BMW 318d 116 280nm (E46)
Engine Tuning in Cardiff
BMW 318d 116 280nm (E46) in Cardiff. 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
BMW 318d 116 280nm (E46): standard vs remapped
Diesel engine. Indicative stage 1 figures, fully dyno tested.
Power
+33 bhp · +28%- Standard116 bhp
- Remapped149 bhp
Torque
+75 Nm · +27%- Standard280 Nm
- Remapped355 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
Out of the box the BMW 318d 116 280nm (E46) gives 116 bhp and 280 Nm. Remapped in Cardiff, we record 149 bhp and 355 Nm, so 33 bhp and 75 Nm more, or 28% and 27% respectively.
These are indicative figures for a diesel BMW 3 Series in good health. Your own results depend on the condition of the car.
BMW 318d 116 280nm (E46) power and torque after remapping
- Fuel: Diesel
- Standard power: 116 bhp, remapped: 149 bhp (+33 bhp, +28%)
- Standard torque: 280 Nm, remapped: 355 Nm (+75 Nm, +27%)
- Service: stage 1 ECU remap, fully dyno tested
What a remap does for a diesel BMW 3 Series
On a diesel the ECU decides how much fuel is injected and how hard the turbo works. A remap adjusts those calibrations within safe limits, so the gains show up mainly as extra torque low in the rev range and smoother, more responsive pull.
How the BMW 318d 116 280nm (E46) compares
Of the 13 diesel 3 Series engines in our data, this one comes 11th for power gain, which is 4 bhp below the 3 Series diesel average of 37 bhp.
Across our whole catalogue the average diesel remap adds 34 bhp and 73 Nm, so this engine's 33 bhp and 75 Nm sits below that benchmark.
Remapping your BMW 3 Series in Cardiff
Remap Experts Cardiff is part of the UK-wide Remap Experts network. We regularly work with drivers in Pentyrch, Rumney, Riverside, Rhiwbina and Llandaff and nearby areas of Wales.
All our remaps are fully dyno tested, backed by a 30 day money back guarantee and covered by a lifetime software warranty. Request a quote online or call 0800 779 7864.
If you are closer to Gwent, Bristol and Midwales, those neighbouring Remap Experts sites can help too.

Ready for engine tuning on your BMW 3 Series in Cardiff?
Send your details and a specialist will confirm what is possible for your engine.
Included
What we can do for your BMW 3 Series
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.
Same model
Other 3 Series engines
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