Car OBDII diagnostic tool, odometer correction tool, ECU chip tuning tool, car key programmer, OBDII software technical support center.
VAG Bosch MD1CS004 H80 Unlock, Read and write tested working fine with Magic Motorsport Flex programmer.
HW80 already supported in the new update.
open only one side of the ECU.
You have manual on the flex. You have all conections in tools.
Need to remove one component (smd resistor) while unlocking then have to put back in place.
Great News! Magic Motorsport Flex programmer update Bosch MDG1 ECU boot unlocking without RFT (mail-in unlocking).
Bosch MDG1 No RFT
Version 8.0.0.0 of Flex Out Now
As of today, you can unlock and program Bosch MDG1 control units directly in your workshop, without the RFT service.
The game has changed…
Starting today, you can unlock Bosch MDG1 ECUs directly in your workshop with Flex. No shipping. No Remote Force Team. Just complete control.
The new Boot solution for Flex supports Bosch MDG1 ECUs equipped with Aurix TC2xx microprocessor installed on VAG, BMW, Stellantis (FCA/PSA), Kia/Hyundai, and JLR vehicles, allowing you to work freely on your own, with the fastest intervention time and full operation control.
The procedure consists in unlocking in Boot mode. Once the unlock is complete, you can proceed with read and write operations in Bench, working in total autonomy, with the fastest intervention times and without the need to open the unit at every operation.
This solution is already available for the majority of Bosch MDG1 units equipped with Aurix TC2xx microprocessor.
As for models that are not supported yet, compatibility will be progressively expanded with the next updates and new accessories.
This new support is reserved to customers with Full FLS0.5M and FLS0.5S licenses.
Please note: The connection procedure to the ECU might take some minutes. The connection is established through the port E, using the FLX4.1 adapter included in the Flex kit.
Key insights
Working Mode: Boot Glitch – Bench
Memories: Read/Write/Checksum Internal Flash, Read/Write Internal EEPROM, Full Backup, Boot Unlock
License: FLS0.5M/S
Connect/Glitch Time : From 10 seconds to 25 minutes (variable)
Reading Time : ~ 2 minutes and 30 seconds
Writing Time : ~ 2 minutes
Some of the supported vehicles
For detailed models, check Flex support list on official website.
What’s the benefits of the boot unlocking instead of mail-in unlocking?
Even a Boot unlock solution would be perfect for us.
Our main issue is not Boot mode. The real problem is shipping ECUs abroad, dealing with customs clearance, and making customers wait about a week for the ECU to be sent and returned. During that time, we risk losing our customers.
Today, Magic Motorsport made a big step forward by releasing a free Boot unlock solution for several new protected Bosch MD1 ECUs, such as the MD1CS003, MD1CS004, and other protected MD1 variants that previously required a paid unlock service.
I hope Autotuner will follow the same direction by introducing a Boot unlock solution for these ECUs, and later for the MD1CS104, MD1CS001, MD1cp001 and the other ECUs that are still locked.
This would make a huge difference for workshops like ours, allowing us to work faster, avoid shipping delays, and keep our customers.
FAQs:
Q: Stellantis DUCATO MD1CS069? DOES MD1CS069 DUCATO SUPPORTED?
A: Yes, of course.
Q: Is it possible to make BMW MD1 after July 2021?
A: They are on the list. yes
Q: When is Bench unlock coming?
A: At the moment it’s not technologically possible.
Q: Did not see Md1cs104 ?
A: Not for now.
Q: Do I have to pay extra for unlocking?
A: No, but device should be in a subscription.
Q: Unlock MB MD1CP001?
A: Not for now, upcoming.
Q: Only for Full sw Pack or for all ?
I have obd / Bench only can i use this ? Per Need Full felx ?
A: The unlock is via Boot, you need the full pack.
Q: All md1cs003 psa write available ?
A: Yes! with TC298 micro
Q: Unlocking only in boot or also bench ?
A: Boot Glitch unlocking is necessary, after that you can bench work!
Q: Will the unlock support another tuning companies like bm3/mg/mhd?
A: Flex does not put any protections to BENCH UNLOCK procedure. It will work on bench mode in any tool with bench protocol for old fashion not locked MDG1. Their goal is to change the game. No more shipping!
Q: boot mg1cs201 for bench unlock?
A: Yes, it works.
Q: MG1CS163 H80 support??
A: Yes.
THINKCAR (parent brand of MUCAR) offers capable 8-inch bidirectional OBD2 diagnostic tablets aimed at DIY enthusiasts, independent mechanics, and small shops. The ThinkScan 689BT, MUCAR 892BT, and MUCAR VO8 share core professional features like full-system diagnostics, bi-directional controls, ECU coding, and lifetime free updates, but differ in hardware priorities, software extras, accessories, and target use cases.
Here comes a table comparison of ThinkScan 689BT, Mucar 892BT and Mucar VO8 diagnostic scanners.
| Parameter | |||
|---|---|---|---|
| Android OS | 10.0 | 10.0 | 8.0 |
| Screen | 8.0″ touch screen | 8.0″ touch screen | 8.0″ touch screen |
| RAM / ROM | 4G / 64G | 4G / 64G | 2G / 64G |
| Battery | 4150 mAh / 3.8 V | 4150 mAh / 3.8 V | 9450 mAh / 3.8 V |
| CPU | Cortex-A53, 4 cores @ 2.0 GHz | Cortex-A53, 4 cores @ 2.0 GHz | Cortex-A53, 4 cores @ 1.5 GHz |
| Camera | No | No | 8MP rear |
| Accessories | — | — | 10 OBD I Connectors |
| Custom Background | Yes | Yes | No |
| Supported protocols | CAN-FD DoIP ISO 14230-4 (KWP2000) ISO 15765-4 (CAN) ISO 9141-2 (ISO) ISO 14229 (UDS) SAE J1850 (VPW&PWM) | CAN-FD DoIP ISO 14230-4 (KWP2000) ISO 15765-4 (CAN) ISO 9141-2 (ISO) ISO 14229 (UDS) SAE J1850 (VPW&PWM) | ISO 14230-4 (KWP2000) ISO 15765-4 (CAN) ISO 9141-2 (ISO) ISO 14229 (UDS) SAE J1850 (VPW&PWM) |
| Free lifetime software updates | Yes | Yes | Yes |
| ECU Coding | Yes | Yes | Yes |
| AI Diagnosis | No | Yes (MUAI) | No |
| Bi-Directional Test | Yes | Yes | Yes |
| Reset Functions | 35 (+ ODO Check) | 35 (+ ODO Check) | 34 |
| VCI Placement | Bluetooth 5.0 (external VCI) | Bluetooth 5.0 (external VCI) | Bluetooth + Wi-Fi (built-in VCI) |
| Technician Community | No | Yes | No |
| APP integration | Chrome | Chrome, File Management, Gallery, Gmail, YouTube, Candy Crush Saga, Amazon Kindle, Duolingo, PDF Reader | Chrome |
| Expandable modules (purchased separately) | Universal Car Key Programmer, TPMS, Videoscope, Oscilloscope, Printer, Ble Battery Tester | TPMS, Videoscope, Oscilloscope, Printer, Ble Battery Tester | TPMS, Videoscope, Oscilloscope, Printer, Ble Battery Tester |
The ThinkScan 689BT is designed for professional use and combines a state-of-the-art hardware platform with support for modern CAN-FD and DoIP diagnostic protocols . Android 10 and a 4GB RAM/64GB ROM configuration ensure a fast interface and stable diagnostic performance.
The scanner supports ECU coding , two-way testing , lifetime software updates, and 34 service functions . The lack of a camera and additional software services makes the model more of a “working tool” without unnecessary features.
2).
The Mucar 892BT is an evolution of the 689BT and offers similar hardware: Android 10 , 4 GB RAM/64 GB ROM , and CAN-FD and DoIP support . The key differentiator is its expanded software functionality.
The scanner supports AI Diagnosis , access to the Technician Community , and an increased number of service functions— 35 (including ODO Check) . This makes the Mucar 892BT an optimal choice for service centers that value additional analytical capabilities and an expanded software ecosystem.
3).
The Mucar VO8 is significantly different in concept from the 689BT and 892BT models. Its main advantage is its capacious 9450 mAh battery , which provides significantly longer battery life.
The device is equipped with a camera , and the diagnostic module is implemented in the built-in VCI format , meaning it is integrated into the scanner body. Despite a more modest memory configuration ( 2 GB RAM / 64 GB ROM ) and Android 8 , the model retains support for ECU coding, two-way tests, and 34 service functions . The VO8 is well suited for those who value autonomy and an integrated design without an external VCI.
ThinkScan 689BT & MUCAR 892BT: Nearly identical high-performance hardware. Both use a powerful quad-core processor, 4GB RAM, and Android 10 for responsive operation, fast live data, and multitasking. They rely on an external Bluetooth VCI dongle (magnetic in some setups) for wireless freedom.
The Key Difference: AI Integration
The MUCAR 892BT distinguishes itself by incorporating AI functionality, specifically the “MU AI” intelligent assistance feature. This isn’t just a gimmick; it provides practical, time-saving benefits during real-world diagnostic work.
The Thinkcar 689BT, while an excellent tool in its own right, lacks this AI capability. Given that both tools are similarly priced—with the MUCAR 892BT currently available at a lower cost—the choice becomes clear for most users.
All three deliver:
Differentiators:
MUCAR 892BT stands out with AI-assisted diagnostics (MU AI) for root-cause analysis, repair suggestions, and troubleshooting guidance.
ThinkScan 689BT offers very similar performance and features to the 892BT, often positioned as a strong value option with excellent real-world feedback for bidirectional controls and resets.
MUCAR VO8 focuses on core reliability and legacy vehicle support, with strong basic functions and extras like the camera.
Who Should Choose Which?
Final Verdict
The ThinkScan 689BT and MUCAR 892BT are the closest and most powerful performers, with the 892BT adding AI as a notable edge for complex diagnostics. The MUCAR VO8 trades some processing power for superior battery life, integration, and accessory support—making it a solid choice for endurance and older-vehicle work.
All three represent strong value with lifetime updates and broad coverage. Real-world performance depends on your specific vehicles—check compatibility on the official THINKCAR/MUCAR site, read recent user reviews for your makes/models, and compare current pricing/deals. Consider warranty (typically 12 months) and expandable modules (e.g., TPMS, oscilloscope, videoscope) for future-proofing.
In the rapidly evolving world of automotive diagnostics, choosing the right scan tool can be overwhelming. Two prominent contenders in the mid-level market are the MUCAR 892BT and the Thinkcar Thinkscan 689BT. While they share many similarities—including being manufactured by the same parent company—there's one significant difference that sets them apart: artificial intelligence.
The MUCAR 892BT distinguishes itself by incorporating AI functionality, specifically the "MU AI" intelligent assistance feature. This isn't just a gimmick; it provides practical, time-saving benefits during real-world diagnostic work.
The Thinkcar 689BT, while an excellent tool in its own right, lacks this AI capability. Given that both tools are similarly priced—with the MUCAR 892BT currently available at a lower cost—the choice becomes clear for most users.
Both tools offer:
Similar physical design with identical button layouts and screen patterns
Compatibility with the same vehicles and diagnostic functions
Bidirectional controls for testing components
Support for add-on accessories like key programmers and oscilloscopes (with future expansion)
Free lifetime updates (as long as the company supports the product)
The 892BT's AI feature provides several practical benefits:
1. Intelligent Code Interpretation
When you pull a diagnostic trouble code (DTC), the MU AI offers detailed explanations, often including:
How the component works
Step-by-step troubleshooting walkthroughs
Failure level assessments
Component location images
Wiring diagrams
2. All-in-One Information Hub
Instead of bouncing between your laptop, phone, and the vehicle, the MUCAR allows you to:
Access Google searches directly
View AI-generated diagnostic guidance
See wiring diagrams and component locations
Watch YouTube repair videos on the tool itself
3. Time Savings
By
consolidating multiple information sources into one device, the MUCAR
eliminates the need to constantly move between the vehicle and your
computer. This efficiency translates directly to time—and money—saved.
The MUCAR 892BT demonstrates versatility across various makes and models:
Honda Odyssey (2016)
Completed a full scan in approximately 90 seconds
Identified 4 DTCs across 10 modules
Noted low battery voltage issues in the ABS module
GMC Duramax Diesel (2011)
Scanned 18 computers and found 40 DTCs
Identified fuel level sensor issues
Provided diesel-specific functions including DPF regeneration
Offered detailed wiring diagrams and sensor location images
RAM 2500 Cummins Diesel (2015)
Scanned 19 systems quickly
Provided comprehensive diesel functions including:
Stationary DPF regeneration (requires up to 80 minutes)
Gearbox relearn
Turbo actuator calibration
Transport mode settings
Mazda CX-30 (2021)
Scanned 22 modules in under 5 seconds
Minor quirk: required manual navigation to Mazda menu before auto-reading VIN
Buick Encore (2022)
Included helpful guidance for push-start vehicles (long press start button for 5-10 seconds)
Identified antenna signal circuit issues
Free Lifetime Updates
Unlike many competitors that charge expensive annual subscriptions, the MUCAR offers free software updates for life. This alone can pay for the tool over time.
Magnetic Dongle
The OBD-II connector uses a strong magnet that securely stays in place—a welcome improvement over competitors whose dongles frequently fall out.
Fast Boot Times
The MUCAR powers up quickly, saving precious seconds during each use.
Portable Design
The compact, lightweight tablet can fit in a back pocket, making it convenient for shop or mobile use.
Report Generation
Full diagnostic reports can include AI troubleshooting information, useful for documentation or customer communication.
No tool is perfect, and the MUCAR 892BT has its shortcomings:
Missing Topology View
Unlike some higher-end tools, the MUCAR doesn't display network topology—a visual representation showing which modules communicate with each other. This feature can be invaluable for diagnosing complex communication network issues.
No Built-in Flashlight
A small but practical omission. A light would help when locating the OBD port under dark dashboards.
No Camera for VIN Scanning
Manual VIN entry is still required on some vehicles, though the tool often auto-reads it once you navigate to the correct manufacturer menu.
Limited Module Programming
While the MUCAR supports some programmable module installation, it lacks comprehensive reprogramming capabilities for replacing modules with new ones that need VIN coding. This is common among mid-level tools but worth noting.
AI Not Always Perfect
The AI isn't infallible. In some cases, a simple Google search provided better information than the MU AI. It's still worth checking both sources when troubleshooting.
The MUCAR 892BT wins for most users.
Here's why:
It has AI features that genuinely assist with diagnostics, providing wiring diagrams, component locations, and troubleshooting guides on the fly.
It's currently cheaper than the Thinkcar 689BT, despite offering additional functionality.
Lifetime free updates mean you won't face expensive annual subscriptions just to keep your tool current.
Same core functionality as the Thinkcar in terms of vehicle coverage, bidirectional controls, and diagnostic capabilities.
Future-proofing —even if AI is in its early stages, updates will only improve its capabilities over time.
DIY enthusiasts who want professional-level diagnostics
Shop mechanics seeking a capable secondary or primary mid-range tool
Mobile technicians who value portability and all-in-one functionality
Diesel owners who need DPF regeneration and other specific functions
Anyone tired of subscription fees for diagnostic software
Professional shops requiring advanced module programming capabilities
Technicians who need topology views for complex network diagnostics
Users who prioritize camera-based VIN scanning
The MUCAR 892BT represents excellent value in the mid-level scan tool market. While it has room for improvement—and the AI is still evolving—it offers a compelling package of features, free updates, and practical functionality that makes it a worthy replacement for older tools, including its close cousin the Thinkcar 689BT.
As one mechanic puts it: "The more I can sit there in the driver's seat in the air conditioning of the car and diagnose that car, the better."
If you're looking for a capable, future-ready scan tool without the burden of ongoing subscription costs, the MUCAR 892BT deserves serious consideration.
