Alfa Romeo 147 JTD 1.9 Multijet (JTDm) 120
Engine Remapping in Bristol
Alfa Romeo 147 JTD 1.9 Multijet (JTDm) 120 in Bristol. Standard and remapped figures for this exact engine.

- Fully dyno tested remaps
- 30 day money back guarantee
- Lifetime software warranty
- UK-wide local network
Remap stats
Alfa Romeo 147 JTD 1.9 Multijet (JTDm) 120: standard vs remapped
Diesel engine. Indicative stage 1 figures, fully dyno tested.
Power
+30 bhp · +25%- Standard120 bhp
- Remapped150 bhp
Torque
+78 Nm · +37%- Standard210 Nm
- Remapped288 Nm
Tuning figures are indicative estimates, not guaranteed results. Actual results depend on the condition of the vehicle.
Prices from £130
Fully dyno tested | 30 day money back guarantee | Lifetime software warranty
Owners of the Alfa Romeo 147 JTD 1.9 Multijet (JTDm) 120 in Bristol can expect a stage 1 remap to take it from 120 to 150 bhp and from 210 to 288 Nm, an extra 30 bhp (25%) and 78 Nm (37%).
The figures above are estimates for a standard, well-maintained Alfa Romeo 147 diesel; they are not a guarantee of any particular result.
Alfa Romeo 147 JTD 1.9 Multijet (JTDm) 120: remap at a glance
- Fuel: Diesel
- Standard power: 120 bhp, remapped: 150 bhp (+30 bhp, +25%)
- Standard torque: 210 Nm, remapped: 288 Nm (+78 Nm, +37%)
- Service: stage 1 ECU remap, fully dyno tested
Diesel Alfa Romeo 147: what changes with a remap
Diesel engines respond strongly to remapping because the ECU controls injection quantity, injection timing and turbo boost pressure. Re-calibrating those maps typically brings the biggest improvement in mid-range torque, which is what you feel when overtaking or towing.
For reference, JTD and Multijet are the Fiat Group names for its common-rail diesel engines.
How the Alfa Romeo 147 JTD 1.9 Multijet (JTDm) 120 compares
Of the 5 diesel 147 engines in our data, this one comes 5th for power gain, which is 4 bhp below the 147 diesel average of 34 bhp.
Across our whole catalogue the average diesel remap adds 34 bhp and 73 Nm, so this engine's 30 bhp and 78 Nm sits below that benchmark.
Alfa Romeo 147 engine tuning in Bristol
Remap Experts Bristol is part of the UK-wide Remap Experts network. We regularly work with drivers in Keynsham, Portishead, Nailsea, Kingswood and Clifton and nearby areas of the South West.
Each remap is dyno tested before it is signed off, and is protected by a 30 day money back guarantee and a lifetime software warranty. Ask for a quote online or by phone.
If you are closer to Bath, Somerset and Gwent, those neighbouring Remap Experts sites can help too.

Ready for engine remapping on your Alfa Romeo 147 in Bristol?
Send your registration and we will confirm the exact remap, the price and the next available slot.
Included
What we can do for your Alfa Romeo 147
Stage 1 ECU remap
Add power and torque and improve driveability. Software only, tailored to your engine.
ECU repair and testing
Is your engine control unit playing up? We can arrange testing and repair, and source replacement ECUs.
DPF and EGR fault repair
Persistent DPF or EGR errors diagnosed and resolved in accordance with all current road-legal standards.
Engine carbon cleaning
Fault finding and carbon cleaning for the inside of your engine, typically completed in a couple of hours.
From quote to remapped in four steps
No jargon and no pressure. Here is exactly what happens.
- 01
Find your vehicle
Choose your make, model and engine to see the standard and remapped power and torque for your car.
- 02
Request a quote
Send your details and we contact you by SMS or call back with a quote. No obligation.
- 03
Book with your local site
Your local Remap Experts site arranges the remap and answers any questions about your car.
- 04
Remapped and dyno tested
Your remap is fully dyno tested, with a 30 day money back guarantee and a lifetime software warranty.
Everything you need to know
Plain-English guides to how remapping works, what it does and what to check first.
- 6 min read
What is ECU remapping?
The engine control unit, what a remap changes, and who it suits.
Read guide - 5 min read
The benefits of ECU remapping
More torque, better driveability and the potential for better economy.
Read guide - 6 min read
How ECU remapping works, step by step
From reading the original software to the dyno test.
Read guide