Say goodbye to your locked "401" bootloader thanks to Unitronic new TCU Unlock Tools which are seamlessly integrated with the UniCONNECT+ flashing application for end-users.
An advanced, all-in-one vehicle interface designed for high-speed scanning, diagnosing, and custom tuning across thousands of makes and models.
Includes enough credits to license the vehicle for a TCU tune on vehicles with 7-Speed, DQ381 DSG Transmission.
Offers smoother and quicker shifts and a higher torque limit thanks to increased clamping pressure
This upgrade requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next business day.
For customers that already have APR software on their car and are upgrading to a K04
Call In Or Chat For Best Price! This upgrade must be performed at ECS Tuning's facility in Ohio.
Unleash the potential of your build with the Pro version, adding Stage 2 support and aggressive features and high-torque files.
Buy Integrated Engineering Software from 9/3/26 - 9/30/26 for a chance to win your Software for FREE!
The ultimate "no-limits" tier that provides access to every stage and map, including Stage 3 big turbo files for maximum horsepower.
Buy Integrated Engineering Software from 9/3/26 - 9/30/26 for a chance to win your Software for FREE!
Gains of up to 51hp and 67tq depending on fuel type.
Buy Integrated Engineering Software from 9/3/26 - 9/30/26 for a chance to win your Software for FREE! For vehicles with TSI engines only
For customers that already have APR software on their car and are upgrading to a K04
Call In Or Chat For Best Price! This upgrade can be performed via our Chip & Ship method or the vehicle can be brought to ECS Tuning's fa For vehicles with FSI engines only. Ship your ECU for free, or drive your vehicle to our location
Required software to properly upgrade to a K04 turbocharger
Call In Or Chat For Best Price! This upgrade must be performed at ECS Tuning's facility in Ohio. Ship your ECU for free, or drive your vehicle to our location
*Sale applies only to ECU with 3 or 4 program purchase.
Call In Or Chat For Best Price! This upgrade must be performed at ECS Tuning's facility in Ohio.
All the performance upgrade options from the best brands in the business to help build your dreams. Our performance parts catalog is the largest anywhere and constantly growing to keep your build on track.
Let us help you find the parts that fit your
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