This article was adapted for drivers and tuning professionals in the United States by Viezu USA. Measurements are shown in US units alongside the originals.
Our VW Golf TFSI (MED17.5) gasoline tuning webinar is packed with practical, insider know-how for enthusiasts and pros who want to grow their skills.
Writing Your Own Map Pack in EVC WinOLS on the VW Golf TFSI (MED17.5)
This session shares expert techniques for tuning one of the most popular models around.
See how the pros build gasoline map packs in WinOLS.
The Viezu Technical Academy's focused, hands-on WinOLS webinar covers the basics of gasoline ECU remapping, map identification and map pack creation. You'll watch our tuning experts work through a real VW Golf 2.0 TFSI MED17.5 project in EVC WinOLS.
New to tuning software or fine-tuning your workflow, you'll get clear technical explanations and real-time guidance from our training team.
Watch the Recording
What You'll Learn
Over a structured one-hour session, we take you through the core steps of handling gasoline calibration data in WinOLS:
- Reading and making sense of the OEM data layout
- Finding and grouping the essential performance maps
- Building a clean, organized map pack for the MED17.5 ECU
We focus on the main map types used in gasoline performance tuning.
Agenda
- VW Golf 2.0 TFSI (MED17.5) project: overview of ECU structure and tuning goals
- Finding the key gasoline maps:
- Torque request maps: understanding driver demand inputs
- Lambda control: finding desired fueling and important compensation maps
- Cylinder filling: target air quantity in the cylinder, effectively a target boost pressure map
- Max cylinder filling: how the ECU caps turbo pressure
- Spark advance: controlling base, optimum and minimum ignition timing
- Rail pressure: optimizing fuel delivery
- Gear limiters: manual vs DSG differences
- Building structured map packs
- Expert Q&A
Why Viezu?
- More than 1,000 tuning dealers worldwide
- Queen's Award winner
- Industry leaders in ECU remapping, software training and dealer support
Featured Product
EVC WinOLS Tuning Software: the leading ECU remapping program for professional aftermarket tuners, written specifically to modify ECU memory contents. It helps you search for and find maps, then name them, view them in different ways and change them using a range of editing functions. All data and maps live in project files that hold everything gathered while working on a given controller, and you can add details such as customer name, vehicle number and image files. This listing is the full version of WinOLS 5 with one user license. Training, file writing support, map packs and super map packs are available; contact us for details.
US emissions compliance note
In the United States, modifying, removing or disabling emissions-control equipment (including DPF*, EGR*, SCR*/DEF* and catalytic converter systems) on a vehicle used on public roads may violate the federal Clean Air Act and EPA rules, and in California and other states that follow CARB standards, additional restrictions apply. Any off-road, race or competition-only modification described here is not intended for street use. Nothing in this article claims that any product or calibration is EPA- or CARB-certified or street legal. For guidance on options for your vehicle, contact Viezu USA.
Talk to Viezu USA
Want to know what Viezu can do for your vehicle or your business? Request a performance upgrade quote, browse viezuusa.com or contact the Viezu USA team.
* EMISSIONS TAMPERING WARNING
Removing, disabling, deleting, or rendering inoperative any emissions control device or system (including DPF, EGR, SCR/DEF, catalytic converters, and related sensors or software) on a vehicle used on public roads is prohibited under the U.S. Clean Air Act and may also violate state laws, including California Air Resources Board (CARB) regulations. Violations can carry substantial civil penalties for vehicle owners, installers, and sellers.
Any reference in this article to DPF, EGR, SCR, or other emissions-related functions is provided for informational purposes and, where applicable, for closed-course competition or off-road use only where permitted by law. Viezu USA does not condone emissions tampering on any road-going vehicle. It is the customer's sole responsibility to ensure that any modification complies with all applicable federal, state, and local laws, regulations, and policies, regardless of what country you live in.