BMW 123d 204
Remapping Chester
BMW 123d 204 in Chester. 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
What does a remap do for the BMW 123d 204? Our figures show power up from 204 to 244 bhp (+20%) and torque up from 400 to 465 Nm (+16%), a stage 1 result you can book in Chester.
Treat the numbers as a guide: they are stage 1 estimates for a diesel BMW 1 Series in sound condition, and individual cars differ.
BMW 123d 204: remap at a glance
- 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
What a remap does for a diesel BMW 1 Series
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.
BMW 123d 204 against other 1 Series engines
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 vehicle tuning in Chester
Drivers in Chester book through the Chester Remap Experts site, one of our local sites across the UK. We regularly work with drivers in Nantwich, Sandbach, Runcorn, Northwich and Knutsford and nearby areas of the North West.
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 Cheshire, Merseyside and Liverpool, those neighbouring Remap Experts sites can help too.
Get a quote for your BMW 123d 204
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 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