BMW 5er E34 518i 115
Engine Tuning Northampton
BMW 5er E34 518i 115 in Northampton. 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 518i 115: standard vs remapped
Petrol engine. Indicative stage 1 figures, fully dyno tested.
Power
+17 bhp · +15%- Standard115 bhp
- Remapped132 bhp
Torque
+33 Nm · +20%- Standard168 Nm
- Remapped201 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 E34 518i 115? Our figures show power up from 115 to 132 bhp (+15%) and torque up from 168 to 201 Nm (+20%), a stage 1 result you can book in Northampton.
Treat the numbers as a guide: they are stage 1 estimates for a petrol BMW 5 Series in sound condition, and individual cars differ.
BMW 5er E34 518i 115 remap figures
- Fuel: Petrol
- Standard power: 115 bhp, remapped: 132 bhp (+17 bhp, +15%)
- Standard torque: 168 Nm, remapped: 201 Nm (+33 Nm, +20%)
- Service: stage 1 ECU remap, fully dyno tested
What a remap does for a petrol BMW 5 Series
With a petrol engine the remap works through the ECU's ignition, fuelling and turbo boost tables. Re-calibrating them within safe limits releases power that is already there, rather than adding anything to the engine.
BMW 5er E34 518i 115 against other 5 Series engines
Among the 30 petrol 5 Series engines we have figures for, the 5er E34 518i 115 ranks 26th for power gain, 5 bhp below the 5 Series petrol average of 22 bhp.
Across our whole catalogue the average petrol remap adds 27 bhp and 51 Nm, so this engine's 17 bhp and 33 Nm sits below that benchmark.
Book ECU remapping for your BMW 5 Series in Northampton
Drivers in Northampton book through the Northampton Remap Experts site, one of our local sites across the UK. We regularly work with drivers in Newport Pagnell, Towcester, Silverstone, Rushden and Market Harborough and nearby areas of the East Midlands.
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 Leicester, Milton Keynes and Coventry, those neighbouring Remap Experts sites can help too.

Ready for engine tuning on your BMW 5 Series in Northampton?
Send your details and a specialist will confirm what is possible for your engine.
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