BMW 5er E39 520d 136
Chip Tuning Lancaster
BMW 5er E39 520d 136 in Lancaster. 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 520d 136: standard vs remapped
Diesel engine. Indicative stage 1 figures, fully dyno tested.
Power
+37 bhp · +27%- Standard136 bhp
- Remapped173 bhp
Torque
+83 Nm · +30%- Standard280 Nm
- Remapped363 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
The BMW 5er E39 520d 136 produces 136 bhp and 280 Nm of torque as standard. After a stage 1 ECU remap in Lancaster, our figures show 173 bhp and 363 Nm: a gain of 37 bhp (27%) and 83 Nm (30%).
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 520d 136: remap at a glance
- Fuel: Diesel
- Standard power: 136 bhp, remapped: 173 bhp (+37 bhp, +27%)
- Standard torque: 280 Nm, remapped: 363 Nm (+83 Nm, +30%)
- Service: stage 1 ECU remap, fully dyno tested
What a remap does for a diesel BMW 5 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 5er E39 520d 136 against other 5 Series engines
Ranked by power gain against the other diesel 5 Series engines (17 in total), the 5er E39 520d 136 is 4th, exactly the 5 Series diesel average.
Across our whole catalogue the average diesel remap adds 34 bhp and 73 Nm, so this engine's 37 bhp and 83 Nm sits at or above that benchmark.
Book vehicle tuning for your BMW 5 Series in Lancaster
Drivers in Lancaster book through the Lancaster Remap Experts site, one of our local sites across the UK. We regularly work with drivers in Millom, Ulverston, Seathwaite, Ravenglass and Grange-over-Sands 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 Preston, Blackburn and Carlisle, those neighbouring Remap Experts sites can help too.

Get a quote for your BMW 5er E39 520d 136
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