Get the most out of your vehicle today with Unitronic Performance ECU software for the VW Mk4 Golf, GTI, Jetta, GLI and New Beetle. This Big Turbo Software is Precisely Engineered to Run 20psi of Boost on a Stock Engine. (For applications over 300WTQ you will need upgraded rods).
Please note, your vehicle must be present at one of our shops in order to install this software, please contact one of our shops to set up an appointment.
Choose your software stage:
BT 440CC - Up to 350 HP
Performance Software Precisely Engineered for a big turbo setup utilizing 440cc injectors
- 91 or 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
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
Recommended Hardware
- Upgraded Fuel Pump (For over 300HP)
- Upgraded (DV) Diverter Valve
- Upgraded Rods (For over 300WTQ)
BT 630CC - Up to 500 HP
Performance Software Precisely Engineered for a big turbo setup utilizing 630cc injectors
- 91 or 93 Octane Fuel
Big Turbo Options
- Turbo: GT28-GT30 Series Turbo or Similar Size
- Throttle Body Options: Stock Throttle Body Only
- Cam Options: Stock Cams Only
- Emissions Delete Options: Yes
- Mafless Options: Yes
Required Hardware
- Siemens 630cc Injectors
- OBD2 VR6 or TT225 Maf Housing (Keep Stock Sensor)
- 3 Bar FPR
- Upgraded Exhaust System
- Upgraded Intercooler
- Cold Air Intake / Short Ram
Recommended Hardware
- Upgraded Fuel Pump (For over 300HP)
- Upgraded (DV) Diverter Valve
- Upgraded Rods (For over 300WTQ)
Features
- 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
Fitment/Applications
- 1999-2005 VW Mk4 Golf, GTI, Jetta, GLI, New Beetle 1.8T
- 1999-2005 Audi 8N TT 1.8T
Installation
This software must be installed at one of our shops, please contact one of our shops to set up an appointment.
Video
Please note that this software may not be available for all ECU IDs.
The Unitronic+ Programmer is not returnable under most circumstances. The only exception for this policy is if you were to receive your cable and Unitronic does not have a tune for your vehicle.