Average gain of 19 horsepower and 14 lb-ft of torque on 93 Octane
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Average gain of 18 horsepower and 22 lb-ft of torque on 93 Octane
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Standalone tune for Dynamic Idle, Idle RPM change, Left-foot-brake fix, Glow plug duration increase, Hot-start fix, or all the above
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply Only to be purchased individually. For vehicles from the 2000 model year only.
Upgrade any tune with Dynamic Idle, Idle RPM change, Glow plug duration increase, or all the above
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply Only to be purchased individually
*Sale applies only to ECU with 3 or 4 program purchase.
Call In Or Chat For Best Price! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply This upgrade must be performed at ECS Tuning's facility in Ohio.
Brand:
ES#:
2063652
Mfg#:
APRTHEFT-SRV
In Stock
ON SALE!
SAVE 10%
$199.00
This product was last offered at the strikethrough price on 09-28-2026
For customers that already have APR software on their car and are upgrading to a K04
Call In Or Chat For Best Price! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply This upgrade must be performed at ECS Tuning's facility in Ohio.
Brand:
ES#:
2063666
Mfg#:
APRKO4TRV-SWUSRV
In Stock
ON SALE!
SAVE 51%
$325.99
This product was last offered at the strikethrough price on 09-28-2026
Upgrade your tune with Launch Control
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply Only to be purchased in conjunction with another tune
Upgrade any tune with Immobilizer Delete
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply Only to be purchased in conjunction with another tune For vehicles from 2004 model year only
Brand:
ES#:
3546629
Mfg#:
IMMODELETE
Ships in 7 Business Days
50% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$199.00
This product was last offered at the strikethrough price on 10-28-2026
Standalone tune for Dynamic Idle, Idle RPM change, Left-foot-brake fix, Glow plug duration increase, P0128 fix, Cruise Control fix or all the above
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply Only to be purchased individually
Standalone tune for Dynamic Idle, Idle RPM change, Left-foot-brake fix, Glow plug duration increase, Hot-start fix, or all the above
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply Only to be purchased individually. For vehicles from the 2000 model year only. Vehicles older than 2000 require ECU removal and physical chip swapping an
*Sale only applies to purchases to ECU with 3 or 4 program options
Call In Or Chat For Best Price! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply This upgrade must be performed at ECS Tuning's facility in Ohio.
Brand:
ES#:
2063654
Mfg#:
APRSECPRG-SRV
In Stock
ON SALE!
SAVE 10%
$59.00
This product was last offered at the strikethrough price on 09-28-2026
Upgrade any tune with Dynamic Idle, Idle RPM change, Glow plug duration increase, or all the above
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply Only to be purchased in conjunction with another tune. For vehicles from the 2000 model year only. Vehicles older than 2000 require ECU removal and physi
Brand:
ES#:
2917831
Mfg#:
VE-TDI-UPD
Ships in 7 Business Days
49% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$99.00
This product was last offered at the strikethrough price on 10-28-2026
Upgrade any tune with Dynamic Idle, Idle RPM change, Glow plug duration increase, or all the above
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply Only to be purchased in conjunction with another tune
Brand:
ES#:
2952170
Mfg#:
VE-TDI-UPD-FZ
Ships in 7 Business Days
49% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$99.00
This product was last offered at the strikethrough price on 10-28-2026
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.
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Average gain of 43 horsepower and 34 lb-ft of torque
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply Requires VNT-17 turbo upgrade, 3.0 bar MAP sensor, and upgraded fuel injectors. For vehicles from the 2000 model year only. Vehicles older than 2000 requ
Average gain of 60 horsepower and 85 lb-ft of torque
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply Requires VNT-17 turbo upgrade, 3.0 bar MAP sensor
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
Volkswagen
Lifetime Replacement
