BMW 740d 259 (e65)
Engine Tuning Belfast
BMW 740d 259 (e65) in Belfast. 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 740d 259 (e65): standard vs remapped
Diesel engine. Indicative stage 1 figures, fully dyno tested.
Power
+35 bhp · +14%- Standard259 bhp
- Remapped294 bhp
Torque
+75 Nm · +13%- Standard600 Nm
- Remapped675 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
Standard, the BMW 740d 259 (e65) makes 259 bhp and 600 Nm. With Remap Experts in Belfast it moves to 294 bhp and 675 Nm, which adds 35 bhp (14%) and 75 Nm (13%).
Figures are indicative stage 1 estimates for a healthy diesel BMW 7 Series; results vary with the condition of the vehicle.
BMW 740d 259 (e65): remap at a glance
- Fuel: Diesel
- Standard power: 259 bhp, remapped: 294 bhp (+35 bhp, +14%)
- Standard torque: 600 Nm, remapped: 675 Nm (+75 Nm, +13%)
- Service: stage 1 ECU remap, fully dyno tested
How engine tuning works on a diesel BMW 7 Series
On a diesel the ECU decides how much fuel is injected and how hard the turbo works. A remap adjusts those calibrations within safe limits, so the gains show up mainly as extra torque low in the rev range and smoother, more responsive pull.
BMW 740d 259 (e65) against other 7 Series engines
Ranked by power gain against the other diesel 7 Series engines (8 in total), the 740d 259 (e65) is 3rd, 2 bhp below the 7 Series diesel average of 37 bhp.
Across our whole catalogue the average diesel remap adds 34 bhp and 73 Nm, so this engine's 35 bhp and 75 Nm sits at or above that benchmark.
Remapping your BMW 7 Series in Belfast
This is the Belfast site of the Remap Experts network, serving local drivers. We regularly work with drivers in Holywood, Newtownabbey, Millisle, Lisburn and Dunmurry and nearby areas of Northern Ireland.
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 Glasgow, Scotland and Carlisle, those neighbouring Remap Experts sites can help too.

Want these figures on your BMW 740d 259 (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