BMW 318ci 143 (E46)
Chip Tuning Crawley
BMW 318ci 143 (E46) in Crawley. 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 143 (E46): standard vs remapped
Petrol engine. Indicative stage 1 figures, fully dyno tested.
Power
+20 bhp · +14%- Standard143 bhp
- Remapped163 bhp
Torque
+35 Nm · +18%- Standard200 Nm
- Remapped235 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
The BMW 318ci 143 (E46) produces 143 bhp and 200 Nm of torque as standard. After a stage 1 ECU remap in Crawley, our figures show 163 bhp and 235 Nm: a gain of 20 bhp (14%) and 35 Nm (18%).
Treat the numbers as a guide: they are stage 1 estimates for a petrol BMW 3 Series in sound condition, and individual cars differ.
BMW 318ci 143 (E46) power and torque after remapping
- Fuel: Petrol
- Standard power: 143 bhp, remapped: 163 bhp (+20 bhp, +14%)
- Standard torque: 200 Nm, remapped: 235 Nm (+35 Nm, +18%)
- Service: stage 1 ECU remap, fully dyno tested
What a remap does for 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.
BMW 318ci 143 (E46) against other 3 Series engines
Among the 26 petrol 3 Series engines we have figures for, the 318ci 143 (E46) ranks 14th for power gain, 3 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 20 bhp and 35 Nm sits below that benchmark.
BMW 3 Series ECU tuning in Crawley
Drivers in Crawley book through the Crawley Remap Experts site, one of our local sites across the UK. We regularly work with drivers in Sevenoaks, Tonbridge, Swanley, Sidcup and Ortington and nearby areas of the South East.
Every remap is fully dyno tested and comes with a 30 day money back guarantee and a lifetime software warranty. Call 0800 779 7864 for a quote.
If you are closer to Sussex, Surrey and Croydon, those neighbouring Remap Experts sites can help too.

Get a quote for your BMW 318ci 143 (E46)
Tell us about your car and we will come back with a quote by SMS or phone.
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