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Stage 1 Β· Diesel

Renault Trucks Midlum 2006-2009 4.8L EUR 4 DXi5 190bhp remap figures

The Renault Trucks Midlum 4.8L EUR 4 DXi5 190bhp (2006-2009) is a diesel 4.8L model making 190bhp and 681Nm as standard. After a Stage 1 ECU remap we expect 227bhp and 787Nm - up to 37bhp and 106Nm 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
Power190 bhp227 bhp+37 bhp
Torque681 Nm787 Nm+106 Nm

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All maps at a glance

MapPowerTorqueExpected gain, up to
Stock190 bhp681 Nm
Stage 1Maximum software-only performance227 bhp787 Nm+37 bhp
+106 Nm
Stage 1 EcoPerformance with economy in mind218 bhp779 Nm+28 bhp
+98 Nm
Eco mapEconomy first215 bhp773 Nm+25 bhp
+92 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.

This car is listed with a TRW EMS2 engine control unit. 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 190bhp?

We expect 227bhp and 787Nm against 190bhp and 681Nm as standard: up to +37bhp and +106Nm. 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 190bhp?

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: 218bhp and 779Nm expected. The Eco map is economy first: 215bhp and 773Nm. Both still sit above the standard 190bhp and 681Nm.

Do I need to tell my insurer about a remap?

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