Unitronic Mk1 TT 1.8T Big Turbo Performance Software (440CC Injectors)



Part# Unitronic-Mk1-TT-1.8T-BT-440CC

In Stock

Does This Fit Your Car?

description-iconBig Turbo 440CC - Up To 350 HP ( Up To +170 HP)
  • Big Turbo Software Precisely Engineered to Run 20psi of Boost on a Stock Engine.
  • For 93 octane fuel
Big Turbo Options
  • Turbo:GT28 Series Turbo or Similar Size
  • Throttle Body Options: Stock Throttle Body Only
  • Cam Options: Stock Cams Only
  • Emissions Delete Options: No
  • Mafless Options:No
description-iconBig Turbo 440CC Required Hardware
  • Bosch Green Giant 415cc Injectors
  • OBD2 VR6 or TT225 Maf Housing (Keep Stock Sensor)
  • 3.5 Bar FPR
  • Upgraded Exhaust System
  • Upgraded Intercooler
  • Cold Air Intake / Short Ram
description-iconBig Turbo 440CC Recommended Hardware
  • Upgraded Fuel Pump (For over 300HP)
  • Upgraded (DV) Diverter Valve
  • Upgraded Rods (For over 300WTQ)
Ecu needs to be sent to the Head Office. The turnaround time is approximately 1-2 weeks from the receiving date. Please follow the Unitronic Shipping Form
This vehicle has added support through UniCONNECT which allows you to program your own vehicle right in your own garage. Learn More
  • Engineered with Strict Industry Standards
  • Extensively Tested Under Various Driving Conditions
  • Optimized Responsiveness and Drivability
  • Power Delivery Perfectly Optimized Throughout the Power Band
  • Speed Governor Removed
  • RPM Limiter Increased to 7500 (With Stock Head)
  • Optimized for an Upgraded (DV) Diverter Valve or (BOV) Blow Off Valve
  • Ignition Timing Precisely Calibrated for Higher Octane Fuel

**LOCAL CUSTOMERS contact us for details on having your car tuned at our store. Call or Text 813-444-7021

Upgrade Policy: We will provide free lifetime upgrades to Unitronic chip users who have purchased the chip directly from us (UroTuning does charge a $25 flash fee to current customers, a $50 flash fee is charged to customers that had their Unitronic installed by another dealer). Upgrades apply to current versions of the same type of software. There are no upgrade paths for certain chips, such as for larger turbo packages. However, we do have discounts available for all Unitronic chip users when purchasing a complete larger turbo kit from us. Please inquire about discounts or with any questions you may have regarding this policy. Also please note that all Unitronic chips advertised on this site are for US spec vehicles unless stated otherwise.

NOTE: This software is also available to be installed locally at the UroTuning facility in Tampa Florida. Call us to setup an appointment at 813-444-7021


UniConnect is a Programming and Diagnostic Interface which gives users the freedom to reflash their Engine Control Unit (ECU) or Transmission Control Unit (TCU) from the comfort of their own garage. With the ability to upgrade the Unitronic Performance Software, flash back to stock, and also perform diagnostics, UniConnect is a complete end-user programming and diagnostic interface that provides control over your vehicle.
UniCONNECT is available for purchase through our Authorized Dealer Network and directly from Unitronic. UniCONNECT is compatible with most pre-2010 vehicles.*
Simple Installation
UniCONNECT gives you the freedom to effortlessly install your Unitronic Performance ECU and DSG Software from the comfort ?of your own garage.*
Change Software Maps
Quickly and Easily re-flash your ECU with Performance Software maps designed and specifically calibrated to suite the hardware and fuel modifications or fuel grade used.
Data Logging
Gathering high resolution data is made easy with Unitronic’s pre-configured channel loadouts for fast and effortless troubleshooting and data logging.**
Simple back to factory restauration
UniCONNECT makes it painless to revert your ECU back to it’s stock calibration within minutes.*
Advanced Settings
Enable optional advanced settings such as Launch Control or No Lift Shifting within minutes. Enable Gear display in MFG for DSG Software owners.*
Technical Specifications
Minimum System Requirements:
Operating System: Microsoft Windows 7 Internet Explorer 11 Screen Resolution: 1024x768 Processor: 1.5 GHz or higher Memory (RAM): 4GB or more

For optimal application performance:
Operating System: Microsoft Windows 7 or higher Internet Explorer 11 or newer Screen Resolution: 1024x768 Processor: 2.0 GHz or higher Memory (RAM): 8GB or more

Internet access is required.
*Some exclusions apply. Only available for select engines. Contact Unitronic or a Unitronic Authorized Dealer for more information.

**Feature in development.

IMPORTANT NOTE! Uniconnect Cables are NON-REFUNDABLE. Once assigned to your car they cannot be returned!

Unitronic is a leader in Performance Software and Hardware for VW, Audi and Porsche. UroTuning is proud to be a top dealer for Unitronic offering their highly sought after tunes and premium quality performance parts. We literally Delivery the Power and offer Flash at home software with Unitronics Uniconnect Cables.

⚠️CALIFORNIA WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

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