Launch X431 XPROG3 Key Programmer

$489.00

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TopToolOnline started with a simple idea: car professionals and enthusiasts deserve better than guesswork when choosing diagnostic tools.

We were tired of overpriced listings, outdated stock, and vague product details—so we built our own store, one that puts accuracy, service, and honesty first.

Today, we’re proud to be official partners of Autel, Launch, and TOPDON, offering only brand-new, factory-direct tools with the most up-to-date software. Whether you're a garage owner, a mobile mechanic, or a passionate DIYer, we take the time to personally check tool functions by VIN before you buy.

We speak your language—literally. Our support team covers 12+ languages including English, French, Spanish, Italian, German, Portuguese, Japanese, Arabic, Hebrew, Dutch, Polish and more. And if you ever have a question? We’re right here with direct tech support channels to the brands themselves.

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Over the years, our customers have said things like:

“It’s been a very long time since I’ve received such comprehensive customer service. Jaz and the team were incredibly helpful from start to finish. You should be commended for that.”
“They checked compatibility using my VIN and pointed me to exactly the right scanner. No guesswork, just results.”
“This is the smoothest scanner-buying experience I’ve ever had. Fast replies, honest answers, and a real sense of support.”

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We’re not just selling scanners. We’re helping pros like you do your job better, faster, and with confidence.

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We fulfill orders through regional warehouses serving the United States, the United Kingdom, Europe, and other international destinations. The warehouse used for your order depends on its delivery address.

Fulfillment Locations

Orders delivered within the United States ship from our U.S. warehouse. Orders delivered within the United Kingdom ship from our U.K. warehouse.

Customers in the European Union should place their orders through our dedicated EU store . Orders placed there ship from our warehouse in Germany and are subject to the EU store’s shipping terms.

Orders delivered to all other destinations, including Australia and Canada, ship from our Hong Kong warehouse.

If an item is unavailable at the warehouse assigned to your destination, we will contact you before dispatching it from a different location.

Processing & Transit

Orders are generally prepared for shipment within 1–3 business days, excluding weekends and public holidays. We will send a dispatch confirmation and tracking details by email once your order is on its way.

Transit times vary by destination and shipping service. Any delivery date provided at checkout is an estimate and may be affected by carrier operations or customs clearance.

Shipping Charges

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Customs & Import Charges

Shipments from Hong Kong may be subject to duties, taxes, or customs handling fees in the destination country. Unless these charges are explicitly included at checkout, they are payable by the recipient and may be collected by the carrier or customs authority before or upon delivery.

Address Changes & Support

Please review your delivery details carefully before completing your purchase. If a correction is needed, contact support@toptoolonline.com promptly with your order number. We can update an address only while the order has not yet entered the shipping process.

For return requests, please refer to our Return & Refund Policy. Do not send an item to the address on its original shipping label; we will provide the appropriate return instructions for your order.

Launch X431 X-PROG3 – Advanced Key Programming & IMMO Solution

The Launch X431 X-PROG3 is a high-performance key programming and immobilizer tool designed to work seamlessly with Launch X-431 series diagnostic scanners. Engineered for automotive professionals, it offers powerful chip reading and writing capabilities, making key matching, anti-theft component replacement, and remote control programming easier than ever.

Launch X431 XPROG3 Key Features:

Seamless Compatibility - Fully compatible with Launch X-431 series scanners, including X-431 PRO GT, PRO V4.0, PRO 3 V4.0, PRO 5, PAD III V2.0, PAD V, and PAD VII.

Advanced Chip Programming – Supports EEPROM, MCU, and CAS4+/FEM chip reading/writing, along with infrared key programming and BMW engine INS code functions.

Multi-System Support – Works with engine, transmission, instrument clusters, body control modules (BCM), immobilizer systems, and more.

ECU & Gearbox Functionality – Reads and writes engine and gearbox ECUs without disassembly, supports ECU cloning and replacement, and handles MQB platform gearbox ECU replacements.

Core Functions:

Integrated Key Programming & ECU Services – Perform key matching, anti-theft IC reading/writing, and ECU reading/writing from a single device.

Extensive Vehicle Coverage – Supports 1,200+ vehicle models from major manufacturers, with ongoing software updates.

Advanced ECU Replacement – Replace ECUs without disassembly for non-35XX instrument clusters using an independent harness.

Engine & Gearbox Programming – Includes fourth & fifth-generation engine ECU replacement, 8HP gearbox reprogramming, and AW/0B5 gearbox ECU replacement.

Fast Key & Password Functions – Erase passwords in just 3 seconds and calculate key passwords in under 1 minute.

CAS Module Replacement – Supports CAS4/CAS4+ module replacement and ECU cloning for enhanced vehicle compatibility.

Why Choose the Launch X-PROG3?

Direct Engine ECU Data Access – Read engine ECU data directly from the key, allowing for easy ECU replacement or cloning.
Reliable Performance – Supports backup and restoration of engine ECU programming data.
Continuous Software Updates – Stay ahead with regular function enhancements and expanded vehicle coverage.

Compatible Devices:

X431 V+
X431 ProS V
X431 Pro5
PAD VII
PAD III HDIII

Supported Languages:

English, Italian, German, Japanese, Russian, French, Spanish, Portuguese, Polish, Turkish, Dutch, Greek, Hungarian, Arabic, Danish, Korean, Persian, Romanian, Serbian, Swedish, Czech.

FAQs

Starting a car with the IM608 ii pro diagnostic tool is a straightforward process.

First, establish a connection between the IM608 and the vehicle's OBD-II port. Power on the IM608 and select the vehicle's make and model from the menu.

Then, access the key programming function and carefully follow the on-screen instructions provided by the tool. This typically involves inserting a new key into the ignition and following specific prompts.

Once the programming is complete, test the newly programmed key to ensure it starts the vehicle smoothly.

IM608 II Pro is equipped with XP400 Pro key programmer and MaxiFlash ECU programmer to provide complete coverage of IMMO and programming functions.

This feature allows users to update or reprogram the software within the vehicle's ECU to address issues such as performance tuning, software updates, or fixing software-related problems.

However, it's important to note that the specific capabilities and compatibility for ECU programming may vary depending on the vehicle make, model, and year.

Please sent the VIN number to support@toptoolonline.com if you wish to check the compatibility of a specific vehicle.

Yes, the Autel IM608 diagnostic tool is compatible with Mercedes-Benz vehicles. It offers comprehensive diagnostic capabilities and supports key programming, as well as various service functions, for a wide range of Mercedes-Benz models.

the Autel IM608 also supports ECU (Engine Control Unit) programming for Mercedes-Benz vehicles, allowing users to update or reprogram the software within the vehicle's ECU.

However, specific capabilities and compatibility for ECU programming may vary depending on the Mercedes-Benz model and year.

Please sent the VIN number to support@toptoolonline.com if you wish to check the compatibility of a specific vehicle.

The IM608 II Pro boasts enhanced firmware, operating on the Android 10 platform, accompanied by expanded RAM and ROM capacities. Additionally, it incorporates the latest JVCI+ VCI, enabling seamless support for CAN protocol read and write operations without requiring a password.

Moreover, it comes equipped with built-in DoIP and CAN FD protocol functionalities, eliminating the need for a converter. Notably, it features a remote expert function, excluding North America, facilitating remote assistance and troubleshooting capabilities.

The IM608 II Pro has more advanced features than the IM608 Pro. It supports Mercedes-Benz infrared key read/write, which the IM608 Pro does not support.

The Launch X431 X-PROG3 allows you to replace and clone ECUs by reading the original ECU data and then writing it to the new ECU. This can be done directly through the diagnostic tool without the need for ECU disassembly. It supports a wide range of ECU models, including engine and gearbox ECUs, and allows for the seamless transfer of ECU data, ensuring that the vehicle operates as intended after replacement.

Yes, the Launch X431 X-PROG3 supports key programming for BMW, along with many other European car brands. It is capable of reading and writing various key types, including BMW-specific infrared keys, and supports advanced key programming, immobilizer functions, and anti-theft system programming for a wide range of European vehicles.

The Launch X431 X-PROG3 can read and write several types of chips, including EEPROM, MCU (Microcontroller Units), and CAS4+/FEM chips. It also supports infrared key programming, making it versatile for various key types and immobilizer systems. This tool is suitable for working with a range of vehicle security systems and component replacements.

The Launch X431 X-PROG3 is compatible with most of the X431 series diagnostic scanners, including the X431 PRO GT, X431 PRO V4.0, X431 PRO 3 V4.0, X431 PRO 5, X431 PAD III V2.0, X431 PAD V, and X431 PAD VII. It integrates seamlessly with these devices, allowing users to perform advanced key programming and ECU-related functions.

Yes, the Launch X431 X-PROG3 supports advanced key programming and anti-theft system functionalities. It can be used to read and write key data, erase passwords, and program new keys for a variety of vehicles. Additionally, it allows for anti-theft component replacement and can be used for advanced security system programming, ensuring that vehicles are securely rekeyed or restored to their original state.

The Launch X431 X-PROG3 stands out due to its wide compatibility with multiple X431 scanners and its support for a broad range of vehicle systems, including ECU programming, key matching, and anti-theft system functions. Unlike many other tools, it can handle ECU cloning without disassembly and provides extensive chip reading/writing capabilities for various security systems. It also offers frequent updates, ensuring compatibility with new vehicle models and technologies.

A simple solution for complex problems

Authorized seller of Autel and Launch, two leading manufacturers of professional automotive diagnostic tools and accessories.

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