BMW 730d 231 (e65)
ECU Remapping in Berkshire
BMW 730d 231 (e65) in Berkshire. 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 730d 231 (e65): standard vs remapped
Diesel engine. Indicative stage 1 figures, fully dyno tested.
Power
+35 bhp · +15%- Standard231 bhp
- Remapped266 bhp
Torque
+65 Nm · +13%- Standard520 Nm
- Remapped585 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
Out of the box the BMW 730d 231 (e65) gives 231 bhp and 520 Nm. Remapped in Berkshire, we record 266 bhp and 585 Nm, so 35 bhp and 65 Nm more, or 15% and 13% respectively.
These are indicative figures for a diesel BMW 7 Series in good health. Your own results depend on the condition of the car.
BMW 730d 231 (e65): remap at a glance
- Fuel: Diesel
- Standard power: 231 bhp, remapped: 266 bhp (+35 bhp, +15%)
- Standard torque: 520 Nm, remapped: 585 Nm (+65 Nm, +13%)
- Service: stage 1 ECU remap, fully dyno tested
Diesel BMW 7 Series: what changes with a remap
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.
How the BMW 730d 231 (e65) compares
Among the 8 diesel 7 Series engines we have figures for, the 730d 231 (e65) ranks 5th for power gain, 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 65 Nm sits at or above that benchmark.
BMW 7 Series vehicle tuning in Berkshire
Remap Experts has a dedicated Berkshire site, so you deal with a local team backed by a national network. We regularly work with drivers in Slough, Windsor, Twyford, Thatcham and Sandhurst and nearby areas of the South East.
All our remaps are fully dyno tested, backed by a 30 day money back guarantee and covered by a lifetime software warranty. Request a quote online or call 0800 779 7864.
If you are closer to Surrey, Basingstoke and Milton Keynes, those neighbouring Remap Experts sites can help too.

Ready for ECU remapping on your BMW 7 Series in Berkshire?
Send your details and a specialist will confirm what is possible for your engine.
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