Data transparency

Data Sources and Coverage

PartNumberFinder turns large local BMW catalog exports into a curated web-serving dataset for part number lookup, fitment exploration, and diagram reference pages.

Current coverage

BrandBMW
Part numbers18,000+ normalized records
Diagrams49,000+ exploded diagram records
Fitment rows500,000+ part-to-diagram/model references
Primary fieldsPart number, description, diagram, position number, quantity, notes, category, model context

How the web dataset is prepared

The local source data is a large aggregate crawl output. Before publishing to the website database, it is filtered and reshaped into a compact query schema that removes crawler-only runtime data, duplicate rows, empty placeholders, and low-value navigation artifacts.

Why this matters for search and AI answers

Each published page is designed to state the entity clearly: the part number, what it is called, where it appears, and how it relates to BMW models and diagrams. This gives human visitors, search engines, and AI crawlers a stable factual reference.

Disclaimer

PartNumberFinder is an independent reference tool. It is not affiliated with BMW AG or RealOEM, and it does not claim to be an official catalog or retailer.