Get up to +31 hp and +55 lb-ft through a safe and easy to use app-controlled tuning module from RaceChip
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
4339169
Mfg#:
909912
Ships in 3 Business Days
ON SALE!
SAVE 10%
$379.00
This product was last offered at the strikethrough price on 07-01-2026
Get up to +39 hp and +55 lb-ft through a safe and easy to use app-controlled tuning module from RaceChip
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
4339294
Mfg#:
914762
Ships in 3 Business Days
ON SALE!
SAVE 10%
$379.00
This product was last offered at the strikethrough price on 07-01-2026
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 must be performed at ECS Tuning's facility in Ohio.
Plug-and-play performance solution - Enjoy additional HP and Torque without voiding warranty!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
3558878
Mfg#:
CW02092
In Stock
Limited Qty Sale
$449.99
This product was last offered at the strikethrough price on 05-02-2026
Get up to +40 hp and +50 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:
ES#:
4339158
Mfg#:
909641
In Stock
ON SALE!
SAVE 10%
$349.00
This product was last offered at the strikethrough price on 07-01-2026
Get up to +44 hp and +55 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:
ES#:
4339006
Mfg#:
902381
Ships in 3 Business Days
ON SALE!
SAVE 10%
$349.00
This product was last offered at the strikethrough price on 07-01-2026
Unleash the potential of your build with the Pro version, adding Stage 2 support and aggressive features and high-torque files.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
Choose the stage that meets your power goals!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Buy Unitronic Software 6/22/26 - 7/10/26 for a chance to win your Software & UniCONNECT+ Cable for FREE! This tune requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next For vehicles with BEW engine code only
Choose the stage that meets your power goals!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Buy Unitronic Software 6/22/26 - 7/10/26 for a chance to win your Software & UniCONNECT+ Cable for FREE! This tune requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next For vehicles with BRM engine code only
See up to 386 horsepower on 93 octane fuel!
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 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 For vehicles with FSI engines only. Ship your ECU for free, or drive your vehicle to our location
Enhance your tune with true on-the-fly adjustability—directly from your smartphone.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Buy Unitronic Software 6/22/26 - 7/10/26 for a chance to win your Software & UniCONNECT+ Cable for FREE!
Get up to +31 hp and +51 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:
ES#:
4339492
Mfg#:
918351
In Stock
ON SALE!
SAVE 10%
$329.00
This product was last offered at the strikethrough price on 07-01-2026
Get up to +39 hp and +55 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:
ES#:
4339293
Mfg#:
914761
Ships in 3 Business Days
ON SALE!
SAVE 10%
$329.00
This product was last offered at the strikethrough price on 07-01-2026
Get up to +31 hp and +55 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:
ES#:
4339168
Mfg#:
909911
Ships in 3 Business Days
ON SALE!
SAVE 10%
$329.00
This product was last offered at the strikethrough price on 07-01-2026
Standalone tune for Dynamic Idle, Idle RPM change, Left-foot-brake fix, Glow plug duration increase, Hot-start fix, or all the above
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Only to be purchased individually. For vehicles from the 2000 model year only.
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.
Other Volkswagen Performance ECU Software / Tuning
Lifetime Replacement
