Flashing Tools

The tools mentioned here are able to communicate with the flashchip on the MS43, where the ECU data is stored.

The ISN area is only written in bootmode, regardless of which software used.

These tools will work for MS42 & MS43 ECUs.

• JMGarage Flasher
  • Bootmode required (open the ECU and ground a pin)
  • No checksum correction
  • Only 512 KByte read/write
  • Download old version: File:JMGarageFlasher Old.zip
  • Download new version: File:JMGarageFlasher New.zip

• Galletto 1260
  • Only ignition on needed
  • No checksum correction
  • Only 64 KByte read/write
  • Download from Google Drive

• Siemens MSS5x Flasher (Credits belong to Kim Freding)
  • Only ignition on needed
  • On-the-fly checksum correction before flashing
  • 64 KByte read/write
  • 512 KByte read/write
  • Download V1.1.2.3: File:Siemens Flash Tool v1.1.2.3.zip
  • New: To generate your own licence code, head over to https://www.ms4x.net/licence/