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Audi A4 APR Software

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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#4624165 - EM100050 - APR Throttle Booster  - Wireless Controller with Blutooth Mobile connectivity - APR - Audi Volkswagen Porsche

Wireless Controller with Blutooth Mobile connectivity 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#:
4624165
Mfg#:
EM100050
In Stock
11% off MSRP

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

$316.95

This product was last offered at the strikethrough price on
03-13-2026

$280.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

For customers that already have APR software on their car and are upgrading to a K04 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 can be performed via our Chip & Ship method or the vehicle can be brought to ECS Tuning's fa
Ship your ECU for free, or drive your vehicle to our location

Brand:
APR - Corporate Logo
ES#:
3509816
Mfg#:
PA100008
In Stock
$249.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#3659524 - dpp20tk04psKT - K04 Performance Software (New APR Customers) - With Program Switching (Fully Loaded) - Required software to properly upgrade to a K04 turbocharger - APR - Audi Volkswagen

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.
This upgrade can only be performed with the car present at our facility.

Brand:
APR - Corporate Logo
ES#:
3659524
Mfg#:
DPP20TK04PSKT
In Stock
$699.90 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#5235 - 20TSTG1CHIP-1 - Stage 1 Performance Chip - 1 Program - Average gain of 40 HP & 75 LB-FT torque on 93 octane program! - APR - Audi

Average gain of 40 HP & 75 LB-FT torque on 93 octane program! 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 can be performed via our Chip & Ship method or the vehicle can be brought to ECS Tuning's fa
Ship your ECU for free, or drive your vehicle to our location

Brand:
APR - Corporate Logo
ES#:
5235
Mfg#:
20TSTG1CHIP-1
In Stock
$599.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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.
This upgrade can only be performed with the car present at our facility.

Brand:
APR - Corporate Logo
ES#:
2918065
Mfg#:
DPP20TK04PS
In Stock
$599.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#3146864 - DPP-2.0T-MLB-SP - Stage 1 Software Upgrade - Higher peak figures of 306-314 HP with 367-388 FT-LBS of torque depending on fuel grade! - APR - Audi Porsche

Higher peak figures of 306-314 HP with 367-388 FT-LBS of torque depending on fuel grade! 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#:
3146864
Mfg#:
DPP-2.0T-MLB-SP
In Stock
$499.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#514197 - B820TSTG1CHIP-1 -  Stage I Performance Chip - 1 Program - Gains up to 64Hp --- 265hp/327lb-ft (93 octane) - APR - Audi

Gains up to 64Hp --- 265hp/327lb-ft (93 octane) 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.
Up to the 2012 model year.

Brand:
APR - Corporate Logo
ES#:
514197
Mfg#:
B820TSTG1CHIP-1
In Stock
$399.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2792684 - B8.520TSTG1CHP-1 -  Stage I Performance Chip - 1 Program - Gains up to 57HP & 85TQ on 93 Octane, 85HP & 134TQ on E85 - APR - Audi

Gains up to 57HP & 85TQ on 93 Octane, 85HP & 134TQ on E85 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.
From the 2013 model year.

Brand:
APR - Corporate Logo
ES#:
2792684
Mfg#:
B8.520TSTG1CHP-1
In Stock
$399.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Software upgrade for existing APR Chip customers with a K04 already installed - Minimum requirements of K04-0015 turbocharger, Injectors, and high flow cat 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!
For customers with existing APR software - This upgrade must be performed via our Chip & Ship method.

Brand:
APR - Corporate Logo
ES#:
2063664
Mfg#:
APRLNGK04-SWUSRV
In Stock
$369.99 USD
This product is lifetime replacement eligible Lifetime Replacement

For customers that already have APR software on their car and are upgrading to a K04 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 can be performed via our Chip & Ship method or the vehicle can be brought to ECS Tuning's fa
Ship your ECU for free, or drive your vehicle to our location

Brand:
APR - Corporate Logo
ES#:
3509833
Mfg#:
PA100008KT
Back Ordered
$299.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Does not include injectors - Gains of up to 55 HP & 100 LB-FT torque on 93 octane! 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 existing Stage 1 customers upgrading to Stage 1+. Drive your vehicle to our location

Brand:
APR - Corporate Logo
ES#:
2918519
Mfg#:
B6A4STG1UPGRDKT
In Stock
$150.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3690535 - b9a420tstg1KT1 - APR Plus ECU Upgrade  - Higher peak figures of 306 HP with 376 FT-LBS of torque - *with APR PLUS limited powertrain warranty* - APR - Audi Porsche

Higher peak figures of 306 HP with 376 FT-LBS of torque - *with APR PLUS limited powertrain warranty* 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#:
3690535
Mfg#:
B9A420TSTG1KT1
Ships in 1-2 days
$1099.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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