The BMW Copper Lock Nut O.E.M. 18307620549, manufactured by O.E.M. (reference part number 11621711954), is a direct OE supplier replacement designed specifically for secure exhaust fastening on a wide range of classic and modern BMW vehicles. Engineered for precise fit and reliability, this 8 mm copper lock nut is suitable for exhaust applications on select BMW models, as listed in the verified fitment summary.
Key Features:
- Genuine O.E.M. copper lock nut for BMW exhaust systems
- Verified OE supplier quality, matching OE part number 18 30 7 620 549
- Designed for durability and vibration resistance in critical exhaust connections
For a full list of compatible BMW applications—including models such as 1600, 2002, E30 3 Series, E34 5 Series, and various E24, E28, E32, and E31 models—please refer to the verified fitment summary for exact year, chassis, submodel, and engine qualifications.
Choose the BMW Copper Lock Nut O.E.M. 18307620549 for uncompromising fit and OE-level dependability in your BMW’s exhaust assembly.
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These products share the same OE reference. Select your vehicle to confirm exact fitment.