BMW 725 TDs 143 (e38)
Remapping Merseyside
BMW 725 TDs 143 (e38) in Merseyside. Standard and remapped figures for this exact engine.

- Fully dyno tested remaps
- 30 day money back guarantee
- Lifetime software warranty
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Remap stats
BMW 725 TDs 143 (e38): standard vs remapped
Diesel engine. Indicative stage 1 figures, fully dyno tested.
Power
+37 bhp · +26%- Standard143 bhp
- Remapped180 bhp
Torque
+80 Nm · +29%- Standard280 Nm
- Remapped360 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 725 TDs 143 (e38) makes 143 bhp and 280 Nm. With Remap Experts in Merseyside it moves to 180 bhp and 360 Nm, which adds 37 bhp (26%) and 80 Nm (29%).
Figures are indicative stage 1 estimates for a healthy diesel BMW 7 Series; results vary with the condition of the vehicle.
BMW 725 TDs 143 (e38): remap at a glance
- Fuel: Diesel
- Standard power: 143 bhp, remapped: 180 bhp (+37 bhp, +26%)
- Standard torque: 280 Nm, remapped: 360 Nm (+80 Nm, +29%)
- Service: stage 1 ECU remap, fully dyno tested
Diesel BMW 7 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.
BMW 725 TDs 143 (e38) against other 7 Series engines
Ranked by power gain against the other diesel 7 Series engines (8 in total), the 725 TDs 143 (e38) is 2nd, exactly the 7 Series diesel average.
Across our whole catalogue the average diesel remap adds 34 bhp and 73 Nm, so this engine's 37 bhp and 80 Nm sits at or above that benchmark.
Book ECU tuning for your BMW 7 Series in Merseyside
Whether you live in Merseyside or nearby, the Merseyside Remap Experts site is your local route to a quote. We regularly work with drivers in Kirkby, Southport, Skelsmersdale, Knowsley and Halsall and nearby areas of the North West.
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 Liverpool, Warrington and Cheshire, those neighbouring Remap Experts sites can help too.

Ready for remapping on your BMW 7 Series in Merseyside?
Send your details and a specialist will confirm what is possible for your engine.
Included
What we can do for your BMW 7 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 7 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