Trucks / HGV · ECU Remapping
Renault Trucks Magnum 400 (Euro 3) 400 hp Tuning (2001–)
Factory specification and Stage 1 remap gains for the Renault Trucks Magnum 400 (Euro 3) 400 hp (2001–). A Stage 1 calibration adds 85 BHP and 400 Nm — software only, no hardware modifications required.
| Measure | Original | Stage 1 | Stage 2 |
|---|---|---|---|
Power BHP | 400 | 485 +85 BHP · +21% | 495 +95 BHP · +24% |
Torque Nm | 1850 | 2250 +400 Nm · +22% | 2270 +420 Nm · +23% |
+85 BHP
Stage 1 power gain
+400 Nm
Stage 1 torque gain
Power & torque curves
Illustrative Performance Curve
Illustrative curve generated from published/estimated peak figures. This is not an individual rolling-road test. Power (BHP, solid) and torque (Nm, dashed) across engine speed (RPM); peak figures match the published database values.
Hover / touch the graph
Stock: 400 bhp · 1850 Nm (peak)
Stage 1: 485 bhp · 2250 Nm (peak)
Stage 2: 495 bhp · 2270 Nm (peak)
Tuning tool compatibility
This ECU was not found in the manufacturer compatibility databases we cross-reference.
AutoTuner
Not listed
Not found in this manufacturer's published data — ask us, coverage updates frequently.
Alientech KESS3
Not listed
Not found in this manufacturer's published data — ask us, coverage updates frequently.
Magicmotorsport FLEX
Not listed
Not found in this manufacturer's published data — ask us, coverage updates frequently.
Dimsport New Genius / New Trasdata
Not listed
Not found in this manufacturer's published data — ask us, coverage updates frequently.
Existing customers upload their ECU file via the Regal Tuning File Portal. New to Regal? Request a quote first.
20+ years of ECU calibration
Ready to unlock your Renault Trucks Magnum's real performance?
Tell us your truck and registration — we'll confirm support and the exact expected gains for your engine before any work begins.