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

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ES#4759009 - EM100040 - APR Ultralink At-Home Tuning Cable - 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! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
Only available for purchase in the United States and Canada.

Brand:
APR - Corporate Logo
ES#:
4759009
Mfg#:
EM100040
In Stock
$139.95 USD
Free Shipping
ES#4727518 - EM100039 - APR Remote Tuning Service Install Cable - APR can now remotely tune you car from anywhere in the world! Simply purchase the APR RTS Install Cable and setup a remote tuning session with APR or participating APR Dealer. - APR - Audi Volkswagen Porsche

APR can now remotely tune you car from anywhere in the world! Simply purchase the APR RTS Install Cable and setup a remote tuning session with APR or participating APR Dealer. Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
Tuning must be performed by APR or a participating dealer. ECS Tuning does not offer the APR Remote Tuning Service at this time.

Brand:
APR - Corporate Logo
ES#:
4727518
Mfg#:
EM100039
In Stock
$163.95 USD
Free Shipping
ES#4369224 - 18TSI-IS12-1+D-U - Unitronic Performance Software - Stage 1+ - With UniCONNECT+ Cable & DSG Software - Gain up to 84 horsepower and 108 lb-ft of torque on 93 Octane - Unitronic - Audi Volkswagen

Gain up to 84 horsepower and 108 lb-ft of torque on 93 Octane affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
This tune can be performed at home with the included UniCONNECT+ cable. Only available for purchase in th

Brand:
Unitronic - Corporate Logo
ES#:
4369224
Mfg#:
18TSI-IS12-1+D-U
Ships in 8 Business Days
$1314.99 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. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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 1 Business Day
$1195.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4656989 - IESOVN44DSG - IS38 Turbo IE Performance ECU Tune - Includes DSG Tune & POWERlink Cable - Average gain of 198 horsepower and 183 lb-ft of torque on 91 Octane - Integrated Engineering - Audi Volkswagen

Average gain of 198 horsepower and 183 lb-ft of torque on 91 Octane affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
Perform tune in minutes from the comfort of your own driveway! Only available for purchase in the United States and Canada.

Brand:
Integrated Engineering - Corporate Logo
ES#:
4656989
Mfg#:
IESOVN44DSG
In Stock
$1777.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4369222 - 18TSI-IS12-1D-UC - Unitronic Performance Software - Stage 1 - With UniCONNECT+ Cable & DSG Software - Gain up to 72 horsepower and 88 lb-ft of torque on 91 Octane - Unitronic - Audi Volkswagen

Gain up to 72 horsepower and 88 lb-ft of torque on 91 Octane affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
This tune can be performed at home with the included UniCONNECT+ cable. Only available for purchase in th

Brand:
Unitronic - Corporate Logo
ES#:
4369222
Mfg#:
18TSI-IS12-1D-UC
Ships in 8 Business Days
$1264.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4759403 - VLK0020010-DSG - COBB Stage 1 Power Package With DSG / S-Tronic Flashing  - Flash your ECU, TCU, and add a high-flow Cobb filter to unleash the power your VW/Audi was meant to have! - CobbTuning - Audi Volkswagen

Flash your ECU, TCU, and add a high-flow Cobb filter to unleash the power your VW/Audi was meant to have! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CobbTuning - Corporate Logo
ES#:
4759403
Mfg#:
VLK0020010-DSG
Ships in 3 Business Days
$1225.00 USD
Free Shipping
ES#4369230 - 18TSI-IS38-2+D-U - Unitronic Performance Software - Stage 2+ IS38 - With UniCONNECT+ Cable & DSG Software - Gain up to 182 horsepower and 139 lb-ft of torque on 93 Octane - Unitronic - Audi Volkswagen

Gain up to 182 horsepower and 139 lb-ft of torque on 93 Octane affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
This tune can be performed at home with the included UniCONNECT+ cable. Only available for purchase in th
Requires IS38 Turbo Upgrade in addition to other hardware upgrades. Please see description for details.

Brand:
Unitronic - Corporate Logo
ES#:
4369230
Mfg#:
18TSI-IS38-2+D-U
Ships in 8 Business Days
$1714.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4369228 - 18TSI-IS20-2D-UC - Unitronic Performance Software - Stage 2 IS20 - With UniCONNECT+ Cable & DSG Software - Gain up to 131 horsepower and 125 lb-ft of torque on 93 Octane - Unitronic - Audi Volkswagen

Gain up to 131 horsepower and 125 lb-ft of torque on 93 Octane affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
This tune can be performed at home with the included UniCONNECT+ cable. Only available for purchase in th
Requires IS20 Turbo Upgrade in addition to other hardware upgrades. Please see description for details.

Brand:
Unitronic - Corporate Logo
ES#:
4369228
Mfg#:
18TSI-IS20-2D-UC
Ships in 8 Business Days
$1564.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4759413 - VLK0020010FF-DSG - COBB Stage 1 + Flex Fuel Power Package With DSG / S-Tronic Flashing - Flash your ECU, TCU, and add a high-flow Cobb filter to unleash the power your VW/Audi was meant to have! - CobbTuning - Audi Volkswagen

Flash your ECU, TCU, and add a high-flow Cobb filter to unleash the power your VW/Audi was meant to have! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CobbTuning - Corporate Logo
ES#:
4759413
Mfg#:
VLK0020010FF-DSG
Ships in 3 Business Days
$1445.00 USD
Free Shipping
on orders $49 and up
ES#4271502 - iesovn42dsgKT - Stage 2 IE Performance ECU Tune - Includes DSG Tune & POWERlink Cable - Average gain of 111 horsepower and 233 lb-ft of torque on 91 Octane - Integrated Engineering - Audi Volkswagen

Average gain of 111 horsepower and 233 lb-ft of torque on 91 Octane affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
Perform tune in minutes from the comfort of your own driveway! Only available for purchase in the United States and Canada.

Brand:
Integrated Engineering - Corporate Logo
ES#:
4271502
Mfg#:
IESOVN42DSGKT
In Stock
$1427.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4056819 - iesovn41dsg - Stage 1 IE Performance ECU Tune - Includes DSG Tune & POWERlink Cable - Average gain of 68 horsepower and 111 lb-ft of torque - Integrated Engineering - Audi Volkswagen

Average gain of 68 horsepower and 111 lb-ft of torque affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
Perform tune in minutes from the comfort of your own driveway! Only available for purchase in the United States and Canada.

Brand:
Integrated Engineering - Corporate Logo
ES#:
4056819
Mfg#:
IESOVN41DSG
In Stock
$1327.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Optimized clutch pressure and proactive torque transfer for improved traction and acceleration. Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
APR - Corporate Logo
ES#:
5456929
Mfg#:
SW300001-01
Ships on Jul 7, 2026
$449.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Offers smoother and quicker shifts and a higher torque limit thanks to increased clamping pressure affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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 7 Business Days
$399.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4338809 - iesovn43dsg - IS20 Turbo IE Performance ECU Tune - Includes DSG Tune & POWERlink Cable - Average gain of 161 horsepower and 201 lb-ft of torque on 91 Octane - Integrated Engineering - Audi Volkswagen

Average gain of 161 horsepower and 201 lb-ft of torque on 91 Octane affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
Perform tune in minutes from the comfort of your own driveway! Only available for purchase in the United States and Canada.

Brand:
Integrated Engineering - Corporate Logo
ES#:
4338809
Mfg#:
IESOVN43DSG
In Stock
$1627.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4369229 - 18TSI-IS38-2+D - Unitronic Performance Software - Stage 2+ IS38 - With DSG Software - Gain up to 182 horsepower and 139 lb-ft of torque on 93 Octane - Unitronic - Audi Volkswagen

Gain up to 182 horsepower and 139 lb-ft of torque on 93 Octane affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
This tune requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next
Requires IS38 Turbo Upgrade in addition to other hardware upgrades. Please see description for details.

Brand:
Unitronic - Corporate Logo
ES#:
4369229
Mfg#:
18TSI-IS38-2+D
In Stock
9% off MSRP

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

$1700.00

This product was last offered at the strikethrough price on
06-10-2026

$1550.00 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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