The Siemens MS41 is a widely-used engine control unit found in 3 vehicle variants across multiple manufacturers. ecufiles.io provides professionally calibrated remap files for this ECU, covering Stage 1 & Stage 2 power upgrades, DPF/EGR/AdBlue removal, pop & bang maps, and more. All files are tested, ORI-stored, and delivered via the ecufiles.io platform to verified B2B workshops.
| Make | Model | Engine | Year | Power | Software IDs |
|---|---|---|---|---|---|
| BMW | E39 | 523i | 2000 | 170hp | 38871H 38871H |
| BMW | E39 | 525i | 1997 | 170hp | 38871H 23412124D |
| BMW | E39 | 538i | 1996 | 192hp | MS41 22417108 |
Register as a B2B workshop and get access to professionally calibrated files for Siemens MS41.
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