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Audi A3 8V FWD 2.0T Performance TCU Software / Tuning

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ES#4759009 - EM100040 - APR Ultralink At-Home Tuning Cable (Flashing Device Only - Tuning Not Included) - Tuning your vehicle with APR Software has never been easier thanks to the APR Ultralink! - APR - Audi Volkswagen Porsche

Tuning your vehicle with APR Software has never been easier thanks to the APR Ultralink! Call In Or Chat For Best Price! 5X Entries For Our Spin To Win Sweepstakes!
Only available for purchase in the United States and Canada.

Brand:
APR - Corporate Logo
ES#:
4759009
Mfg#:
EM100040
In Stock
$139.95

This product was last offered at the strikethrough price on
09-07-2026

$129.95 USD
Free Shipping
ES#4684889 - 034-103-3306 - Dynamic+ End User Flashing Kit R4 (Flashing Device Only - Tuning Not Included) - End User Flashing allows Dynamic+ Performance Software customers to receive and install software updates and revisions, flash back to stock, or upgrade to the next stage of performance software for their vehicle. - 034Motorsport - Audi Volkswagen

End User Flashing allows Dynamic+ Performance Software customers to receive and install software updates and revisions, flash back to stock, or upgrade to the next stage of performance software for their vehicle. 2X Entries Into Our F80 M3 Sweepstakes 2X Entries For Our Spin To Win Sweepstakes!
The 034SPI Mobile App is only available on vehicles with Dynamic+ Tuning installed. You must purchase Dynamic+ Tuning for your Audi or Volkswagen to access the Dynamic+ Flashing Suite and 034SPI Mobile Application.

Brand:
034Motorsport - Corporate Logo
ES#:
4684889
Mfg#:
034-103-3306
EO#:
D-850
In Stock
$180.00 USD
Free Shipping
ES#5457523 - IESOVN11 - IE MQB Performance Tune For MK7/MK7.5 GTI, GLI, & 8V A3 - Unleash up to 462 horsepower in your VW or Audi with IE's flash-at-home ECU tune, featuring quick octane switching, TrueFlex E85 support, and live diagnostics right from your smartphone. - Integrated Engineering - Audi Volkswagen

Unleash up to 462 horsepower in your VW or Audi with IE's flash-at-home ECU tune, featuring quick octane switching, TrueFlex E85 support, and live diagnostics right from your smartphone. 2X Entries For Our Spin To Win Sweepstakes!
Incompatible with 2017+ FWD A3

Brand:
Integrated Engineering - Corporate Logo
ES#:
5457523
Mfg#:
IESOVN11
In Stock
Starting at $499.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3624425 - AP3-VLK-002-DSG - COBB Tuning Accessport V3 With DSG Flashing  - Flash your ECU and TCU and unleash the power your VW was meant to have. - CobbTuning - Audi Volkswagen

Flash your ECU and TCU and unleash the power your VW was meant to have. CARB certified for sale in all 50 states

Brand:
CobbTuning - Corporate Logo
ES#:
3624425
Mfg#:
AP3-VLK-002-DSG
EO#:
D-660-33
Ships in 3 Business Days
$1195.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4370470 - 20TSI-GEN3B-1+DU - Unitronic Performance Software - Stage 1+ - With UniCONNECT+ Cable & DSG Software - Gain up to 65 horsepower and 83 lb-ft of torque on 93 Octane - Unitronic - Audi

Gain up to 65 horsepower and 83 lb-ft of torque on 93 Octane 2X Entries For Our Spin To Win Sweepstakes!
This tune can be performed at home with the included UniCONNECT+ cable. Only available for purchase in th

Brand:
Unitronic - Corporate Logo
ES#:
4370470
Mfg#:
20TSI-GEN3B-1+DU
In Stock
$1314.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4370468 - 20TSI-GEN3B-1D-U - Unitronic Performance Software - Stage 1 - With UniCONNECT+ Cable & DSG Software - Gain up to 43 horsepower and 69 lb-ft of torque on 91 Octane - Unitronic - Audi

Gain up to 43 horsepower and 69 lb-ft of torque on 91 Octane 2X Entries For Our Spin To Win Sweepstakes!
This tune can be performed at home with the included UniCONNECT+ cable. Only available for purchase in th

Brand:
Unitronic - Corporate Logo
ES#:
4370468
Mfg#:
20TSI-GEN3B-1D-U
In Stock
$1264.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#5456931 - SW300001-02 - APR Stage 2 AWD Controller Software for Gen 5 Haldex - Unleash the true potential of your Gen 5 Haldex system with increased clamping pressure for maximum traction and faster launches. - APR - Audi Volkswagen

Unleash the true potential of your Gen 5 Haldex system with increased clamping pressure for maximum traction and faster launches. Call In Or Chat For Best Price! 5X Entries For Our Spin To Win Sweepstakes!
This upgrade must be performed at ECS Tuning

Brand:
APR - Corporate Logo
ES#:
5456931
Mfg#:
SW300001-02
In Stock
$549.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#5456929 - SW300001-01 - APR Stage 1 AWD Controller Software for Gen 5 Haldex - Optimized clutch pressure and proactive torque transfer for improved traction and acceleration. - APR - Audi Volkswagen

Optimized clutch pressure and proactive torque transfer for improved traction and acceleration. Call In Or Chat For Best Price! 5X Entries For Our Spin To Win Sweepstakes!

Brand:
APR - Corporate Logo
ES#:
5456929
Mfg#:
SW300001-01
In Stock
$449.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

An advanced, all-in-one vehicle interface designed for high-speed scanning, diagnosing, and custom tuning across thousands of makes and models. Includes enough credits to license the vehicle for a TCU tune.

Brand:
HP Tuners - Corporate Logo
ES#:
5445214
Mfg#:
MPVI4
Ships in 4 Business Days
$399.99 USD

Offers smoother and quicker shifts and a higher torque limit thanks to increased clamping pressure This upgrade requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next business day.

Brand:
Tunezilla - Corporate Logo
ES#:
4349038
Mfg#:
DG250-DSG-TUNE
Ships in 8 Business Days
$399.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4370469 - 20TSI-GEN3B-1+D - Unitronic Performance Software - Stage 1+ - With DSG Software - Gain up to 65 horsepower and 83 lb-ft of torque on 93 Octane - Unitronic - Audi

Gain up to 65 horsepower and 83 lb-ft of torque on 93 Octane 2X Entries For Our Spin To Win Sweepstakes!
This tune requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next

Brand:
Unitronic - Corporate Logo
ES#:
4370469
Mfg#:
20TSI-GEN3B-1+D
In Stock
12% off MSRP

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

$1300.00

This product was last offered at the strikethrough price on
11-09-2026

$1150.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4370467 - 20TSI-GEN3B-1D - Unitronic Performance Software - Stage 1- With DSG Software - Gain up to 43 horsepower and 69 lb-ft of torque on 91 Octane - Unitronic - Audi

Gain up to 43 horsepower and 69 lb-ft of torque on 91 Octane 2X Entries For Our Spin To Win Sweepstakes!
This tune requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next

Brand:
Unitronic - Corporate Logo
ES#:
4370467
Mfg#:
20TSI-GEN3B-1D
In Stock
12% off MSRP

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

$1250.00

This product was last offered at the strikethrough price on
11-09-2026

$1100.00 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.

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