| Tool | Use case | |------|----------| | KESS/KTAG | Master/Slave reading & writing | | MPPS | Cheap OBD flashing | | Galletto 2 | Boot mode flashing | | PCMflash | Professional multi-protocol |

1. What is WinOLS? WinOLS (often called "OLS") is a professional ECU editing software used to modify fuel maps, ignition timing, boost pressure, torque limiters, and more. Unlike generic hex editors, WinOLS recognizes map structures automatically.

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