Volvo Trucks FM9 2007> 9.4l EUR 4 D9B 300bhp remap figures
The Volvo Trucks FM9 9.4l EUR 4 D9B 300bhp (2007>) is a diesel 9.4L model making 300bhp and 1401Nm as standard. After a Stage 1 ECU remap we expect 355bhp and 1595Nm - up to 55bhp and 194Nm more than stock.
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 | 300 bhp | 355 bhp | +55 bhp |
| Torque | 1401 Nm | 1595 Nm | +194 Nm |
All maps at a glance
| Map | Power | Torque | Expected gain, up to |
|---|---|---|---|
| Stock | 300 bhp | 1401 Nm | |
| Stage 1Maximum software-only performance | 355 bhp | 1595 Nm | +55 bhp +194 Nm |
| Stage 1 EcoPerformance with economy in mind | 341 bhp | 1579 Nm | +41 bhp +178 Nm |
| Eco mapEconomy first | 337 bhp | 1570 Nm | +37 bhp +169 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 FM9
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.
The ECU recorded for this variant is a TRW EMS2 E5. 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 Volvo Trucks FM9 9.4l EUR 4 D9B 300bhp?
We expect 355bhp and 1595Nm against 300bhp and 1401Nm as standard: up to +55bhp and +194Nm. 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 Volvo Trucks FM9 9.4l EUR 4 D9B 300bhp?
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: 341bhp and 1579Nm expected. The Eco map is economy first: 337bhp and 1570Nm. Both still sit above the standard 300bhp and 1401Nm.
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 Volvo Trucks FM9 figures
Other diesel variants
- 9.4l EUR 3 D9A 300bhp 2001>
- 9.4l EUR 5 D9B 300bhp 2010>
- 9.4l EUR 3 D9A 260bhp 2001>
- 9.4l EUR 3 D9A 340bhp 2001>
- 9.4l EUR 4 D9B 260bhp 2007>
- 9.4l EUR 4 D9B 340bhp 2007>
- 9.4l EUR 5 D9B 340bhp 2010>
- 9.4l EUR 3 D9A 360bhp 2001>
- 9.4l EUR 4 D9B 360bhp 2007>
- 9.4l EUR 5 D9B 360bhp 2010>
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