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.
What is WinOLS used for?
WinOLS is powerful ECU remapping software that lets tuners adjust engine parameters to optimize performance, fuel efficiency or emissions.
Is WinOLS any good?
Yes. WinOLS is regarded as one of the best ECU remapping tools available, with unmatched precision and customization for professionals and beginners alike.
Where can I learn to use WinOLS?
Viezu's WinOLS 3-Day Training Course was held in Las Vegas straight after SEMA 2024. Ask us about upcoming WinOLS training.
Why Viezu's 3-Day WinOLS Course After SEMA Was Worth Attending
After all the excitement of SEMA 2024, Viezu Technologies offered an exclusive chance to take tuning skills further. From November 9 to 11, 2024, Viezu hosted an in-depth WinOLS Diesel & Gasoline Training Course in Las Vegas. The hands-on course was built to give attendees thorough knowledge of WinOLS, recognized as the industry standard for ECU remapping, covering both the fundamentals and advanced skills.
Experienced tuner or new to ECU remapping, the course was designed to give you the skills to deliver custom solutions, stand out in a competitive industry and grow your business.
What is WinOLS used for?
WinOLS is mainly used for ECU remapping: adjusting engine parameters such as injection timing, air-fuel ratio and boost pressure to optimize a vehicle's performance. It lets tuners dig deep into the engine control unit's data to find more power, better fuel efficiency or lower emissions. Tuners value it for its precision and its ability to release a vehicle's full potential, and it works across a huge range of vehicles, from high-performance sports cars to commercial trucks, making it one of the most versatile tools around.
Is WinOLS good?
Definitely. WinOLS ranks among the best ECU remapping tools thanks to its unmatched customization and flexibility. Where many remapping programs offer generic solutions, WinOLS gives you full control of every ECU file, so you can build highly specialized tuning files for different vehicles and their particular needs. Whether the goal is more performance, better fuel economy or meeting emissions standards, WinOLS gives you the tools to hit it accurately.
Where can I learn to use WinOLS?
If you're serious about mastering WinOLS, Viezu's WinOLS 3-Day Training Course is the place to start. The post-SEMA 2024 edition in Las Vegas offered thorough, hands-on training with industry experts such as Simon White, Viezu's lead trainer and a recognized authority on ECU remapping.
What the 3-Day WinOLS Course Covered
The course took attendees from the basics through to advanced remapping techniques:
1. Getting started with WinOLS
It opened with a deep dive into the WinOLS interface, showing you how to navigate and organize projects efficiently. You got hands-on with basic ECU editing, including map recognition, axis scaling and checksum correction, the foundation for making accurate ECU changes.
2. Advanced ECU remapping
With the basics covered, the course moved on to advanced techniques. A key strength of WinOLS is finding and editing the critical fuel, ignition and boost pressure maps, and you learned how to change them for specific performance goals. You also learned to use plugins and scripts to automate processes and speed up your workflow without sacrificing quality.
3. Real-world uses and case studies
WinOLS is a tool for solving real tuning problems, not just software. Case studies showed how it's used to remap both diesel and gas engines, from adding horsepower to performance cars to improving fuel efficiency in fleet vehicles, giving you practical skills to use straight away.
How Mastering WinOLS Can Grow Your Tuning Business
The course doesn't just teach the software; it opens up business opportunities by helping you offer better, more customized tuning.
- Better tuning services: WinOLS lets you offer bespoke tuning matched to each customer, whether that means more power, lower fuel use or lower emissions, so every job gets the best result.
- A wider range of services: with WinOLS mastered, you can take on more complex and varied projects, from sports cars and off-road vehicles to commercial fleets, and open up new revenue streams.
- A stronger reputation: completing Viezu's WinOLS course boosts your professional credibility. With Viezu's backing, you can present yourself as an ECU remapping expert, stand out from competitors and win more customers.
The Business Opportunities the Training Opens Up
On top of the technical skills, the training carries real business potential. Mastering WinOLS lets you reach new customers with both performance tuning and fleet optimization.
1. Networking with industry professionals: the course was a great chance to meet other tuners, swap ideas and talk through challenges, which can lead to collaborations and partnerships.
2. Expert support: after the course, Viezu provides ongoing support to help you put your new skills to work on real projects and keep growing your business.
Take Your Tuning Business Further With Viezu's WinOLS Training
Mastering WinOLS can transform your business, and Viezu's training gives you the knowledge, skills and support to take your tuning to the next level and gain a competitive edge. Contact us to find out about upcoming WinOLS courses.
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.