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APR’s TTE420 Turbo ECU Upgrade for K04 equipped 2.0T vehicles!

turbo
turbo turbo

APR’s TTE420 Turbocharger ECU Upgrade is designed for use with the The Turbo Engineer's TTE420 turbocharger and produces an asphalt-shredding 400 HP on 93 octane fuel, and up to 442 HP using race fuel! Expect lightning fast response coupled with smooth daily driving and a much broader power band that pulls all the way to redline!

Using multiple vehicles across the world and in house, APR’s team of Calibration and Electrical Engineers mastered the Bosch MED9 engine management system to work seamlessly with the upgraded TTE420 turbocharger unit. All critical aspects of the vehicle’s platform were taken into consideration and monitored through APR’s proprietary engine management logging tools to levels often not seen elsewhere in this industry. Through proper mapping, the ECU fully understands the hardware changes and operates correctly. As such torque delivery is smooth and flat, avoiding compressor surge, limitations in the factory fueling system, and limiting stress on the factory transmission. Cam phasing operations are optimized, aiding in turbocharger spool, while allowing the engine to breathe more efficiently at higher engine speeds. Under various operational modes, lambda, ignition advance, requested torque, boost pressure levels and more were painstakingly optimized to produce maximum power without resorting to risky calibration shortcuts.

APR Calibration Report
Stage NAR Fuel ROW Fuel Max HP Max TQ Max HP Gain Over Stock Max TQ Gain Over Stock
- APR recommends and tuned with Sunoco GT 260 for 100 AKI mode and Sunoco GT 260 Plus for 104 AKI mode. Never use lower octane than specified by the mode.
- Max increases are based on APR's actual measured stock values and not those reported by VAG. | RON = ROW Fuel Grades | AKI = NAR North American (RON+MON)/2 Fuel Grades.
- Reported wheel figures measured using APR's in-house Dynapack Dynamometer with a US Spec MK6 Golf R in FWD mode with TTE420 turbocharger, APR Cast Downpipe, APR Intake System and APR Intercooler, using SAEJ1349 correction and an average of multiple runs. Crank figures are estimated based on the measured wheel figures. Results may vary depending upon environmental conditions, vehicle, transmission, vehicle health, operating conditions, temperatures, fuel grade, dyno type, dyno setup, other variables and other modifications.
Stock As Reported by VAG 91 AKI95 RON 220 - 272 HP 243 - 258 FT-LBS    
Stock As Measured by APR 93 AKI98 RON 271 HP 260 FT-LBS    
APR TTE420 Turbocharger ECU Upgrade 91 AKI95 RON 392 HP 401 FT-LBS +131 HP @ 5,300 RPM +141 FT-LBS @ 3,900 RPM
APR TTE420 Turbocharger ECU Upgrade 93 AKI98 RON 400 HP 413 FT-LBS +144 HP @ 5,250 RPM +152 FT-LBS @ 3,900 RPM
APR TTE420 Turbocharger ECU Upgrade 100 AKI104 RON 419 HP 431 FT-LBS +166 HP @ 5,250 RPM +171 FT-LBS @ 4,950 RPM
APR TTE420 Turbocharger ECU Upgrade 104 AKI 108 RON 442 HP 449 FT-LBS +188 HP @ 5,350 RPM +190 FT-LBS @ 5,000 RPM

Requirements and Recommendations

  • Turbocharger:
    A TTE420 Turbocharger from The Turbo Engineers with the 'stage 2 APR wastegate actuator spring' is required.
  • Intake:
    A high flow quality intake system that replaces the factory air box is required.
  • Exhaust:
    A high flow downpipe is required but the catback exhaust may remain unmodified.
  • Intercooler:
    An intercooler upgrade is required.
  • High Pressure Fuel Pump:
    A high pressure fuel pump upgrade is required.
  • Low Pressure Fuel Pump:
    A low pressure fuel pump upgrade is required.
  • Fuel Rail Relief Valve:
    A 155 bar fuel rail pressure relief valve is required.
  • Valve Springs:
    Upgraded valve springs may be required if valve float is exhibited.
  • Spark Plugs:
    APR's software is designed for use with NGK BKR8EIX spark plugs gapped to 0.022" ±0.002" or 0.55mm ±0.05mm with a change interval of 10-15,000 mi or 16-24,000 km.
  • Transmission:
    The APR TCU Upgrade is highly recommended.
Application Guide
Vehicle Engine Transmission
Audi A1 2.0 TFSI All
Audi S3 (MKII) 2.0 TFSI All
Audi TTS (MKII) 2.0 TFSI All
KTM X-Bow 2.0T All
Seat Leon Cupra / Cupra R / Supercopa (MKII) 2.0T FSI All
Volkswagen Golf R / ED30 / ED35 / Pirelli 2.0T FSI All
Volkswagen Polo R WRC 2.0T FSI All
Volkswagen Scirocco R 2.0T FSI All

Please Note: An APR Dealer MUST check software availability and compatibility before purchase.

Pricing
Stage Minimum Requirements Price
IMPORTANT PRICING AND AVAILABILITY DETAILS:
- Pricing: Please contact an APR Importer for pricing outside the USA.
- Program Switching: A fully loaded ECU includes up to 4 program modes (stock mode, performance modes, valet, etc), as well as fault code erase, security lockout and anti-theft depending on availability and ECU compatibility.
- Availability and ECU Compatibility: Stages, programs, and features may not be available for all ECUs.
- ECU Revision Notice: Multiple ECU revisions exist for each platform. APR software may be temporarily unavailable when factory updates are applied. An APR dealer can check availability in person, or over the phone if the ECU boxcode/revision is known.
APR’s TTE420 Turbo ECU Upgrade - New Customer TTE420 Turbocharger (See Requirements and Recommendations Above) $999.99
- Add APR EMCS Program Switching (Fully Loaded) None $149.99
- Add APR Motorsport Adjustable Launch Limiter 6 Speed Manual - Golf R (North America) $99.99
- Add APR Motorsport No-Lift Shift 6 Speed Manual - Golf R (North America) $99.99

How to purchase

APR DealerPlease use the APR Dealer Locater Tool to locate an APR Dealer, confirm availability and schedule an appointment.

Please note vehicle manufacturers issue many ECU part numbers and revisions throughout their vehicle lineup. As such, some ECUs may be temporarily unavailable as new parts and/or revisions are released. If the vehicle’s ECU part number and revision is known, availability can be checked at any APR Dealer.

APR Tuned

Phone: (800) 680-7921 Local Phone: +1 (334) 502-5181 Fax: (334) 502-5180 Address: APR LLC, 4800 US HWY 280 West, Opelika, AL 36801

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Notice: Products that affect emissions and do not carry a California Air Resources Board Executive Order are not for sale in California, USA. While we try to keep everything current, APR LLC is not responsible for errors in pricing on this web site. All prices are in USD and are applicable to the United States of America only.