1Register for free
Create your portal account and add credits. You pay per file.
For workshops, tuners and dealers
Our ECU tuning file service supplies workshops and tuners with tuning files, usually within 20 to 40 minutes – developed and checked on our own dyno in Krostitz, near Leipzig.
Four steps take you from the original file you read to the finished tuning file.
Create your portal account and add credits. You pay per file.
Upload the file you read from the vehicle and choose the service: stage 1, a custom calibration or economy tuning.
Usually within 20 to 40 minutes, and within one hour at most – Monday to Saturday, 8 am to 8 pm.
Download the finished file and write it with your tool. If something is not right, we revise it – without using extra credits.
Files that arrive outside service hours, or on German public holidays, are started at the beginning of the next service day.
You order these services in the portal for each original file you upload.
Map optimisation for more power and torque on standard hardware, calibrated for the control unit in question. The standard choice for most customer vehicles.
A calibration for one vehicle, for example when drivability or a particular load range needs special attention.
Economy files reduce fuel use instead of raising peak power. A common request from fleets, vans and long-distance trucks.
On our dyno we measure power and torque before and after the calibration. You book the measurement as its own service, on site with us.
Our tuning files are not written at a desk alone: we develop and check them on our own dyno in the workshop in Krostitz.
Our performance report on the BMW M340d xDrive shows what such a measurement looks like.
We process ECU files from all common master and slave tools. You receive the file back in your tool’s format.
Master and slave, including the Autotuner Slave from our shop
KESS3 and K-TAG, master and slave
New Genius and New Trasdata, master and slave
Master and slave
Master and slave
Master and slave
Your tool is not listed? Talk to us – we process files from all common tools.
We report newly supported control units on an ongoing basis in our news on Autotuner, Dimsport and Magicmotorsport.
Whether master or slave: you read the file out, and our tuning file service supplies the finished file.
We supply tuning files for cars, trucks, agricultural machinery and construction machinery. An overview of more than 14,200 vehicles with power figures is in our vehicle database.
From everyday engines to performance models – cars make up most of our files.
For commercial vehicles, economy tuning is a common request.
Tractors and other farm machinery, where your tool can read the control unit.
Construction machinery, where your tool can read the control unit.
Our 20 largest brands at a glance:
1,000 starter credits
when you buy an Autotuner Slave from us
No tool yet? The Autotuner Slave is available in our shop. When you buy it from us, you receive 1,000 starter credits for the file service, which we add after you register in the portal.
You will find everything about a partnership with VTEC under Become a partner.
We also look after tuners outside Germany, with support in German and English. The portal and the ticket system can be used from anywhere. Service hours are Monday to Saturday, 8 am to 8 pm (CET/CEST).
As a file service for dealers we offer the same terms everywhere: free registration, credits that do not expire, fixed turnaround times and revisions included.

You can reach our file-service support Monday to Saturday, 8 am to 8 pm (CET/CEST), except on German public holidays – in German and English.
Usually within 20 to 40 minutes, and within one hour at most – during service hours.
Monday to Saturday, 8 am to 8 pm (CET/CEST). The file service is closed on German public holidays.
No. Registration in the portal is free.
By credits in the portal. You add credits there, and you pay per file.
No. Credits do not expire.
Yes. When you buy an Autotuner Slave from us, you receive 1,000 starter credits. We add them after you register in the portal.
We revise it, without using extra credits.
Autotuner, Alientech (KESS3, K-TAG), Dimsport (New Genius, New Trasdata), Magicmotorsport FLEX, CMD Flash and bFlash, master and slave. Your tool is not listed? Talk to us – we process files from all common tools.
Cars, trucks, agricultural machinery and construction machinery. The vehicle database lists more than 14,200 vehicles with power figures.
Yes. We develop and check the files on our own dyno in Krostitz. You book a dyno measurement as its own service, on site with us.
By phone, WhatsApp or the ticket system in the portal, in German and English. Monday to Saturday, 8 am to 8 pm (CET/CEST).
Yes. Tuners from abroad are welcome. The portal and the ticket system work from anywhere, and support is in German and English.
Ready for the first file?
Register for free in the portal, or talk to us about a partnership.