Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply

Menu

Call Us330-331-2003 ChatLive Chat Text Us!
0 Shopping Cart
Your Vehicle Clear

Audi A3 8V FWD 1.8T

    • Audi
    • BMW
    • Mercedes Benz
    • MINI
    • Porsche
    • Volkswagen

Saved Vehicles

My Vehicles
You currently have no stored vehicles.

Recent Vehicles

Recent Vehicles Manage Vehicles

You currently have no recent vehicles.

We'll automatically keep fully selected vehicles here for your convenience.

Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
0
Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
Cancel
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle Audi A3 8V FWD 1.8T
Your Vehicle Audi A3 8V FWD 1.8T
Change Clear

Audi A3 8V FWD 1.8T Performance TCU Software / Tuning

Sort By
Filter By
Return to Top

Unitronic Performance Software - Stage 2 - With DSG Software

ES#4369225 - 18TSI-IS12-2D - Unitronic Performance Software - Stage 2 - With DSG Software - Gain up to 87 horsepower and 106 lb-ft of torque on 93 Octane - Unitronic - Audi Volkswagen

Gain up to 87 horsepower and 106 lb-ft of torque on 93 Octane This tune requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next
Requires Unitronic 3 Inch Downpipe

Brand:
Unitronic - Corporate Logo
ES#:
4369225
Mfg#:
18TSI-IS12-2D
In Stock
10% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$1450.00

This product was last offered at the strikethrough price on
10-31-2026

$1300.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

034Motorsport MK7/7.5 VW Golf, Sportwagen, Alltrack, & 8V Audi A3 1.8T Dynamic+ Tuning ECU & DQ250 TCU Tuning Bundle

ES#4877245 - 034-103-282 - 034Motorsport MK7/7.5 VW Golf, Sportwagen, Alltrack, & 8V Audi A3 1.8T Dynamic+ Tuning ECU & DQ250 TCU Tuning Bundle - Unleash up to 261HP/322TQ by transforming your VW/Audi MQB 1.8T with Dynamic+ Tuning - delivering ultimate power, drivability, reliability, and enhanced features! - 034Motorsport - Audi Volkswagen

Unleash up to 261HP/322TQ by transforming your VW/Audi MQB 1.8T with Dynamic+ Tuning - delivering ultimate power, drivability, reliability, and enhanced features! 2X Entries Into Our F80 M3 Sweepstakes
Only for models with CNSB/CXBB engine codes.

Brand:
034Motorsport - Corporate Logo
ES#:
4877245
Mfg#:
034-103-282
Ships in 1 Business Day
Starting at $180.00 USD
Customize
Free Shipping
This product is lifetime replacement eligible Partial Replacement

APR Upgrade: Stage 1 to 2 AWD Controller Software for Gen 5 Haldex

maximum rear-torque capacity and improved acceleration. Call In Or Chat For Best Price!

Brand:
APR - Corporate Logo
ES#:
5456932
Mfg#:
SW300001-12
Ships on Nov 25, 2026
ON SALE! SAVE 20%
$99.99

This product was last offered at the strikethrough price on
09-28-2026

$79.96 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Performance TCU Software / Tuning

Add power and performance with special TCU software upgrades from recognized tuning leaders like APR, 034Motorsport, Unitronic, and Integrated Engineering. Let our trained support staff show you how to pick the performance ECU software upgrade that suits your driving preferences and budget.

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

Terms of Use Privacy Policy Your Privacy Choices Cookie Policy ECS Tuning is part of Enthusiast Auto Holdings