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Audi A3 Performance ECU Software / Tuning

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Required software to properly upgrade to a K04 turbocharger 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!
This upgrade must be performed at ECS Tuning's facility in Ohio.
For vehicles with TSI engines only. Ship your ECU for free, or drive your vehicle to our location

Brand:
APR - Corporate Logo
ES#:
2776628
Mfg#:
PA100007
In Stock
$249.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#3411787 - 18tis38KT - Performance Software For IS38 Turbo Upgrade - For customers WITH APR Stage 1, moving to the IS38 turbocharger upgrade. - APR - Audi Volkswagen

For customers WITH APR Stage 1, moving to the IS38 turbocharger upgrade. 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!
This upgrade must be performed at ECS Tuning's facility in Ohio.

Brand:
APR - Corporate Logo
ES#:
3411787
Mfg#:
18TIS38KT
In Stock
$249.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4339292 - 914760 - RaceChip S - Get up to +32 hp and +45 lb-ft through a safe and easy to use tuning module from RaceChip - Race Chip - Audi Volkswagen

Get up to +32 hp and +45 lb-ft through a safe and easy to use tuning module from RaceChip affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Race Chip - Corporate Logo
ES#:
4339292
Mfg#:
914760
Ships in 3 Business Days
$249.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4339157 - 909640 - RaceChip S - Get up to +34 hp and +41 lb-ft through a safe and easy to use tuning module from Racechip - Race Chip - Audi Volkswagen

Get up to +34 hp and +41 lb-ft through a safe and easy to use tuning module from Racechip affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Race Chip - Corporate Logo
ES#:
4339157
Mfg#:
909640
Ships in 3 Business Days
$249.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4339014 - 902980 - RaceChip S - Get up to +37 hp and +45 lb-ft through a safe and easy to use tuning module from RaceChip - Race Chip - Audi

Get up to +37 hp and +45 lb-ft through a safe and easy to use tuning module from RaceChip affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Race Chip - Corporate Logo
ES#:
4339014
Mfg#:
902980
Ships in 3 Business Days
$249.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4339167 - 909910 - RaceChip S - Get up to +25 hp and +45 lb-ft through a safe and easy to use tuning module from RaceChip - Race Chip - Audi Volkswagen

Get up to +25 hp and +45 lb-ft through a safe and easy to use tuning module from RaceChip affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Race Chip - Corporate Logo
ES#:
4339167
Mfg#:
909910
Ships in 3 Business Days
$249.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4339063 - 905570 - RaceChip S - Get up to +50 hp and +49 lb-ft through a safe and easy to use tuning module from RaceChip - Race Chip - Audi Volkswagen

Get up to +50 hp and +49 lb-ft through a safe and easy to use tuning module from RaceChip affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Race Chip - Corporate Logo
ES#:
4339063
Mfg#:
905570
Ships in 3 Business Days
$249.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3508685 - Data-Cable-E - BMS Data Cable - Unleash your JB's full potential! - Burger Motorsports - Audi Volkswagen

Unleash your JB's full potential! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For use with JB1 only

Brand:
Burger Motorsports - Corporate Logo
ES#:
3508685
Mfg#:
DATA-CABLE-E
Ships in 1 Business Day
$40.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2063652 - APRTHEFT-SRV - Anti-Theft Service - *Sale applies only to ECU with 3 or 4 program purchase. - APR - Audi Volkswagen

*Sale applies only to ECU with 3 or 4 program purchase. 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!
This upgrade must be performed at ECS Tuning's facility in Ohio.

Brand:
APR - Corporate Logo
ES#:
2063652
Mfg#:
APRTHEFT-SRV
In Stock
$199.00 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#4714892 - JB4-OBDII-CA-MC  - JB4 OBDII Cable - With JB4 side Repair Harness - Replacement JB4 OBDII cable suitable for use in all applications where the JB4 attaches to the OBDII port under the dash. Includes JB4 side repair harness molex pigtail. - Burger Motorsports - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Replacement JB4 OBDII cable suitable for use in all applications where the JB4 attaches to the OBDII port under the dash. Includes JB4 side repair harness molex pigtail. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Burger Motorsports - Corporate Logo
ES#:
4714892
Mfg#:
JB4-OBDII-CA-MC
Ships on Jun 19, 2026
$30.00 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#2063654 - APRSECPRG-SRV - Security Lockout Service - *Sale only applies to purchases to ECU with 3 or 4 program options - APR - Audi Volkswagen

*Sale only applies to purchases to ECU with 3 or 4 program options 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!
This upgrade must be performed at ECS Tuning's facility in Ohio.

Brand:
APR - Corporate Logo
ES#:
2063654
Mfg#:
APRSECPRG-SRV
In Stock
$59.00 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#1303020 - 20TCCTASTG4CHP - Stage I Performance Chip - 4 Programs - APR's ECU Upgrade is the best power per dollar modification for your TSI engine out there - APR - Audi

APR's ECU Upgrade is the best power per dollar modification for your TSI engine out there 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!
This upgrade must be performed at ECS Tuning's facility in Ohio.
254hp/297lb-ft (93 octane) --- 250HP/294TQ (91 Octane). This upgrade can only be performed with the car present at our facility.

Brand:
APR - Corporate Logo
ES#:
1303020
Mfg#:
20TCCTASTG4CHP
In Stock
$899.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3411790 - 18TIS20KT1 - Performance Software For IS20 Turbo Upgrade - For customers WITHOUT APR Stage 1, moving to the IS20 turbocharger upgrade - APR - Audi Volkswagen

For customers WITHOUT APR Stage 1, moving to the IS20 turbocharger upgrade 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!
This upgrade must be performed at ECS Tuning's facility in Ohio.

Brand:
APR - Corporate Logo
ES#:
3411790
Mfg#:
18TIS20KT1
In Stock
$849.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3411789 - 18TIS20KT - Performance Software For IS20 Turbo Upgrade - For customers WITH APR Stage 1, moving to the IS20 turbocharger upgrade. - APR - Audi Volkswagen

For customers WITH APR Stage 1, moving to the IS20 turbocharger upgrade. 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!
This upgrade must be performed at ECS Tuning's facility in Ohio.

Brand:
APR - Corporate Logo
ES#:
3411789
Mfg#:
18TIS20KT
In Stock
$249.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3411788 - 18TIS38KT1 - Performance Software For IS38 Turbo Upgrade - For customers WITHOUT APR Stage 1, moving to the IS38 turbocharger upgrade. - APR - Audi Volkswagen

For customers WITHOUT APR Stage 1, moving to the IS38 turbocharger upgrade. 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!
This upgrade must be performed at ECS Tuning's facility in Ohio.

Brand:
APR - Corporate Logo
ES#:
3411788
Mfg#:
18TIS38KT1
In Stock
$749.99 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

More About Performance ECU Software / Tuning

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

Let us help you find the parts that fit your Audi

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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