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Audi A3 Quattro 2.0T Performance ECU Software / Tuning

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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 4 Business Days
$249.00 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 26, 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#5339748 - JB4-GEN1-TSI - Burger Motorsports JB4 Tuner *Scratch And Dent* - Plug & play power  Gains starting at 25bhp/50lb-ft on a stock car! - Scratch & Dent - Audi Volkswagen

Plug & play power — Gains starting at 25bhp/50lb-ft on a stock car! ALL SALES FINAL. ITEMS MAY BE DAMAGED OR MISSING COMPONENTS. PLEASE SEE IMAGES BEFORE PURCHASING. Want To Haggle? Give Us A Call Or Chat To Make An Offer On This Product! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Scratch & Dent - Corporate Logo
ES#:
5339748
Mfg#:
JB4-GEN1-TSI
In Stock
ON SALE! SAVE 12%
$479.00

This product was last offered at the strikethrough price on
05-02-2026

$421.52 USD
Free Shipping
on orders $49 and up
ES#4338976 - 901503 - RaceChip GTS - Get up to +54 hp and +60 lb-ft through a safe and easy to use tuning module from RaceChip - Race Chip - Audi Volkswagen

Get up to +54 hp and +60 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#:
4338976
Mfg#:
901503
Ships in 4 Business Days
$499.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Average gain of 57 horsepower and 88 lb-ft of torque on 93 Octane @ 18 PSI with Exhaust upgrade affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Tunezilla - Corporate Logo
ES#:
3097362
Mfg#:
TSI-20T-2
Ships in 8 Business Days
$649.00 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.

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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