BMW 318ci 150 (E46)
ECU Tuning in Fife
BMW 318ci 150 (E46) in Fife. 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 318ci 150 (E46): standard vs remapped
Petrol engine. Indicative stage 1 figures, fully dyno tested.
Power
+18 bhp · +12%- Standard150 bhp
- Remapped168 bhp
Torque
+37 Nm · +19%- Standard190 Nm
- Remapped227 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 318ci 150 (E46) gives 150 bhp and 190 Nm. Remapped in Fife, we record 168 bhp and 227 Nm, so 18 bhp and 37 Nm more, or 12% and 19% respectively.
These are indicative figures for a petrol BMW 3 Series in good health. Your own results depend on the condition of the car.
BMW 318ci 150 (E46) remap figures
- Fuel: Petrol
- Standard power: 150 bhp, remapped: 168 bhp (+18 bhp, +12%)
- Standard torque: 190 Nm, remapped: 227 Nm (+37 Nm, +19%)
- Service: stage 1 ECU remap, fully dyno tested
How ECU tuning works on a petrol BMW 3 Series
A petrol remap re-works the engine management calibration: air-fuel ratio, ignition advance and boost where fitted. The result is more power and a more immediate throttle, delivered by software rather than hardware changes.
How the BMW 318ci 150 (E46) compares
Ranked by power gain against the other petrol 3 Series engines (26 in total), the 318ci 150 (E46) is 18th, 5 bhp below the 3 Series petrol average of 23 bhp.
Across our whole catalogue the average petrol remap adds 27 bhp and 51 Nm, so this engine's 18 bhp and 37 Nm sits below that benchmark.
Book performance tuning for your BMW 3 Series in Fife
Remap Experts Fife is part of the UK-wide Remap Experts network. We regularly work with drivers in Glenrothes, Rosyth, Methil, Kirkcaldy and Dunfermline and nearby areas of Scotland.
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 Edinburgh, Glasgow and Scotland, those neighbouring Remap Experts sites can help too.

Get a quote for your BMW 318ci 150 (E46)
Send your registration and we will confirm the exact remap, the price and the next available slot.
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