BMW 5er E34 525 TD 115
Engine Remapping in Blackburn
BMW 5er E34 525 TD 115 in Blackburn. 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 E34 525 TD 115: standard vs remapped
Diesel engine. Indicative stage 1 figures, fully dyno tested.
Power
+31 bhp · +27%- Standard115 bhp
- Remapped146 bhp
Torque
+58 Nm · +24%- Standard245 Nm
- Remapped303 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
Owners of the BMW 5er E34 525 TD 115 in Blackburn can expect a stage 1 remap to take it from 115 to 146 bhp and from 245 to 303 Nm, an extra 31 bhp (27%) and 58 Nm (24%).
The figures above are estimates for a standard, well-maintained BMW 5 Series diesel; they are not a guarantee of any particular result.
BMW 5er E34 525 TD 115 remap figures
- Fuel: Diesel
- Standard power: 115 bhp, remapped: 146 bhp (+31 bhp, +27%)
- Standard torque: 245 Nm, remapped: 303 Nm (+58 Nm, +24%)
- Service: stage 1 ECU remap, fully dyno tested
How engine 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.
How the BMW 5er E34 525 TD 115 compares
Ranked by power gain against the other diesel 5 Series engines (17 in total), the 5er E34 525 TD 115 is 17th, 6 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 31 bhp and 58 Nm sits below that benchmark.
Book vehicle tuning for your BMW 5 Series in Blackburn
Remap Experts has a dedicated Blackburn site, so you deal with a local team backed by a national network. We regularly work with drivers in Darwen, Preston, Manchester, Blackpool and Nelson and nearby areas of the North West.
Each remap is dyno tested before it is signed off, and is protected by a 30 day money back guarantee and a lifetime software warranty. Ask for a quote online or by phone.
If you are closer to Preston, Manchester and Lancaster, those neighbouring Remap Experts sites can help too.

Get a quote for your BMW 5er E34 525 TD 115
Tell us about your car and we will come back with a quote by SMS or phone.
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