BMW 123d 204
ECU Remapping in Sussex
BMW 123d 204 in Sussex. 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 123d 204: standard vs remapped
Diesel engine. Indicative stage 1 figures, fully dyno tested.
Power
+40 bhp · +20%- Standard204 bhp
- Remapped244 bhp
Torque
+65 Nm · +16%- Standard400 Nm
- Remapped465 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
A stage 1 remap lifts the BMW 123d 204 from 204 bhp to 244 bhp, and from 400 Nm to 465 Nm of torque. That is 40 bhp (20%) more power and 65 Nm (16%) more torque from software alone, available in Sussex.
These are indicative figures for a diesel BMW 1 Series in good health. Your own results depend on the condition of the car.
BMW 123d 204 power and torque after remapping
- Fuel: Diesel
- Standard power: 204 bhp, remapped: 244 bhp (+40 bhp, +20%)
- Standard torque: 400 Nm, remapped: 465 Nm (+65 Nm, +16%)
- Service: stage 1 ECU remap, fully dyno tested
Diesel BMW 1 Series: what changes with a remap
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 123d 204 compares
Among the 5 diesel 1 Series engines we have figures for, the 123d 204 ranks 2nd for power gain, 3 bhp above the 1 Series diesel average of 37 bhp.
Across our whole catalogue the average diesel remap adds 34 bhp and 73 Nm, so this engine's 40 bhp and 65 Nm sits at or above that benchmark.
BMW 1 Series engine tuning in Sussex
Remap Experts has a dedicated Sussex site, so you deal with a local team backed by a national network. We regularly work with drivers in Lewes, Rye, Worthing, Newhaven and Horsham and nearby areas of the South East.
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 Eastbourne, Crawley and Surrey, those neighbouring Remap Experts sites can help too.
Want these figures on your BMW 123d 204?
Send your details and a specialist will confirm what is possible for your engine.
Included
What we can do for your BMW 1 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.
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