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Stage 1 ยท Diesel

Renault Trucks Midlum 2006-2009 4.8L EUR 4 DXi5 220bhp remap figures

The Renault Trucks Midlum 4.8L EUR 4 DXi5 220bhp (2006-2009) is a diesel 4.8L model making 220bhp and 800Nm as standard. After a Stage 1 ECU remap we expect 257bhp and 907Nm - up to 37bhp and 107Nm more than stock.

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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.

StockVanguard expectedExpected gain, up to
Power220 bhp257 bhp+37 bhp
Torque800 Nm907 Nm+107 Nm

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All maps at a glance

MapPowerTorqueExpected gain, up to
Stock220 bhp800 Nm
Stage 1Maximum software-only performance257 bhp907 Nm+37 bhp
+107 Nm
Stage 1 EcoPerformance with economy in mind248 bhp898 Nm+28 bhp
+98 Nm
Eco mapEconomy first245 bhp893 Nm+25 bhp
+93 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 Midlum

On a diesel the biggest change is normally torque: the remap changes how much fuel and boost the ECU allows across the rev range, so pulling power arrives earlier and holds on longer.

The ECU recorded for this variant is a TRW EMS2. We read the ECU on your car and compare it with the software listed here before any work starts, so you know what to expect before you commit.

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 Midlum 4.8L EUR 4 DXi5 220bhp?

We expect 257bhp and 907Nm against 220bhp and 800Nm as standard: up to +37bhp and +107Nm. 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 Midlum 4.8L EUR 4 DXi5 220bhp?

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: 248bhp and 898Nm expected. The Eco map is economy first: 245bhp and 893Nm. Both still sit above the standard 220bhp and 800Nm.

Do I need to tell my insurer about a remap?

Yes. A remap is a modification, so you should declare it to your insurer.