Renault Trucks Magnum 2001-2005 12.1l EUR 3 AE 440bhp remap figures
Thinking of remapping a Renault Trucks Magnum 12.1l EUR 3 AE 440bhp? The standard car makes 440bhp and 2050Nm; with a Stage 1 remap from our Leicester workshop we expect around 505bhp and 2326Nm, up to +65bhp and +276Nm.
Choose your map
Stage 1 remap figures
A Stage 1 remap is a software-only change to the ECU on an otherwise standard car. It needs no extra parts, which makes it the usual starting point.
| Stock | Vanguard expected | Expected gain, up to | |
|---|---|---|---|
| Power | 440 bhp | 505 bhp | +65 bhp |
| Torque | 2050 Nm | 2326 Nm | +276 Nm |
All maps at a glance
| Map | Power | Torque | Expected gain, up to |
|---|---|---|---|
| Stock | 440 bhp | 2050 Nm | |
| Stage 1Maximum software-only performance | 505 bhp | 2326 Nm | +65 bhp +276 Nm |
| Stage 1 EcoPerformance with economy in mind | 489 bhp | 2304 Nm | +49 bhp +254 Nm |
| Eco mapEconomy first | 484 bhp | 2290 Nm | +44 bhp +240 Nm |
Who is the Stage 1 map for?
- Drivers who want stronger pulling power for overtaking, hills and towing, with no parts to fit.
- Daily and motorway drivers who want the engine to feel less strained at cruising speed.
- Anyone who wants the biggest software-only change we list for this engine.
What this means for your Magnum
Diesel remaps work mainly on boost pressure, fuel delivery and torque limiters, which is why the Nm gain is usually the figure you feel in everyday driving, particularly when overtaking or towing.
This car is listed with a TRW EMS2 DXI engine control unit. Older engine management is simpler to work with, but age matters: worn sensors, leaks and tired components can hold back what a remap delivers, which is why we run a diagnostic check first.
We remap at our Belgrave Gate workshop in Leicester, or at your home or work within 30 miles, and every job starts with a diagnostic check.
Please note: these are expected figures, not guarantees. Real results vary with the condition of the vehicle, the ECU software version, fuel quality and the hardware fitted. Some options - including Stage 2 and anything that needs extra hardware - are for off-road or competition use only. We check every vehicle first and confirm what is achievable before any work starts.
Figures reviewed 22 October 2026.
Stage 1 questions
How much power does the Stage 1 map give the Renault Trucks Magnum 12.1l EUR 3 AE 440bhp?
We expect 505bhp and 2326Nm against 440bhp and 2050Nm as standard: up to +65bhp and +276Nm. These are expected figures, and we confirm what is achievable on your own car after a diagnostic check.
Does a Stage 1 remap need any extra parts on the Renault Trucks Magnum 12.1l EUR 3 AE 440bhp?
No. Stage 1 is a software-only change to the ECU on an otherwise standard car.
Is there a gentler map than Stage 1 for this engine?
Yes, two. Stage 1 Eco is performance with economy in mind: 489bhp and 2304Nm expected. The Eco map is economy first: 484bhp and 2290Nm. Both still sit above the standard 440bhp and 2050Nm.
Do I need to tell my insurer about a remap?
Yes. A remap is a modification, so you should declare it to your insurer.
More Renault Trucks Magnum figures
Other diesel variants
- 12.1l EUR 3 AE DXi12 440bhp 2005-2006
- 12.8l EUR 5 DXi13 440bhp 2009-2013
- 12.8l EUR 4 AE DXi13 460bhp 2006-2009
- 12.1l EUR 3 AE 400bhp 2001-2005
- 12.1l EUR 3 AE 480bhp 2001-2005
- 12.1l EUR 3 AE DXi12 400bhp 2005-2006
- 12.1l EUR 3 AE DXi12 480bhp 2005-2006
- 12.8l EUR 5 DXi13 480bhp 2009-2013
- 12.8l EUR 4 AE DXi13 500bhp 2006-2009
- 12.8l EUR 5 DXi13 520bhp 2009-2013
All diesel Magnum variants · Magnum 2001-2013 overview · All Renault Trucks figures