IE Performance ECU Tune - Audi / 2.0T TSI Gen 3 / B9 / A4 / A5 | IESOVN31

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$499.99

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Part# IESOVN31


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Key Features:

  • Control engine tunes via Bluetooth from your smartphone.
  • Monitor live gauge data for real-time performance insights.
  • Switch octane levels for optimized fuel performance.
  • Upgrade tunes easily without extra fees or hassle.
  • Engineered for safe, high-performance driving experiences.

LEADING FEATURES

IE Audi B9 A4, A5, & Q5 Performance ECU Tune


  • Innovative mobile tuning for an easy install
  • Stage 1 delivers up to 314 HP and 332 ft-lbs on stock turbo
  • Stage 2 delivers up to 378 HP on stock turbo
  • 424 HP with Turbo Systems Hybrid turbo upgrade
  • 91, 93, & E85 flex fuel maps
  • Includes easy TrueFlex ethanol Flex-Fuel
  • Available with matching transmission tune
IE Audi B9 A4, A5, & Q5 Performance ECU Tune

FEATURES

PROPER LAUNCH MODE

PROPER LAUNCH MODE

Factory launch control just builds RPM. iE Anti-Lag™ builds real boost before you move for hard-hitting launches, while Rolling Anti-Lag unleashes instant power from a roll.

ETHANOL MADE SIMPLE

ETHANOL MADE SIMPLE

Running ethanol in your tuned A4 & A5 unlocks massive power, but mixing and measuring is a hassle. iE TrueFlex solves that by adapting automatically to any ethanol blend. Just fill and go.

EASY MOBILE FLASHING

EASY MOBILE FLASHING

POWERlink™ Mobile lets you install and manage your tune suite wirelessly via our intuitive and effortless iPhone/Android mobile app. Meet the tuning guru in your pocket.

424 HP DONE RIGHT

424 HP DONE RIGHT

Built and validated to perform anywhere you drive, then guarded by AutoProtect™, our smart, automated engine protection system. Hard-hitting power is protected at all times.

INSTANT TUNE ADJUSTMENT

INSTANT TUNE ADJUSTMENT

Adjust crackles, launch RPM, throttle response, and more in real time. No reflashing. No hardware. Every tap delivers the driving experience you want.


NO CORPORATE FILTER

NO CORPORATE FILTER


Your B9 A4 & A5 isn't slow. Audi's factory programming is holding it back. This iE tune safely reprograms the engine computer, stripping away those limits and replacing them with a new, unchained personality. Experience savage acceleration and custom-coded performance tech that makes your A4 & A5 unhinged when you want it, and civil when you don't.

GAIN UP TO 424 HP

GAIN UP TO 424 HP


iE B9 A4 Tuning offers gains of up to 424 HP with hybrid turbo, or 378 HP on stock turbo. Unlike inferior tunes, we deliver power without spikes, twitchy hesitation, or clunky surprises. Acceleration pulls hard, throttle response is exact, and driving behavior is perfected for everyday use. Sophisticated when cruising. Brutal when you floor it.

FAST, NOT RECKLESS

FAST, NOT RECKLESS


This isn't a rushed, custom dyno file or a conservative one-size-fits-all tune. iE calibrations are developed over months and validated across real cars, climates, and driving conditions worldwide. Advanced safety logic and AutoProtect intelligent programming continuously monitor each cylinder and pull power instantly if something isn't right. You get massive power and torque from a tune that dials it back when you need it most.

FULL POWER, NO EXCUSES

FULL POWER, NO EXCUSES


All 2021+ and some 2019–2020 A4 & A5 transmission computers are locked. While most tuners reduce output or force "low-torque files," iE wrote custom engine ECU code to force the transmission to safely accept more torque. This custom code increases hydraulic pressures to increase clutch capacity without a transmission tune. Full power, no compromises.

EXHAUST ON YOUR TERMS


Turn on Exhaust Crackles to give your Audi A4 attitude with dramatic pops and burbles on decel and shifts. Make instant changes from the app to turn it up, tone it down, or switch it off in real time. Kill the drone or free the beast by controlling your exhaust flaps from the app. The sound you want, exactly when you want it.

NEVER GET CAUGHT SPOOLING

NEVER GET CAUGHT SPOOLING


Other launch controls only build RPM, then fall straight into lag. iE Anti-Lag™ Launch Control builds RPM and spools the turbo, jumping you into the lead with hard-hitting, boosted launches. Rolling Anti-Lag™ (RAL) delivers the same advantage while moving, preloading boost at speed for a lag-free rolling launch. Stay one step ahead with instant RPM adjustments from the app or your cruise control stalk.

ADJUSTABLE THROTTLE RESPONSE

ADJUSTABLE THROTTLE RESPONSE


Take command with 15 customizable settings ranging from calm and linear to sharp and immediate. Changes apply instantly from the app, so you can switch from economy to aggressive the moment you want it. One tune, multiple personalities. No expensive pedal control module needed.

TRUEFLEX™: E85 MADE EASY


Ethanol is like rocket fuel for your B9 A4, but using it shouldn't feel like a science project. iE TrueFlex™ adds real flex-fuel intelligence, reading ethanol content and instantly optimizing boost, timing, and power to safely deliver maximum performance for the exact fuel in your tank. 91/93 pump gasoline, full E85, or any blend in between — just fill and drive.

FEATURES

POWERLINK MAKES IT EASY

POWERLINK™ MAKES IT EASY

A simple, step-by-step experience that makes flashing safe, clear, and stress-free.

LIVE GAUGES

LIVE GAUGES

Turn your phone into a customizable gauge cluster and monitor key engine data in real time.

DIAGNOSTICS

DIAGNOSTICS

Read and clear trouble codes instantly and understand what your car is telling you.

DATA LOGGING

DATA LOGGING

Record high-resolution engine data to review, share, or send directly to iE support.


Frequently Asked Questions


How do I install the Audi B9 2.0T Stage 1 tune?
The Audi B9 A4 Stage 1 tune installs at home using the iE POWERlink™ V4 mobile flashing device. Connect to the OBD2 port and complete the EA888 Gen 3 longitudinal ECU upgrade directly from your iPhone or Android. No laptop, no ECU removal, no dealer visit required.
How much HP does the B9 2.0T tune add?
The iE B9 A4 performance tune increases output from the factory 252 HP to up to 314 HP, depending on fuel and hardware. These Audi B9 2.0T HP gains deliver stronger mid-range torque and significantly improved acceleration.
Do I need a TCU tune for B9 2.0T Stage 1?
Most 2021+ and some 2019–2020 models have a locked transmission computer. Our Audi B9 A4 Stage 1 tune includes custom torque management, allowing full advertised power without a B9 TCU unlock. If unlockable, adding the DSG tune improves shift speed and drivability.
Is tuning an Audi B9 safe for daily driving?
Yes. Our EA888 Gen 3 longitudinal tune is engineered for smooth, proportional power delivery. AutoProtect continuously monitors engine conditions and actively reduces power if unsafe activity is detected, maintaining reliable daily performance.
Do POWERlink™ adjustable features require extra hardware?
No. iE's adjustable features are coded directly into the ECU. There are no external modules, pedal boxes, or add-on controllers required. All changes are made live through the POWERlink™ app and apply instantly.
Can I really switch from 93 octane to E85 without reflashing?
Yes. The B9 A4 E85 flex fuel tune is available with iE TrueFlex™ hardware and fueling upgrades. The ECU automatically adjusts for ethanol content in real time, allowing you to run 91, 93, or full E85 without reflashing.
Will tuning hurt my fuel economy?
Our calibrations are optimized for performance, but many drivers report stock-like or even improved fuel economy during normal cruising. Increased efficiency in boost and ignition mapping can improve MPG when driving conservatively. Aggressive driving will always use more fuel.
Do I need to repurchase tunes when upgrading parts?
No. POWERlink™ Pro and Apex Suites include all supported files within your tier. Upgrade hardware and flash the appropriate file — no additional software purchases required.
Is this mobile ECU flashing for Audi B9?
Yes. Audi B9 A4 mobile flashing is done entirely through the iE POWERlink™ app. This eliminates laptops and dealer visits, replacing traditional Audi B9 tuning software entirely.



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