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BMW part number lookup
BMW 12120040551
Spark plug, High Power. This page shows available fitment records, diagram references, and position details from the BMW parts dataset.
Fitment data
Where this BMW part appears
Use diagram names, position numbers, quantities, notes, and model context to verify the part reference.
Verification paths
Alternative ways to verify this part
Use these lookup paths when this part number does not match your exact model, production date, market, or equipment.
Before ordering checklist
Use this OEM number as a reference, then verify the exact fit before purchasing.
- Verify the part number against your VIN.
- Check production date and market/region.
- Confirm engine, transmission, steering, body, and options/equipment.
- Compare diagram position number and quantity.
- Review notes and supersession/source notes.
- Confirm with a current official catalog or supplier before purchase.
Data source
Data source and verification notes
This page is generated from the PartNumberFinder BMW reference dataset. Published fields include part number, description, fitment rows, diagram references, position number, quantity, notes, and supersession/source notes when available.
PartNumberFinder is independent and is not affiliated with BMW AG or RealOEM. Before ordering parts, verify the number by VIN, production date, market, engine, steering, transmission, equipment, and a current official catalog.