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Welcome to the MS4X Wiki

Thanks to the massive community around the Siemens MS4 ECU generations this wiki is growing very fast.

Because of gaining more and more content, we had to start seperation of the ECU specific topics and keep common things together.

This means we seperate topics like flashing tools, tuning programs, bootmode activivation, etc. which are the same for all ECU models into own pages.

So don't be confused when common topics disappear out of the huge ECU pages and look for cross references. In addition to that we create a table of content right here below.

If you use knowledge of this site for your tuning business, please consider a small donation to support the project, thank you (Paypal: info@ms4x.net)

General:

• First Steps And Requirements
• Siemens Keyword Translation
• How To Connect
• WTF is boot mode?

ECU & TCU Tuning:

• Siemens MS42
• Siemens MS43
• Siemens MS45
• Siemens GS20

Hardware:

• Siemens MS42 Pinout
• Siemens MS43 CAN Bus
• Siemens MS43 PCB Components
• Siemens MS43 Pinout

Data Logging:

• TunerPro Data Logging
• Logger.S

Downloads:

• Flashing Tools
• Definition Files
• Firmware Files
• TunerPro MS42 Community Patchlist
• TunerPro MS43 Community Patchlist

Additional Stuff:

• 3D Printable Parts
• Electrical Connectors
• Forced Induction Upgrades
• Fuel Injector Deadtimes
• Sensor Scalings
• Siemens MS43 Retrofit MAP Sensor