BMW 5er E39 525 TDs 143
ECU Remapping
BMW 5er E39 525 TDs 143. 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 5er E39 525 TDs 143: standard vs remapped
Diesel engine. Indicative stage 1 figures, fully dyno tested.
Power
+34 bhp · +24%- Standard143 bhp
- Remapped177 bhp
Torque
+85 Nm · +30%- Standard280 Nm
- Remapped365 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 5er E39 525 TDs 143? Our figures show power up from 143 to 177 bhp (+24%) and torque up from 280 to 365 Nm (+30%), a stage 1 result you can book across the UK.
Treat the numbers as a guide: they are stage 1 estimates for a diesel BMW 5 Series in sound condition, and individual cars differ.
BMW 5er E39 525 TDs 143: remap at a glance
- Fuel: Diesel
- Standard power: 143 bhp, remapped: 177 bhp (+34 bhp, +24%)
- Standard torque: 280 Nm, remapped: 365 Nm (+85 Nm, +30%)
- Service: stage 1 ECU remap, fully dyno tested
How ECU remapping works on a diesel BMW 5 Series
The gains from remapping a diesel come from the engine management software rather than new parts: injection, boost and torque limits are re-mapped, which is why torque improves most and why the car often feels easier to drive at lower revs.
BMW 5er E39 525 TDs 143 against other 5 Series engines
Of the 17 diesel 5 Series engines in our data, this one comes 10th for power gain, which is 3 bhp below the 5 Series diesel average of 37 bhp.
Across our whole catalogue the average diesel remap adds 34 bhp and 73 Nm, so this engine's 34 bhp and 85 Nm sits at or above that benchmark.
BMW 5 Series chip tuning
Our network covers the whole of the UK through local Remap Experts sites. Find your area to get a quote from a specialist near you.
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.
Ready for ECU remapping on your BMW 5 Series?
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 5 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 5 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