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APR ECU Upgrade - 1.8T EA888 Gen 3 MGT (Transverse)
Unlock hidden horsepower and torque with our performance tuning software for your vehicle's Engine Control Unit (ECU).
PART# ECU-18T-EA888-3-T-MGT
Overview
Features:
- Horsepower - More horsepower throughout the whole rpm band
- Torque - More torque throughout the whole rpm band
- Warranty - APR Plus is available, providing a factory term limit matching limited powertrain warranty
- Fuel Grades - Multiple octanes from which to choose
- Acceleration - Accelerate faster with more power and reduced throttle lag
- Brake Boosting - Left foot braking or brake boosting added
- Speed Limiter - Go as fast as you want with the speed limiter out of the way
- Economy - While cruising, or driving normally, your fuel economy may benefit from our optimized calibration
- Direct Port Programming - Clean and easy install through the OBD II port without removing the ECU
- Free Updates - Get free updates for life
- Guarantee - 30 day money back guarantee
Specs
Brand | APR |
---|---|
Emission Code | 1 |
Engine Aspiration | Turbocharged |
Engine Configuration | I4 |
Engine Displacement | 1.8L |
Engine Family | EA888 Gen 3 MGT |
Engine Orientation | Transverse |
Fuel Type | Gasoline |
Market | NAR |
ROW | |
Product Type | ECU Upgrade |
Part Number | ECU-18T-EA888-3-T-MGT |
Emissions
This part is legal for sale and use on Emissions Controlled Vehicles, in all 50 states, when used in accordance with the manufacturers application guide because it has a California Air Resources Board (CARB) Executive Order (EO) number.
The following vehicles are considered Emissions Controlled Vehicles:
- 1966 and newer U.S. manufactured California Certified vehicles
- 1968 and newer U.S. manufactured Federally Certified vehicles
- 1968 and newer Foreign manufactured vehicle
APR ECU Upgrade Stages
APR’s ECU Upgrades are available in multiple octanes levels. Each stage is fully compatible with an upgraded intake, catback exhaust, or other minor bolt on modifications.
APR Plus
The APR Plus ECU Upgrade includes a factory term limit matching limited powertrain warranty, and is the first step towards making more power! This simple upgrade requires no engine hardware modifications and produces 223 HP with 267 FT-LBS of torque. To get more power, the vehicle can be outfitted with an upgraded intake, catback exhaust, and various other bolt-on modifications all without requiring any new modifications to the ECU.
APR Plus is available for 87 AKI and is only available in the USA.
APR Stage 1
The APR Stage 1 ECU Upgrade is the first step towards making more power! This simple upgrade requires no engine hardware modifications and produces 223-242 HP with 267-293 FT-LBS of torque. To get more power, the vehicle can be outfitted with an upgraded intake, catback exhaust, and various other bolt-on modifications all without requiring any new modifications to the ECU.
APR Stage 1 is available for 87 AKI, 91 AKI, and 93 AKI in North America, and 91 RON, 95 RON, and 98 RON in the Rest of the World.
APR Stage 2
The APR Stage 2 ECU Upgrade is the next step towards making more power! This simple upgrade requires only an exhaust system and other engine hardware modifications and produces 244-250 HP with 303-315 FT-LBS of torque. To get more power, the vehicle can be outfitted with an upgraded intake, and various other bolt-on modifications all without requiring any new modifications to the ECU.
APR Stage 2 is available for 91 AKI, and 93 AKI in North America, and 95 RON, and 98 RON in the Rest of the World.
Horsepower and Torque Dyno Charts
Select a Dyno | Select a Dyno Type |
---|---|

APR Calibration Report
Stage | HP | TQ | Max Gain | Max Gain |
---|---|---|---|---|
Stock As Reported by VAG | 170 HP | 184 FT-LBS | ||
Stock As Measured by APR | 191 HP | 203 FT-LBS | ||
APR Plus | ||||
87 AKI | 223 HP | 267 FT-LBS | +47 HP | +73 FT-LBS |
Stage 1 | ||||
87 AKI | 223 HP | 267 FT-LBS | +47 HP | +73 FT-LBS |
91 AKI / 95 RON | 238 HP | 283 FT-LBS | +60 HP | +89 FT-LBS |
93 AKI / 98 RON | 242 HP | 293 FT-LBS | +68 HP | +99 FT-LBS |
Stage 2 | ||||
91 AKI / 95 RON | 244 HP | 303 FT-LBS | +70 HP | +109 FT-LBS |
93 AKI / 98 RON | 250 HP | 315 FT-LBS | +78 HP | +121 FT-LBS |
Only use fuel equal to or higher than specified. Never use a lower octane fuel. Always follow our fuel guide, especially with race fuel and Ethanol, where available. Dynos are for reference only. Results will vary. Contributing factors include the vehicle condition, vehicle setup, dyno type, dyno setup, environmental factors, fuel quality, and more. When describing fuels, the North American Region (NAR) uses the Anti-Knock Index (AKI), (RON+MON)/2, or (R+M)/2. The Rest of the World (ROW) uses RON. RON is Research Octane Number and MON is Motor Octane Number.
2014 Jetta 5MT | 0-60 MPH | 0-62 MPH | 0-100 KPH | 0-100 MPH | 60-120 MPH | 62-124 MPH | 100-200 KPH | 60-130 MPH | 30-130 MPH |
---|---|---|---|---|---|---|---|---|---|
Stock | 7.445 | 7.983 | 8.011 | 18.575 | 24.001 | 27.314 | 28.130 | ||
APR Stage 1 (93 AKI) | 6.789 | 7.280 | 7.311 | 14.942 | 16.507 | 18.180 | 18.294 | 22.158 | 25.554 |
Seconds Faster | 0.657 | 0.702 | 0.700 | 3.633 | 7.494 | 9.134 | 9.845 | ||
Percent Faster | 8.82% | 8.80% | 8.74% | 19.56% | 31.22% | 33.44% | 34.99% |
Acceleration Testing
Drag Strip
The APR Difference

Who we are - We’re a global automotive engineering firm nestled in Opelika, Alabama. Our 80,000ft² state-of-the-art facility is home to some of the best engineers in the industry, who have mastered hundreds of engine management systems. We have multiple engine and chassis dynos, and the resources necessary to create our ECU Upgrades in-house, from the ground up! We're not a new company either. We've been around since the 90's and we have a strong financial backing to ensure we'll be here to support you for decades to come!
What we do - We optimize everything to make your engine more powerful. We adjust air-fuel ratios, advance ignition, increase boost pressure, alter cam positions and lift profiles, and more, all depending on the type of engine and management system, of course! We don’t take shortcuts, and we don’t take risks. We do it the right way.
How we differ - With our proprietary calibration and direct ram access data logging tools and operating system code changes, we’re able to make some of the strongest and fastest ECU upgrades, without needing costly end user adjustments. We work with the ECUs intelligent modeling and closed-loop systems, and beta test in multiple environments to create upgrades that work no matter where you drive!
APR Software Pricing Guide
Our performance software upgrade is available in multiple stages with optional features.
APR Plus | |
---|---|
APR Plus ECU Upgrade | $999.95 |
APR Stage 1 | |
APR Stage 1 ECU Upgrade | $499.95 |
APR Stage 1 ECU Upgrade from APR Plus | FREE |
APR Stage 2 | |
APR Stage 2 ECU Upgrade | DISCONTINUED |
APR Stage 1 ECU Upgrade from APR Plus or Stage 1 | DISCONTINUED |
Purchasing, Guarantee, and Updates
How to Purchase - APR Software Upgrades are only available through Authorized APR Dealers. The dealer will connect to your vehicle, and install the update.¹
Money-Back Guarantee - Try our Software Upgrades for up to 30 days, risk free! If you are not satisfied, return to an APR Dealer to have it removed and refunded.²
Free Updates - If we make an update, add a standard feature, or if the manufacturer issues an update, you are entitled to a free update.³
1. APR Software may not be available for all vehicles. Stages, programs, and features may not be available for all ECUs.
2. Excludes some Software Upgrades, such as those included with a hardware purchase. Labor charges are at the discretion of the installer.
3. Subject to availability. Labor charges are at the discretion of the installer. Applicable to the original purchaser. Second hand owners may inquire with an APR Dealer about a software license transfer fee.
Tech Resources
Important fuel quality information
Find your boxcode and revision
APR Plus Warranty Booklet
Applications
*Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages.
Some parts are not legal for use in California or other states with similar regulations.