Cannot find known-good cam/crank correlation and cylinder pressure waveforms for S65B40 engine in E9x M3 for diagnostics.

No centralized, verified repository of reference waveforms for specific engine models; technicians rely on hearsay or trial and error.

Severity

3Medium

Willingness to Pay

implied

Added

May 2, 2026

App Concept

Waveform Reference Pro

A crowdsourced and verified database of known-good automotive sensor waveforms (crank/cam correlation, cylinder pressure, etc.) for specific engine models. Technicians can upload, rate, and search waveforms, with verification by community experts.

Key Features

Searchable database by engine model (e.g., S65B40)
Upload and share waveforms with metadata (cranking, idle, etc.)
Community rating and expert verification badges
Mobile app for viewing waveforms at the shop

Target Users: Independent automotive repair technicians and DIY enthusiasts diagnosing engine performance issues on modern vehicles.

Revenue Model: Freemium with $9.99/mo subscription for unlimited uploads and verified waveform access; $49.99/yr for professional shop accounts.

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