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Start with an exact OEM number and see the part description, diagrams, and fitment context.
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OEM Auto Part Number Lookup
Find BMW part numbers, model fitment, and exploded parts diagrams from a structured catalog built for fast technical lookup.
18,000+ BMW part numbers
49,000+ exploded diagrams
500,000+ fitment records
BMW initial catalog coverage
Built for lookup intent
Answer the questions parts buyers and technicians ask first.
Every page is designed around a practical task: identify a part number, check compatible BMW models, locate the part in a diagram, and continue to related parts.
Find by BMW model and component
If you do not know the OEM number, start with your BMW model, system, and part name to find candidate part numbers.
Explore diagrams
Review exploded diagram references with position numbers, quantities, notes, and related parts.
BMW catalog
Structured pages for SEO and AI discovery.
PartNumberFinder exposes clear factual pages for part numbers, model catalog entries, and exploded diagrams so search engines and AI crawlers can understand what each page answers.
| Search intent | Example query | Best landing page |
|---|---|---|
| Exact part lookup | BMW 34314050052 | /bmw/parts/34314050052 |
| Model + part name | BMW Isetta 250 brake master cylinder | /bmw/lookup?vehicle=bmw-isetta-isetta-250-1955&q=brake%20master%20cylinder&system=34 |
| Diagram lookup | BMW Isetta brake master cylinder diagram | Guided lookup results |
| Fitment check | where BMW 34314050052 appears | Part detail fitment section |