LAUNCH X431 X-PROG3 Advanced Immobilizer & Key Programmer
Advanced IMMO & Key Programmer | ECU Cloning · EEPROM/MCU Read & Write
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Description
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Comparison
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Customer Review
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FAQ
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30-Day Return
X-PROG 3 advanced immobilizer & key programmer is a powerful chip reading device that can read/write keys to the vehicle. Compatible with X-431 series diagnostic scanners, X-PROG 3 enables Anti-theft type identification, Remote control matching, Key chip reading & matching, anti-theft password reading and anti-theft component replacement.


1. Compatible with X-431 series diagnostic scanners, X-PROG 3 enables reading/writing EEPROM, on-board MCU and CAS4+/FEM chips,
infrared keys, generating special keys, reading BMW engine INS code.
2. Supported systems: Automatic Transmission, Instrument System, CAS, Body System, Lock System, etc.
3. 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
4. Reads & writes most Engine/Gearbox ECUs without disassembling the shell
Advantages
1. Supports engine ECU replacement or cloning (Read engine ECU data directly from the key).
2. Supports MQB platform gearbox ECU replacement or cloning.
3. Supports ECU replacement for the fifth-generation of AW/0B5 gearbox.
4. Supports reading, writing & cloning the ECU for the fourth-generation of UDS engine.
5. Supports E chassis 8HP gearbox ECU reprogramming to empty.
6. Works with reprogramming device to backup/restore programming data (For engine ECU).
Core Functions
1. Integrated the functions of key matching/copy, anti-theft IC reading & writing, and ECU reading & writing, etc.
2. Supports common ECU/MCU/EEPROM major manufacturers, with over 1200 product models, and constantly updating.
3. Supports ECU replacement for all lost without disassembly for non-35XX instrument (it can be read directly through independentharness without removing the IC).
4. Supports ECU replacement for the fourth-generation of engine;
5. Supports ECU replacement for the fifth-generation of engine.
6. Supports the all lost and replacement for the fourth generation of EZS, comfortable ECU, and KESSY IC.
7. Supports the F and G chassis 8HP gearbox ECU reprogramming to empty.
8. Supports the CAS4/CAS4+ module replacement.
9. Supports the ECU cloning and replacement for engines.
10. Erase the password for engine and gearbox within 3S.
11. Add the function of calculating the password for the key within 1 minute.




This LAUNCH X431 XPROG 3 immobiliser is very good,I’m running it on a Launch x431 V 4.0. I programmed a key for a 2012 Tiguan gen4 successfully . Works great.
This is a very good tool complements my scanner. I’ve been able to do ECU cloning and immobilizer work recommended tool
1. What is the LAUNCH X431 X-PROG3 used for?
X-PROG3 is an advanced immobilizer, chip-data and module programming accessory designed to work with compatible LAUNCH X431 diagnostic scanners.
2. Can X-PROG3 work as a standalone device?
No. X-PROG3 is designed as an expansion accessory and requires a compatible LAUNCH X431 host device.
3. Which LAUNCH scanners are compatible with X-PROG3?
The current product page lists compatibility with models including X431 PRO5, PAD VII, PAD V and supported PRO-series devices. Compatibility should be confirmed before purchase because host support varies by model and software version.
4. What types of data can X-PROG3 read and write?
It supports reading and writing supported EEPROM, MCU, key-chip and selected ECU / TCU data.
5. Does X-PROG3 support key and immobilizer functions?
Yes. Supported functions include key-chip operations, remote matching, immobilizer-related procedures and supported anti-theft component replacement.
6. Can X-PROG3 assist with ECU replacement or cloning?
On supported applications, X-PROG3 can assist with ECU data reading, backup, replacement or cloning workflows. Exact capability depends on ECU type and vehicle.
7. Does X-PROG3 support BMW CAS4+ and FEM operations?
The current product page lists support for CAS4+ / FEM chip operations and selected BMW-related data functions.
8. What information should I provide to confirm compatibility?
Send the host scanner model, vehicle make, model, year, VIN, module type and the exact operation you need before ordering.
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Buy with confidence knowing you are receiving genuine LAUNCH products, not cloned or unauthorized devices.
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Genuine LAUNCH diagnostic tools support official diagnostic software and vehicle coverage updates.
Eligible devices include a free software update period depending on the model purchased.
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Our team will assist you throughout the after-sales process when support is required.
Professional Technical Support
Not sure whether a diagnostic tool supports your vehicle or required function?
Our support team can assist with:
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Purchasing from an authorized distributor helps ensure access to genuine products, official software support and reliable after-sales service.
What You Get with Genuine LAUNCH Products
Genuine Product Identity
Genuine LAUNCH products come with official product identification and supported serial numbers for eligible device registration and activation.
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Use genuine LAUNCH diagnostic software with supported vehicle coverage and diagnostic functions.
Software Update Support
Eligible devices include free software updates for a specified period depending on the product model.
After the included update period ends, available renewal options may vary by device.
Warranty & After-Sales Support
Receive warranty and technical assistance for eligible LAUNCH products purchased through our authorized sales channel.
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United States customers: LaunchX431online
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United Kingdom customers: uk.launchx431online
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European Union customers: eu.launchX431online
Please note that shipping fees may apply if an order is placed on a website that does not match the customer’s shipping region.
| Region | Shipping Location | Estimated Delivery Time |
| United States | PERTH AMBOY, NJ | 3–5 business days |
| United Kingdom | Dunstable | 3–5 business days |
| European | Ginsheim-Gustavsburg, Frankfurt | 3–7 business days |
| Other Countries | HongKong | 7–15 business days |
Tel: +1 (657) 244-6580
Return Policy
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Launchx431online Website Valid proof of purchase, including invoices or receipts with order numbers, is provided.
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The original packaging must be intact and undamaged.
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The product must be in new condition.
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All original accessories (manuals, cables, promotional gifts, etc.) must be included.
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Product labels, serial numbers, and water damage seals must show no signs of tampering or alteration.
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We provide free return shipping labels for RMA returns—one package per label. Please ensure the correct label is placed on the corresponding box by referring to the shipping weight printed on each label. Each shipping label is intended for one-time use on a single package.
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Securely package your return items in the original packaging and shipping box to prevent damage during transportation.
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Include all parts, accessories, and documentation in the package.
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Ship the unit within 30 days of receiving our RMA Label.
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If the return is due to a product issue (e.g., damage, defect, malfunction, or wrong item received), don't hesitate to get in touch with us at service@launchx431online.com. We will cover the return shipping costs.
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If the return is due to personal preference (e.g., dissatisfaction or change of mind), you may request a refund or exchange, but you will be responsible for the return shipping costs.
