AUTONEXX PERFORMANCE
Professional file service

Tuning files in record time

Upload your original file, choose the solutions and get the finished file back – usually within minutes. For cars, trucks, agricultural machines and bikes.

How it works

Your file in 4 steps

01

Register

Create a free dealer account and get it approved.

02

Buy credits

Pay for credits online – they are available immediately.

03

Upload file

Upload the original file and select the solutions you need.

04

Receive file

Download the finished file – checked and checksum-corrected.

25.000+files processed
1.200+happy customers
15 Min.average turnaround
7/7days support
About us

Experience you can feel

For many years we have been developing software optimisations for engine and gearbox control units. Every file is made by experienced calibrators and verified on the dyno.

  • Own dyno
  • Only verified original calibrations
  • Personal support
Tools

Slave, master or EVC – we work with your tool

Slave

Slave tools

Encrypted files from slave tools are decoded and returned automatically.

Master

Master tools

All common master tools for OBD, bench and boot are supported.

EVC

WinOLS / EVC

OLSx credits and projects right in the portal – matching your WinOLS.

Our offer

Everything from one source

From performance upgrades to fault fixes – we deliver the right solution.

  • Stage 1 / Stage 2 / Eco
  • DPF, EGR, AdBlue, lambda
  • Pops & bangs, launch control
  • Gearbox optimisation (TCU / DSG)
  • DTC removal
  • Immo / start-stop
Why us

Your advantages

Fast

Most files are ready within minutes.

Safe

Checksums are always corrected, limits stay in the safe range.

Dyno tested

Developed and measured on our own dyno.

Personal support

Direct contact to our calibrators via ticket, chat or WhatsApp.

Reviews

What our customers say

★ 4,9
★★★★★

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Michael S
★★★★★

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Daniel K
★★★★★

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Andreas M

Ready for more power?

Register for free and upload your first file.

Register now