WinOLS ECU Chip Tuning and Remap - Legacy Support Version 2025-08-25

New release thread for WinOLS 2.24 - The Professional ECU Remapping Editor | Working Version: discuss, share feedback, and get help.

WinOLS 2.24 - The Professional ECU Remapping Editor | Working Version​

The industry-standard software for professional chip tuners to find and modify engine control unit m

The Digital Scalpel for the Modern Engine Tuner​

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WinOLS is not just software; it is the canvas upon which nearly every professional chip tune in the world is created. Developed by the German company EVC electronic, it is the undisputed industry standard for manually finding, visualizing, and modifying the intricate calibration maps within an engine control unit (ECU) file. It is a tool of immense power and precision, intended for...

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Frequently Asked Questions​

Which Windows version is recommended?
For maximum stability during ECU flashing and diagnostics, a clean installation of Windows 10 (64-bit) is recommended.
Is it compatible with J2534 PassThru?
Most modern software versions support standard J2534 interfaces like Scanmatik 2 Pro, OpenPort 2.0, and specific VCI adapters.

What's inside:

• Overview & screenshots
• Version history and compatibility
• Download link and setup notes

View full details and download — WinOLS 2.24 - The Professional ECU Remapping Editor | Working Version