BMW 730i 258 (e65)
ECU Remapping in Northampton
BMW 730i 258 (e65) 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 730i 258 (e65): standard vs remapped
Petrol engine. Indicative stage 1 figures, fully dyno tested.
Power
+25 bhp · +10%- Standard258 bhp
- Remapped283 bhp
Torque
+40 Nm · +13%- Standard300 Nm
- Remapped340 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 730i 258 (e65) in Northampton can expect a stage 1 remap to take it from 258 to 283 bhp and from 300 to 340 Nm, an extra 25 bhp (10%) and 40 Nm (13%).
The figures above are estimates for a standard, well-maintained BMW 7 Series petrol; they are not a guarantee of any particular result.
BMW 730i 258 (e65) remap figures
- Fuel: Petrol
- Standard power: 258 bhp, remapped: 283 bhp (+25 bhp, +10%)
- Standard torque: 300 Nm, remapped: 340 Nm (+40 Nm, +13%)
- Service: stage 1 ECU remap, fully dyno tested
How ECU remapping works on a petrol BMW 7 Series
On a petrol car the ECU controls fuelling, spark timing and any turbo boost. A remap re-calibrates those maps within safe limits, so the car responds more eagerly and pulls harder through the rev range.
How the BMW 730i 258 (e65) compares
Of the 18 petrol 7 Series engines in our data, this one comes 12th for power gain, which is 3 bhp below the 7 Series petrol average of 28 bhp.
Across our whole catalogue the average petrol remap adds 27 bhp and 51 Nm, so this engine's 25 bhp and 40 Nm sits below that benchmark.
Remapping your BMW 7 Series in Northampton
Based around Northampton, our team serves local drivers as part of the nationwide Remap Experts network. We regularly work with drivers in Newport Pagnell, Towcester, Silverstone, Rushden and Market Harborough and nearby areas of the East Midlands.
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 Leicester, Milton Keynes and Coventry, those neighbouring Remap Experts sites can help too.
Get a quote for your BMW 730i 258 (e65)
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 7 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 7 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