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Volkswagen Golf Performance ECU Software / Tuning

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ES#4369221 - 18TSI-IS12-1D - Unitronic Performance Software - Stage 1 - With DSG Software - Gain up to 72 horsepower and 88 lb-ft of torque on 91 Octane - Unitronic - Audi Volkswagen

Gain up to 72 horsepower and 88 lb-ft of torque on 91 Octane 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

Brand:
Unitronic - Corporate Logo
ES#:
4369221
Mfg#:
18TSI-IS12-1D
In Stock
ON SALE! SAVE 14%
$1100.00

This product was last offered at the strikethrough price on
06-22-2026

$950.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4381800 - 20TDIMQB - Unitronic Performance Software - Flashed @ ECS - Choose the stage that meets your power goals! - Unitronic - Audi Volkswagen

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

Brand:
Unitronic - Corporate Logo
ES#:
4381800
Mfg#:
20TDIMQB
In Stock
ON SALE!
Starting at $450.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4368651 - 18TSI-IS12-1 - Unitronic Performance Software - Stage 1 - Gain up to 72 horsepower and 88 lb-ft of torque on 91 Octane - Unitronic - Audi Volkswagen

Gain up to 72 horsepower and 88 lb-ft of torque on 91 Octane 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

Brand:
Unitronic - Corporate Logo
ES#:
4368651
Mfg#:
18TSI-IS12-1
In Stock
ON SALE! SAVE 19%
$800.00

This product was last offered at the strikethrough price on
06-22-2026

$650.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4369225 - 18TSI-IS12-2D - Unitronic Performance Software - Stage 2 - With DSG Software - Gain up to 87 horsepower and 106 lb-ft of torque on 93 Octane - Unitronic - Audi Volkswagen

Gain up to 87 horsepower and 106 lb-ft of torque on 93 Octane 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
Requires Unitronic 3 Inch Downpipe

Brand:
Unitronic - Corporate Logo
ES#:
4369225
Mfg#:
18TSI-IS12-2D
In Stock
ON SALE! SAVE 12%
$1300.00

This product was last offered at the strikethrough price on
06-22-2026

$1150.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4877245 - 034-103-282 - MK7/7.5 VW Golf / Sportwagen / Alltrack EA888.3 1.8T Dynamic+ Performance Software Package - Unleash up to 261HP/322TQ by transforming your VW/Audi MQB 1.8T with Dynamic+ Tuning - delivering ultimate power, drivability, reliability, and enhanced features! - 034Motorsport - Volkswagen

Unleash up to 261HP/322TQ by transforming your VW/Audi MQB 1.8T with Dynamic+ Tuning - delivering ultimate power, drivability, reliability, and enhanced features! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For 4Motion models only

Brand:
034Motorsport - Corporate Logo
ES#:
4877245
Mfg#:
034-103-282
Ships in 1 Business Day
ON SALE!
Starting at $162.00 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#2951979 - ve-tdi-004.5KT - Stage 4 - Clutch Saver - With FlashZilla V3 - Average gain of 43 horsepower and 34 lb-ft of torque - Tunezilla - Volkswagen

Average gain of 43 horsepower and 34 lb-ft of torque affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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

Brand:
Tunezilla - Corporate Logo
ES#:
2951979
Mfg#:
VE-TDI-004.5KT
Ships in 7 Business Days
$639.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2951996 - pd-tdi-004KT - Stage 4 - With FlashZilla V3 - Average gain of 60 horsepower and 85 lb-ft of torque - Tunezilla - Volkswagen

Average gain of 60 horsepower and 85 lb-ft of torque affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Requires VNT-17 turbo upgrade, 3.0 bar MAP sensor

Brand:
Tunezilla - Corporate Logo
ES#:
2951996
Mfg#:
PD-TDI-004KT
Ships in 7 Business Days
$689.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2951977 - ve-tdi-003-csKT - Stage 3 Custom - With FlashZilla V3 - Power results vary depending on your requirements. For engine code ALH up to 2003 - Tunezilla - Volkswagen

Power results vary depending on your requirements. For engine code ALH up to 2003 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Requires upgraded fuel injectors, VCDS logging recommended. For vehicles from the 2000 model year only. Vehicles older than 2000 require ECU removal and

Brand:
Tunezilla - Corporate Logo
ES#:
2951977
Mfg#:
VE-TDI-003-CSKT
Ships in 7 Business Days
$539.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2952181 - PD-TDI-UPD-FZ - PD TDI Feature Upgrade Tune - For Use With FlashZilla V3 - Upgrade any tune with Dynamic Idle, Idle RPM change, Glow plug duration increase, or all the above - Tunezilla - Volkswagen

Upgrade any tune with Dynamic Idle, Idle RPM change, Glow plug duration increase, or all the above affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Only to be purchased in conjunction with another tune

Brand:
Tunezilla - Corporate Logo
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
07-04-2026

$50.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Average gain of 50 horsepower and 85 lb-ft of torque affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Requires CR 170 turbo upgrade, vehicles equipped with DSG transmission require a DSG tune, clutch upgrade recommended for vehicles with manual transmissi

Brand:
Tunezilla - Corporate Logo
ES#:
2917801
Mfg#:
CR-TDI-G-003
Ships in 7 Business Days
$649.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Choose the stage that meets your power goals! DSG and Haldex tunes are also available. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Tunezilla - Corporate Logo
ES#:
4750200
Mfg#:
TZ-18T-MQB-AWD
Ships in 7 Business Days
Starting at $688.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Average gain of 15 horsepower and 13 lb-ft of torque on 93 Octane affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Tunezilla - Corporate Logo
ES#:
3097337
Mfg#:
25-170-1.5
Ships in 7 Business Days
$349.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Average gain of 32 horsepower and 34 lb-ft of torque. For engine code ALH up to 2003 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Requires upgraded fuel injectors. For vehicles from the 2000 model year only. Vehicles older than 2000 require ECU removal and physical chip swapping and

Brand:
Tunezilla - Corporate Logo
ES#:
2917821
Mfg#:
VE-TDI-001.5
Ships in 7 Business Days
$399.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Average gain of 28 horsepower and 53 lb-ft of torque affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Tunezilla - Corporate Logo
ES#:
3247333
Mfg#:
CR-TDI-150-002
Ships in 7 Business Days
$549.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2795742 - MKIV19DSLSFTKT - 1.9L Diesel Performance Software Program - Upgrade offers an excellent 15-30% gain in peak torque and horsepower over the factory output. - APR - Volkswagen

Upgrade offers an excellent 15-30% gain in peak torque and horsepower over the factory output. 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

Brand:
APR - Corporate Logo
ES#:
2795742
Mfg#:
MKIV19DSLSFTKT
Ships in 1-2 days
$616.99 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.

Let us help you find the parts that fit your Volkswagen

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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