The Siemens/Continental Sirius81 is a widely-used engine control unit found in 1 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 |
|---|---|---|---|---|---|
| Citroen | C5 | 2.0 | 2001 | 140hp | 2L2L0A |
Register as a B2B workshop and get access to professionally calibrated files for Siemens/Continental Sirius81.
Register Free Browse All Vehicles