-Engine Must Be OFF but key in ignition turn on one notch to "accessories only".
-Start up Vag-Com.
-Click "Select" under "Select Control Module"
-Click "01-Engine"
-Click "Coding" under "Advanced Functions"
-Change the last digit from a 2 to a 1
-Click "Do it"
-Close Vag-Com, turn car off and then start fully.
-Done! :)
A4 Engine Soft Coding:
Last digit a 1
A6 Engine Soft Coding:
Last digit a 2
What this does:
This tells the ECU you are an A4, which changes the engine characteristics a bit. Makes the midrange and top end a little more enjoyable for enthusiasts. It changes the manifold changeover point, and I believe ignition timing slightly.
Just wanted to bring this back up from the archives.
Kris Hansen's Old Post

%20Quattro%20Sport%20I5%202.3L%2020V%205-Speed)

:::MODS:::
Sparco Short Shifter Kit / Koni Sport Suspension / AEM DryFlow Synthetic Cold Air Intake / Kumho Ecsta AST High Performance Tires / Speedline 15"x7" Wheels / Kamei Front Grille / Kamei Front Spoiler / Euro Spec 6000k HID Headlights / 194 LED Running Light / 12 LED Running Light Strip / Euro Clear Corners w/SilverStars / Debadged
:::Completed:::
NGK Iridium IX Spark Plugs
Bosch Spark Plug Wire Set
Bosch Distributor Cap & Rotor
Castrol Syntec Fully Synthetic Oil 10w40
Mahle Oil Filter
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Headlight Project
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Tire & Wheel Project
-17" RS4 Hartmann Wheels
-225/40/17 Gneral Altimax HP Tires
:::Knowledge:::
Windows XP SP0 Virtual Image
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The List
:::This Weekend:::
Bosch Fuel Filter
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:::BackBurner:::
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Exhaust Project
Car Audio Project
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:::Parts:::
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-New Tie Rods (Inner & Outter)
Exhaust Project
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Car Audio Project
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--Ipod Integration
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Audi 7A EFI Injector Kit Conversion
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Brake "bomb" replacement (confirmed leakage)
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Tinted Windows (20% Rear, 30% Front)
Tail Light Project
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Paint Job ;-)
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