BMW DME Bench Unlock Software for GEN1 GEN2 S55 S58 B46 B48 B58 F & G Series and Toyota Supra A90 for foxflash, padflash,Kt200 User
It is for users of tools like foxflash, padflash, kt200, or any tool that can read a BMW MG1C0003 in bench. The tool will unlock the ECU so that it can be tuned via obd with MHD or Bootmod3 or other bmw tuning software. This unlock procedure costs €180-€250 to do, so it means our tool owners can offer this service.
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BMW DME Bench Unlock Software for GEN1/GEN2 S55, S58, B46, B48, B58 (F & G Series) and Toyota Supra A90
This software is designed for use with tools capable of performing a full bench read on MG1/MEV17 ECUs, including Foxflash, KT200, Padflash, and other ECU bench tools.
Compatibility and Vehicle Coverage
Supports BMW DMEs (including Dealer Patch Locked units or those manufactured between June 2019 and May 2020) across the following models:
- BMW F & G Series: M340i, M2, M3, M4, F80, F82, F83, F87, F90 M5
- Toyota Supra A90
Note: DMEs produced after 2020 cannot be unlocked via software and require a hardware unlock through FEMTO.
Why Unlock Your ECU?
Many BMW (and Toyota Supra A90) F/G series vehicles come with ECUs locked from the factory or via updates, preventing tuning through the OBD port. Popular tuning solutions like Bootmod3 or MHD require an unlocked ECU to function via OBD. This software enables tuners to provide unlocking services—typically priced around €200 per DME—by performing a bench read, applying the unlock patch, and writing the modified file back to the ECU.
V2 Updates
The updated version includes the ability to open MD1/MG1 EPROM files and automatically decipher ISN numbers for both the DME and EGS. The software provides hex addresses for verification in a hex editor—particularly useful when security ISN keys are needed for coding new modules or keys.
OBD Flashing Support
Free software is included to enable flashing via OBD using an affordable D-KCAN interface. Supported ECUs for direct OBD-II flashing include:
- N54 (MSD80/MSD81)
- N55 (MEVD17.2.x)
- N52 (MSV70/MSV80)
For the following ECUs, a bench unlock patch is required before OBD flashing is possible:
- B58 (MG1/MD1)
- S55 (MEVD17.2.x)
- B48 (MG1/MD1)
- S58 (MG1/MD1)
This capability makes remote tuning feasible—simply return the unlocked ECU to the customer and flash future tunes via OBD.
Planned Future Features
Upcoming updates may include support for VMAX, CAT, OPC, and more.
System Requirements
- Operating System: Windows 10 or Windows 11 (x64)
- Processor: Intel i3 or better
- RAM: 4 GB minimum
- Internet connection required for license validation
The software license is locked to a single PC and is non-transferable. Lifetime updates are provided free of charge. License cost is per PC.