ECU tuning file service · online 24/7

Tuning files. Done in minutes, not days.

Upload your original file, pick your options and download a dyno-tested file, processed automatically by the B2Files portal day and night.

0+clients worldwide
0+years of tuning
24/7automatic processing
Dynotested files
Stage 1Stage 2Pops & BangsHardcutLaunch controlLambda solutionVmax solutionDPF / EGR / AdBlueGearbox tuningCustom calibration

Fully automated

Three steps. No waiting for someone to reply.

For supported ECUs the portal does the work instantly. Custom requests go straight to an engineer during support hours.

01

Upload your original

Read the ECU with your tool and upload the file in your account. Any major master or slave tool works.

ECU being read through a wiring harness with a tuning tool
02

The portal tunes it

The ECU is identified and your options are applied. Automatically.

ECU maps being edited in tuning software on a laptop
03

Download & flash

Your file is ready in minutes, with an invoice in your account. Flash it and go.

Starting the car after flashing the tuned file

See the full process

File service portal

Your whole file business in one place.

Log in to the portal
portal.b2files.com/dashboard
Welcome backDashboard
24 credits 2
Engineer statusOnline
System statusOnline
Open tickets0
VehicleOptionsStatus
Toyota Hilux 2.4DDenso · 150hpStage 1 · EGRReady
VW Transporter T6Bosch EDC17 · 140hpStage 1Ready
Ford Transit 2.0EcoBlue · 130hpOnly optionsReady
File readyYour file is ready to download
  • Free accountSign up in minutes. No subscription, no monthly fee.
  • Credits by PayPalTop up safely and get your credits instantly.
  • 25+ servicesStage 1, Stage 2, pops & bangs, hardcut, solutions and more.
  • File historyEvery original and tuned file kept in your account.
  • Automatic invoicesAn invoice for every purchase, ready to download.
  • NotificationsGet an email the moment your file is ready.
  • Support ticketsTalk to an engineer about any file, right in the portal.
  • Multi-languageUse the portal in English, Italian or Turkish.

Vehicle stats

See the gains before you upload.

Live from our catalogue of cars, vans, trucks and tractors. Pick your vehicle to see stock and tuned power and torque, engine data and the options available.

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On the road

Tested on the dyno.
Proven on the road.

Built by tuners

Every map, written and tested by people who tune.

Automation handles the routine. The calibrations behind it are written by engineers with 13+ years of experience and proven on the dyno. Boost, fuel, timing and torque limits all stay inside safe margins.

  • Dyno-tested files, not generic “one map fits all”
  • Original safety limits respected
  • Custom calibration when your project needs it
Boost target · mbarSTOCK
Load % ↑RPM →low → high

On the road

Custom Stage 2 on an Abarth.

Read, tuned, flashed and driven. Pops & bangs, hardcut, lambda and Vmax solutions in one file.

See all tuning options
1400+ clients13+ yearsDyno-tested filesAutomatic 24/7Credits by PayPalAutomatic invoicesAll major tools

Your next file is a few minutes away.

Create a free account, buy credits when you need them, and upload your first file today.