Engine & gearbox tuning advice
Choose a calibration around vehicle condition, hardware, fuel and the behaviour you want. Plan engine and transmission work together where appropriate.
Plan the enquiry around the actual job.
Daily response, towing, modified hardware and a specific driving brief can require different decisions. Registration, engine, gearbox, mileage and modifications help identify the supported route. A generic power percentage is not a measured outcome for your vehicle.
Disclose warning lights, poor running, gearbox slip and servicing concerns first. Calibration is not a repair for a mechanical or electrical fault. These guides explain the quote information, original-software history and verification questions that help define appropriate work.
View the related service and its assessment process, or use the enquiry finder if you are unsure which route fits.
Read what helps your next step.
Stage 1 remapping and gearbox tuning: planning the engine and transmission together
A useful tuning enquiry describes the whole vehicle: condition, engine software, gearbox, hardware and how it is driven.
Read the guideCan a high-mileage car be remapped? Start with condition and history
Mileage is useful context, but it cannot replace servicing, diagnostics and drivetrain checks. Prepare a complete enquiry before increasing engine load.
Read the guideReturning a remapped vehicle to stock or planning a software update
Identify the current controller software, original files and intended result before restoration or a later update. A “stock” label is not enough.
Read the guideEngine and gearbox tuning: a better enquiry checklist
Describe the vehicle, health, current software and driving goal so engine and transmission calibration can be scoped together.
Read the guideStage 1, ECO or towing calibration: describe the driving brief
Daily response, economy priorities and towing can call for different calibration decisions. Start with vehicle health, load, fuel and realistic goals.
Read the guideStage 1, Stage 2 and Stage 3 remaps: what the labels actually mean
Choose a calibration scope from the fitted hardware and intended use. Engine stage labels and gearbox stage labels describe different work.
Read the guideDiesel remap gains: why torque delivery matters as much as peak bhp
A diesel tuning brief should describe useful response, load and the drivetrain. Peak bhp and Nm cannot explain the whole driving result.
Read the guidePetrol fuel grade and remapping: set the brief before programming
Tell the calibration team which fuel you regularly use. A turbo petrol tuning target should match the vehicle, hardware and agreed fuel requirements.
Read the guideEA888 and DSG tuning: prepare one brief for the engine and gearbox
For GTI, Golf R, S3, Cupra and related TSI/TFSI enquiries, send the actual engine generation, fuel, hardware and DSG identity together.
Read the guideBMW B58 and ZF tuning: fuel, software and gearbox questions to answer
A B58 enquiry needs the actual vehicle generation, regular fuel, modifications, controller access and transmission history before the target is agreed.
Read the guideBMW diesel remapping: prepare the engine and automatic torque brief
For N47, N57, B47, B57 and related BMW diesel enquiries, prioritise exact specification, condition, torque delivery and transmission history.
Read the guideTowing remaps: explain the load, cooling and gearbox before the target
Build a towing calibration enquiry around actual trailer use and vehicle condition. A software change does not increase approved towing or weight limits.
Read the guideECO remap economy: measure fuel use without relying on one mpg screen
Use comparable journeys, recorded fuel and distance when assessing economy. No fixed fuel saving follows automatically from a calibration.
Read the guideVan remapping: plan payload, controller access and downtime together
A working van enquiry needs its real load, available days and exact engine. Check the programming route before scheduling a mobile visit.
Read the guideRemap gains: bhp, PS, kW and wheel power are not interchangeable labels
Compare like-for-like figures before calculating a gain. Keep the unit, measurement basis, vehicle specification and estimate status with every result.
Read the guideReading a remap dyno graph: look beyond the highest number
A complete power report includes curves, units, method and vehicle specification. A peak number alone cannot establish the quality of a tuning result.
Read the guideDealer software updates after a remap: keep the original work record
A later software update can change the vehicle’s programming state. Record the update and contact the calibration team before assuming the previous map remains installed.
Read the guideHybrid remap figures: engine output and combined system power need context
Identify plug-in hybrid vehicles separately. Combined output is not a simple addition of unrelated engine and motor peak figures.
Read the guideMobile, OBD or bench remapping: what changes the appointment route?
Programming access and location are separate decisions. Identify the actual ECU and work before assuming a driveway appointment or controller removal.
Read the guideTuning box or ECU remap: compare the method, evidence and support
Compare an external tuning device with ECU calibration using the exact vehicle, modified parameters, verification and aftercare rather than headline gains.
Read the guideBoost leak before a remap: diagnose low performance before requesting more
A new lack of power, boost fault or damaged charge-air connection needs diagnosis before tuning. Prepare the findings for a useful quote.
Read the guideIntercoolers, heat soak and remapping: plan for repeatable performance
Discuss intake temperatures, operating conditions and cooling hardware when planning a remap for sustained use or a modified turbocharged vehicle.
Read the guideRemap data logs: requested values, actual readings and useful context
Prepare usable tuning logs with controller identity, parameter names, units and operating conditions. Keep requested targets distinct from measured behaviour.
Read the guideHybrid or upgraded turbo remapping: the hardware details your quote needs
Prepare an upgraded-turbo enquiry with actual part specifications, installation findings, fuel and drivetrain condition before a calibration route is agreed.
Read the guideNaturally aspirated or turbocharged: set the right remapping expectations
Build a petrol tuning enquiry around the engine’s induction, fuel and hardware. Avoid applying advertised turbo gains to a different engine configuration.
Read the guideMap switching enquiries: define the modes before the quote
Ask about supported map switching with a clear vehicle, fuel, hardware and mode brief. Features and operating requirements are confirmed for the exact application.
Read the guideA better remap quote starts with the exact engine and output
Send the right engine, factory output, gearbox and fuel details for a useful remap quote. Shared model badges and mixed power units can create misleading comparisons.
Read the guideComparing remap quotes: what is included in the appointment?
Compare vehicle identification, access, fuel, hardware, verification and aftercare when reviewing remap quotes. Headline power figures do not describe the whole job.
Read the guideMobile remapping in northern England: pre-checks before a Stage 1, ECO or towing map
A mobile remap should start with vehicle suitability, diagnostics and the right brief for the engine, gearbox and driving use.
Read the guideGive the quote a useful starting point.
Build a vehicle brief, compare your supplied performance figures, or understand what changes the price.
Ask about your vehicle.
Send the registration, postcode and the evidence described in the relevant guide.