BMW Z4 Roadster 3.0si 265
Engine Tuning in Northampton
BMW Z4 Roadster 3.0si 265 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 Z4 Roadster 3.0si 265: standard vs remapped
Petrol engine. Indicative stage 1 figures, fully dyno tested.
Power
+27 bhp · +10%- Standard265 bhp
- Remapped292 bhp
Torque
+45 Nm · +14%- Standard315 Nm
- Remapped360 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
Engine tuning for the BMW Z4 Roadster 3.0si 265 in Northampton takes it from 265 to 292 bhp and from 315 to 360 Nm in our stage 1 figures: +27 bhp (10%) and +45 Nm (14%).
The figures above are estimates for a standard, well-maintained BMW Roadster petrol; they are not a guarantee of any particular result.
BMW Z4 Roadster 3.0si 265 power and torque after remapping
- Fuel: Petrol
- Standard power: 265 bhp, remapped: 292 bhp (+27 bhp, +10%)
- Standard torque: 315 Nm, remapped: 360 Nm (+45 Nm, +14%)
- Service: stage 1 ECU remap, fully dyno tested
How engine tuning works on a petrol BMW Roadster
Factory petrol calibrations leave margin for poor fuel and hot climates. A remap tunes the ignition, fuelling and boost maps to make better use of that margin, which shows up as livelier throttle response and stronger acceleration.
How the BMW Z4 Roadster 3.0si 265 compares
Among the 17 petrol Roadster engines we have figures for, the Z4 Roadster 3.0si 265 ranks 1st for power gain, 6 bhp above the Roadster petrol average of 21 bhp.
Across our whole catalogue the average petrol remap adds 27 bhp and 51 Nm, so this engine's 27 bhp and 45 Nm sits at or above that benchmark.
BMW Roadster performance tuning in Northampton
Remap Experts Northampton is part of the UK-wide 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.

Ready for engine tuning on your BMW Roadster in Northampton?
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 Roadster
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 Roadster engines
- BMW Coupe Z3 2.8 193petrol
- BMW Coupe Z3 3.0 231petrol
- BMW Z1 Roadster 2.5 170petrol
- BMW Z3 Roadster 1.8 115petrol
- BMW Z3 Roadster 1.9 118petrol
- BMW Z3 Roadster 2.0 150petrol
- BMW Z3 Roadster 2.8 193petrol
- BMW Z3 Roadster 3.0 231petrol
- BMW Z3 Roadster 3.2 M3 321petrol
- BMW Z4 Roadster 2.0i 150petrol
- BMW Z4 Roadster 2.2i 170petrol
- BMW Z4 Roadster 2.5i 177petrol
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