If you've ever tried to build "does this part fit my car" search for an e-commerce site, you've probably hit TecDoc — the European standard database for automotive parts fitment — without anyone actually explaining how it's structured. Here's the developer-level version. The core problem TecDoc...
Source: [Dev.to](https://dev.to/partwiz_autoparts/how-tecdoc-actually-works-a-developers-guide-to-automotive-parts-fitment-data-5d2a)