BMW 5er E39 520d 136
ECU Remapping Crawley
BMW 5er E39 520d 136 in Crawley. 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
Looking for ECU remapping for your BMW 5er E39 520d 136 in Crawley? Standard it makes 136 bhp and 280 Nm. With a stage 1 remap our figures show 173 bhp and 363 Nm, an extra 37 bhp (27%) and 83 Nm (30%).
Figures are indicative stage 1 estimates for a healthy diesel BMW 5 Series; results vary with the condition of the vehicle.
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
Modern diesels are held back by conservative factory calibrations. A remap updates the fuel and boost maps stored in the ECU, which is why drivers notice stronger acceleration from low revs and less need to change down on hills or when loaded.
BMW 5er E39 520d 136 against other 5 Series engines
Among the 17 diesel 5 Series engines we have figures for, the 5er E39 520d 136 ranks 4th for power gain, 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.
Remapping your BMW 5 Series in Crawley
Drivers in Crawley book through the Crawley Remap Experts site, one of our local sites across the UK. We regularly work with drivers in Sevenoaks, Tonbridge, Swanley, Sidcup and Ortington and nearby areas of the South East.
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 Sussex, Surrey and Croydon, those neighbouring Remap Experts sites can help too.

Want these figures on your BMW 5er E39 520d 136?
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