MSS54HP CSL Convert Tuner

Tuning a BMW E46 M3 for CSL conversion previously required 9 manual steps across TunerPro, spreadsheets, and Mega Log Viewer. This tool automates all of them. Input a Partial BIN file and a TestO CSV log; it outputs corrected VE maps, a warmup map, and a WOT map in one pass.

All processing happens locally in the browser — no data is ever sent to a server. Source code is MIT-licensed and publicly auditable.

Built collaboratively with AI (Gemini) in 12.5 hours total: 0.5 h for core features, 7 h debugging, 2 h UI polish, 3 h additional features.