X-PROG 3 Key Programmer Launch X431 Models

SKU: 1152
49 in stock

946,00  incl. VAT

49 in stock

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The X-PROG 3 Advanced Immobilizer & Key Programmer is a powerful chip reading device capable of reading/writing keys for vehicles. Compatible with X-431 series diagnostic scanners, the X-PROG 3 enables theft protection type identification, remote control matching, key chip reading and matching, theft protection password reading, and theft protection component replacement.


1. Compatible with X-431 series diagnostic scanners and TOPDON PHOENIX PRO, X-PROG 3 enables EEPROM, on-board MCU, and BMW CAS4+/FEM chip reading/writing, Mercedes-Benz infrared key programming, special key generation, and BMW engine INS code reading.

2. Supported Brands: VW, AUDI, SKODA, SEAT, BMW, MERCEDES-BENZ, TOYOTA, etc. More models are continually being updated.

3. Supported Systems: Automatic transmission, instrument system, CAS, body system, locking system, etc.

4. Compatible with: X-431 PRO GT, X-431 PRO V4.0, X-431 PRO 3 V4.0, X-431 PRO 5, X-431 PAD III V2.0, X-431 PAD V, X-431 PAD VII

5. Reads and writes most engine/transmission ECUs without opening them.


1. Supports VW/AUDI MB vehicle engine ECU exchange or cloning (reads engine ECU data directly from the key).

2. Supports VW/AUDI MQB platform transmission ECU exchange or cloning.

3. Supports ECU replacement for the fifth-generation Audi (0AW/0B5) transmission.

4. Supports reading, writing, and cloning ECU for the fourth-generation VW UDS engine.

5. Supports reprogramming BMW 8HP transmission ECU.

6. Works with a reprogramming device for backing up/restoring programming data (for Bosch/Siemens engine ECU).

Core Functions:

1. Integrates key matching/copying, theft-proof IC reading/writing, and ECU reading/writing functions, etc.

2. Supports common ECU/MCU/EEPROM manufacturers with over 1200 product models and constant updates.

3. Supports ECU replacement for all non-35XX VW/AUDI instruments without disassembly (can be read directly via the independent harness without removing the IC).

4. Supports ECU replacement for fourth-generation VW/AUDI engines;

5. Supports ECU replacement for fifth-generation VW/AUDI Bosch and Siemens engines.

6. Supports all lost and replacement for fourth-generation AUDI EZS, comfort ECU, and KESSY IC.

7. Supports reprogramming BMW F and G chassis 8HP transmission ECU to blank.

8. Supports BMW CAS4/CAS4+ module exchange.

9. Supports cloning and replacement of control units for BMW Siemens engines.

10. Clears the password for Mercedes-Benz engine ECU and transmission within 3S.

11. Adds Mercedes-Benz key password calculation function within 1 minute.

The programming device comes with a 1-year manufacturer warranty.


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