For customers that already have APR software on their car and are upgrading to a K04
Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes! This upgrade must be performed at ECS Tuning's facility in Ohio.
Brand:
ES#:
2063666
Mfg#:
APRKO4TRV-SWUSRV
In Stock
ON SALE!
SAVE 45%
$325.99
This product was last offered at the strikethrough price on 07-31-2026
*Sale applies only to ECU with 3 or 4 program purchase.
Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes! 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 07-31-2026
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
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
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! 5X Entries For Our 25th Anniversary Sweepstakes! 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 07-31-2026
Upgrade any tune with Dynamic Idle, Idle RPM change, Glow plug duration increase, or all the above
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 08-04-2026
Upgrade any tune with Dynamic Idle, Idle RPM change, Glow plug duration increase, or all the above
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 08-04-2026
Average gain of 43 horsepower and 34 lb-ft of torque
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
Power results vary depending on your requirements. For engine code ALH up to 2003
Requires upgraded fuel injectors, VCDS logging recommended. For vehicles from the 2000 model year only. Vehicles older than 2000 require ECU removal and
Upgrade any tune with Dynamic Idle, Idle RPM change, Glow plug duration increase, or all the above
Only to be purchased in conjunction with another tune
Brand:
ES#:
2952181
Mfg#:
PD-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 08-04-2026
Average gain of 32 horsepower and 34 lb-ft of torque. For engine code ALH up to 2003
Requires upgraded fuel injectors. For vehicles from the 2000 model year only. Vehicles older than 2000 require ECU removal and physical chip swapping and
Upgrade offers an excellent 15-30% gain in peak torque and horsepower over the factory output.
Call In Or Chat For Best Price! 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
Brand:
ES#:
2795742
Mfg#:
MKIV19DSLSFTKT
Ships in 1-2 days
ON SALE!
SAVE 10%
$616.99
This product was last offered at the strikethrough price on 07-31-2026
All the performance ECU/TCU upgrade options from the best brands in the business to help build your dreams. Our performance parts catalog is the largest anywhere and constantly growing to keep your build on track.
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