MS43X Custom Firmware

MS43X is a custom firmware that's based on MS430069, but with several new and some extended functions.

Overview

All the basics and resources will be explained here. For a more detailed explaination check out the sub views.

Downloads

We will only link the newest version in this main article. For legacy versions check the download archive: MS43X Firmware Archive

Firmware

• E36/7 Z3-series
  • soon
• E39 5-series
  • soon
• E46 3-series
  • soon
• E53 X5-series
  • soon

Changelog

Make soure to check out the latest version.

Latest Version: MS43X0001 (January 2024)

MS43X001

• Inital release firmware

Designated Hardware Inputs & Outputs

• Secondary Air Mass Flow Sensor (SA_MAF) - manifold air pressure sensor input

Additional Features added

Make sure to check the minimum version included in the function sub page.