BMW 118d 134
ECU Remapping Midwales
BMW 118d 134 in Midwales. 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 118d 134: standard vs remapped
Diesel engine. Indicative stage 1 figures, fully dyno tested.
Power
+40 bhp · +30%- Standard134 bhp
- Remapped174 bhp
Torque
+75 Nm · +25%- Standard300 Nm
- Remapped375 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
Standard, the BMW 118d 134 makes 134 bhp and 300 Nm. With Remap Experts in Midwales it moves to 174 bhp and 375 Nm, which adds 40 bhp (30%) and 75 Nm (25%).
Figures are indicative stage 1 estimates for a healthy diesel BMW 1 Series; results vary with the condition of the vehicle.
BMW 118d 134 remap figures
- Fuel: Diesel
- Standard power: 134 bhp, remapped: 174 bhp (+40 bhp, +30%)
- Standard torque: 300 Nm, remapped: 375 Nm (+75 Nm, +25%)
- Service: stage 1 ECU remap, fully dyno tested
What a remap does for a diesel BMW 1 Series
Nothing is bolted on in a diesel remap. The ECU's stored maps for injection quantity, rail pressure and turbo boost are rewritten within safe limits, and because diesels make power through torque, that is where the improvement is most obvious.
BMW 118d 134 against other 1 Series engines
Of the 5 diesel 1 Series engines in our data, this one comes 1st for power gain, which is 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 75 Nm sits at or above that benchmark.
Book engine remapping for your BMW 1 Series in Midwales
Whether you live in Midwales or nearby, the Midwales Remap Experts site is your local route to a quote. We regularly work with drivers in Llanidloes, Welshpool, Newtown, Machynlleth and Llandrindod Wells and nearby areas of Wales.
You get a fully dyno tested remap, a 30 day money back guarantee and a lifetime software warranty with every job. Get your quote today on 0800 779 7864.
If you are closer to Gwent, Cardiff and Chester, those neighbouring Remap Experts sites can help too.

Get a quote for your BMW 118d 134
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