: Instant password erasure for Mercedes-Benz engines and gearboxes, along with rapid key password calculation for Mercedes-Benz in under 1 minute.
- Comprehensive Vehicle Coverage: Works with over 57 car brands and 10,000+ vehicle models worldwide, including Asian, European, American, and Australian vehicles.
- Supports OBD, EEPROM, and MCU Communication: Multiple connection methods, including OBD2 interface, chip burning socket, and ECU pin interface, for flexible diagnostics and programming.
Core Functions of Launch X431 X-PROG3:
- Key Matching and Copying: Supports key learning, copying, and programming for various brands like BMW, VW, Audi, and Mercedes-Benz.
- ECU & MCU Programming: Reads and writes ECU/MCU data, supports ECU cloning, and allows direct ECU replacement for VW/Audi and BMW models without disassembly.
- Anti-Theft IC and EEPROM Functions: Reads and writes anti-theft IC chips, EEPROM chips, and MCU, providing comprehensive anti-theft solutions for modern vehicles.
- Mercedes-Benz & BMW Custom Features: Includes specific functions such as password erasure for Mercedes-Benz ECU and key programming for BMW CAS4+/CAS4 modules.
Supported Systems & Vehicle Compatibility:
- VW/Audi MQB Platform ECU/MCU: Supports engine and gearbox ECU replacement or cloning for VW/Audi MQB platform vehicles, including the 0AW/0B5 gearbox and UDS engine.
- BMW ECU/MCU/Key Programming: Reprograms and replaces ECUs for BMW F/G chassis, including 8HP gearbox ECU and CAS4+/CAS4 modules.
- Mercedes-Benz ECU/Key Programming: Supports the fast erasure of passwords for Mercedes-Benz engines and gearboxes, along with key password calculation.
- Wide Brand Compatibility: Works on over 57 vehicle brands including BMW, Mercedes-Benz, Audi, VW, Toyota, Honda, and more.
X-PROG3 Operation Methods:
- OBD16 Connection: Directly connect to the vehicle’s OBD16 port for key matching, data reading, and writing tasks.
- EEPROM/MCU Programming: Use the chip burning socket to place the anti-theft EEPROM or MCU chip for reading and writing data, then interact with the diagnostic host.
- ECU Pin Connection: After removing the ECU, connect the ECU’s anti-theft ECU pins to the diagnostic host for easy data interaction, allowing for ECU programming and replacement.
Additional Features:
- Languages Supported: Available in 9 languages, ensuring global compatibility and accessibility for technicians.
- Seamless Integration with X431 Series: Works perfectly with X431 PRO V4.0, X431 PRO GT, X431 PAD III V2.0, and more, providing a complete diagnostic solution for advanced vehicle systems.
Why Choose Launch X431 X-PROG3 V4.0?
The Launch X431 X-PROG3 V4.0 is an indispensable tool for automotive professionals seeking comprehensive solutions for key programming, immobilizer matching, and ECU/MCU/EEPROM reprogramming. Whether you’re working with BMW, Mercedes-Benz, or VW/Audi, this tool supports a wide range of vehicles, offering high-quality performance and continuous software updates.
Perfect for locksmiths, workshops, and professional technicians, the Launch X431 X-PROG3 V4.0 is designed to make key programming, ECU diagnostics, and anti-theft solutions faster and more efficient.
Package Includes:
- 1 x Launch X431 X-PROG3 V4.0 Tool
- Cables and Accessories for ECU and Key Programming
- Comprehensive User Manual
With the Launch X431 X-PROG3 V4.0, you’re equipped to handle a wide range of key programming, immobilizer matching, and ECU/MCU reading and writing tasks—keeping your workshop on the cutting edge of automotive diagnostics and repair.










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