Variant 1
ECU- Catalog engine
- 2000 16V HPI 140HP
- Controller brand
- SIEMENS
- ECU
- SIRIUS81
- Stock power
- 140 HP
CITROEN · SIRIUS81 ECU · petrol
CITROEN C5 SIRIUS81 tuning files
The CITROEN C5 on the SIRIUS81, mapped from stock file to finished result. Across the matched variants stock power runs from 140 to 140 HP. Petrol calibration here is about crisp response and a result that holds up day to day. Your file is built against the exact ECU software on the car, then operator-verified.
Available solutions
What we can run on the SIRIUS81 for this petrol — the precise options narrow down by engine and software version.
Engine variants & ECU software
1 distinct variant for the CITROEN C5 on the SIRIUS81 ECU. Reference the engine and controller software when you upload.
Related vehicles
Other vehicles built on the SIRIUS81 controller or the same engine — handy when a platform spans several models and makes.
Questions, answered.
Which tuning solutions are available for the CITROEN C5 on the SIRIUS81?
Stage 1, Stage 2, Swirl Flaps Off, Lambda / O2, OPF/GPF Off. The exact set depends on the specific engine and software version.
Do you cover the SIRIUS81 ECU software on this model?
Yes — the CITROEN C5 on the SIRIUS81 ECU is part of the catalog. Upload your original file and it is matched to the right calibration before any work is done.
How is the file delivered?
Through the TuningBay workflow with operator validation and one safe, sensible result per job. Files we deliver, we stand behind.