Unitronic
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Unitronic BT 630CC : Up to 500HP

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STOCK POWER: 210HP / 200LB-FT

For Audi S3 210PS 1.8L R4 / 5VT (Turbo)

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Octane
91 Octane - 93 Octane
HP
Up to 290
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Description
Big Turbo Software Precisely Engineered to Run 20psi of Boost on a Stock Engine. (For over 300WTQ you need upgraded rods).
Subject to ECU Box code availability.
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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: No
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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
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Required Hardware
  • Unitronic Wideband ECU Conversion
  • 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
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Recommended Hardware
  • Upgraded Fuel Pump (For over 300HP)
  • Upgraded (DV) Diverter Valve
  • Upgraded Rods (For over 350HP)
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Oil and Additives Recommendation
Unitronic uses and recommends Liqui Moly Oil & Additives exclusively for your vehicle, which meet Audi/VW approvals. To ensure your vehicle is maintained with the #1 oil brand in Germany, see what is recommended for you with the
Liqui Moly Oil Guide.
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$740.00USD $890.00USD You save $150USD until May 9th, 2025
Save 15% or $150 (whichever is greater) on NEW Unitronic Performance Software from April 21, 2025 to May 9, 2025.
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