Alientech
Professional ECU ProgrammingIndustry-recognised hardware used for reliable OBD, Bench and Boot Mode ECU programming across supported petrol and diesel applications.
Click any service below to open the booking form with that service already selected.
This section is now placed above the services so customers cannot miss it.
Select a date/time, pay 50% deposit, then pay the balance after completion.
Call the shop first to confirm availability. £25 within 25 miles, then 50p per extra mile.
Send your original ECU file. Most files are returned within 30–60 minutes during business hours.
Post the ECU to CRF Tuning for programming, then it is returned once complete.
Best for: Best for customers with their own tuning tool who need a modified ECU file.
Professional ECU file modification service for customers using their own programming equipment. Send us your original file and receive a modified file ready to write back to the vehicle.
Typical turnaround: 30–60 minutes during business hours. More complex files or custom requests may take longer.
Clone the data from your original ECU into a compatible donor / replacement ECU using the correct bench, boot or chip-level method for the ECU fitted to your vehicle.
Best for: Failed ECUs, replacement ECU fitting, donor ECU preparation and like-for-like ECU replacement.
£180 minimum: advertised cloning prices apply when you supply both the original ECU and the donor / replacement ECU. If you need CRF Tuning to supply an ECU, contact us first for an accurate price.
SELECT VEHICLE & ECUImmobiliser off ECU send-in service. Select your ECU type below, then add it to your basket.
Best for: ECU replacement, immobiliser faults or project vehicles.
Improved BHP, torque, throttle response and drivability.
Best for: Best for standard vehicles needing stronger power, torque and drivability.
MPG note: Stage 1 tuning can improve MPG when driven sensibly. Results depend on vehicle condition, driving style and usage.
For vehicles with supporting modifications and stronger calibration.
Best for: Best for vehicles with supporting hardware modifications.
Custom calibration for heavily modified vehicles and higher-output builds. Includes injector calibration.
Best for: Big-turbo, forged-engine and other high-spec builds. Hardware requirements depend on the engine and intended power level; for example, a 1.8T Stage 3 build may use a big turbo and forged rods, while other engines require different supporting upgrades.
Build check required: Stage names are not a universal hardware specification. CRF Tuning confirms the required turbo, fueling, cooling, drivetrain and engine hardware for each vehicle before calibration.
Economy-focused tuning for improved fuel efficiency.
Best for: Best for daily drivers focused on fuel economy and smoother torque.
Economy and power 50/50 calibration.
Best for: Best for a balanced economy and performance calibration.
Custom calibration for hybrid turbo and modified vehicle setups.
Best for: Best for hybrid turbo or higher-spec modified setups.
For ECU types: AGU, AJL, AEB and APX Bosch ME3.8 applications.
Specialist chip-level tuning for selected VAG 1.8T Bosch ME3.8 ECUs. This service can involve opening the ECU, replacing or converting OTP memory, and calibrating the ECU for the exact engine and hardware setup.
Stage suitability: Stage 1 applies only to stock cars or vehicles with exhaust and air filter upgrades only. Stage 2 applies only to FMIC with K03 / K03S turbo setups. Hybrid turbos, injector upgrades and higher-spec hardware require Custom Hybrid Turbo / Injector Upgrade Calibration.
Important: Prices are higher due to limited availability of tuners offering this service, specialist soldering work and replacement of the original OTP chip with a newer programmable memory device.
Add ME3.8 Tuning To Basket View Full ME3.8 PageTorque-focused tuning for vans and business vehicles.
Best for: Best for vans and work vehicles needing stronger pulling power.
Pops and bangs setup where supported.
Best for: Best for customers wanting a more aggressive exhaust overrun sound.
Hard cut / popcorn limiter setup.
Best for: Best for motorsport-style limiter sound requests.
Launch control setup where supported.
Best for: Best for performance setups requiring launch strategy calibration.
Specialist anti-lag calibration for compatible ECU and performance setups.
Best for: Turbocharged motorsport/performance vehicles requiring an anti-lag strategy.
AdBlue / SCR software solution from £70.
Best for: Best for off-road/export software requests where applicable.
DPF software solution.
Best for: Best for off-road/export software requests where applicable.
EGR software solution.
Best for: Best for off-road/export software requests where applicable.
Swirl flap software solution.
Best for: Best for software changes after swirl flap removal or faults.
Lambda, O2 or NOx software removal.
Best for: Best for selected sensor-related file modification requests.
Injector coding, scaling and calibration for suitable ECU send-in, workshop and remote file-service jobs.
Diagnostic trouble code removal.
Best for: Best for removing specific diagnostic trouble codes from a file.
Speed limiter / VMAX disable.
Best for: Best for removing speed limiter restrictions where suitable.
Clear steps for workshop, mobile call out, file service and ECU send-in jobs.
Quick answers before booking your remap, file service or diagnostic appointment.
Most standard workshop remaps take around 1–2 hours once the vehicle is connected and checked.
Yes. Send your original ECU file and we can supply a modified file for you to write back with your own tool.
Workshop bookings can be secured with a 50% deposit. File service and product orders require full payment.
Klarna is available at checkout where supported, alongside PayPal and bank transfer options.
Yes. UK-wide ECU send-in and remote file service options are available depending on the job.
Stage 1 tuning can improve MPG if driven sensibly by improving torque and reducing throttle input for normal driving. Actual fuel economy depends on driving style, vehicle condition and usage.
In most cases the ECU can be returned to a standard file if the original read is available and the ECU is supported.
Stage 1 is generally for standard vehicles. Stage 2 and hybrid tuning require suitable supporting modifications.
Yes. Any ECU calibration or vehicle modification should be declared to your insurer.
Secure your appointment with a PayPal deposit. All current service deposits are listed on the payment page.
Using industry-recognised programming equipment to deliver reliable ECU and TCU calibration services with safe read/write procedures.
Industry-recognised hardware used for reliable OBD, Bench and Boot Mode ECU programming across supported petrol and diesel applications.
Professional programming platform providing wide ECU and transmission control unit coverage with safe, stable communication procedures.
Modern ECU and TCU programming equipment supporting advanced Bench, Boot Mode and OBD read/write work for tuning and diagnostics.
At CRF Tuning, we invest in professional ECU programming equipment to support safe data handling, reliable ECU communication and high-quality calibration work.
Choose the service route that suits your vehicle, tools and turnaround.
| Option | Best for | What you send | Typical turnaround | From |
|---|---|---|---|---|
| File Service | Customers with their own reading tool | Original ECU file | Same working day where possible | £45 |
| ECU Cloning | Replacement / donor ECU programming | Original ECU + donor ECU | Confirmed after ECU identification | £180 |
| ECU Send-In | Bench/boot work without visiting | Physical ECU | Usually 1–2 working days after arrival | Service price + £6.75 return postage |
| Mobile / Workshop | Complete vehicle tuning | The vehicle | Booked appointment | Quoted per vehicle |
| ME3.8 Specialist | ME3.8 custom and hybrid setups | ECU and specification | Confirmed after assessment | ME3.8-specific pricing |