BMW 740i 306 (e65)
Engine Tuning Essex
BMW 740i 306 (e65) in Essex. 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 740i 306 (e65): standard vs remapped
Petrol engine. Indicative stage 1 figures, fully dyno tested.
Power
+35 bhp · +11%- Standard306 bhp
- Remapped341 bhp
Torque
+55 Nm · +14%- Standard390 Nm
- Remapped445 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 740i 306 (e65) makes 306 bhp and 390 Nm. With Remap Experts in Essex it moves to 341 bhp and 445 Nm, which adds 35 bhp (11%) and 55 Nm (14%).
Figures are indicative stage 1 estimates for a healthy petrol BMW 7 Series; results vary with the condition of the vehicle.
BMW 740i 306 (e65) power and torque after remapping
- Fuel: Petrol
- Standard power: 306 bhp, remapped: 341 bhp (+35 bhp, +11%)
- Standard torque: 390 Nm, remapped: 445 Nm (+55 Nm, +14%)
- Service: stage 1 ECU remap, fully dyno tested
How engine tuning works on a petrol BMW 7 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 740i 306 (e65) against other 7 Series engines
Among the 18 petrol 7 Series engines we have figures for, the 740i 306 (e65) ranks 3rd for power gain, 7 bhp above 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 35 bhp and 55 Nm sits at or above that benchmark.
Book ECU remapping for your BMW 7 Series in Essex
This is the Essex site of the Remap Experts network, serving local drivers. We regularly work with drivers in Ipswich, Stowmarket, Southend-on-Sea, Saffron Walden and Halstead and nearby areas of the East of England.
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 London, Suffolk and Hertfordshire, those neighbouring Remap Experts sites can help too.
Want these figures on your BMW 740i 306 (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