Elring 268.030 Multi-Purpose Seal Ring

Elring 268.030 Multi-Purpose Seal Ring

The Elring 268.030 multi-purpose seal ring is an NBR O-ring built to match the specified dimensions for sealing service in BMW valve unit applications. With a 21.3 mm inside diameter, 24.86 mm outside diameter, and 1.78 mm thickness, it supports precise sealing where the original ring has worn, flattened, or hardened.

Compatible With BMW X1, BMW 650Ci, BMW 550i, BMW 650i, BMW X5, BMW 750i, and BMW 750Li applications listed below. Elring 268.030 is also a direct reference for service searches using the same OE-style seal ring dimensions.

Key Features

• Brand: Elring
• Part number: 268.030
• Material: NBR (nitrile butadiene rubber)
• Shape: O-Ring
• Inside diameter: 21.3 mm
• Outside diameter: 24.86 mm
• Thickness: 1.78 mm
• Used in valve unit sealing applications on select BMW models

Detailed Description

This Elring seal ring is specified as a multi-purpose O-ring made from NBR, a rubber material commonly used for fluid sealing and resistance to everyday engine-bay conditions. The dimensional profile is important for maintaining a proper seal at the valve unit, where an incorrect inside diameter, outside diameter, or thickness can lead to leakage or poor sealing performance. For buyers searching Elring 268.030 or BMW valve unit O-ring replacement, this part number helps narrow the correct service component quickly.

This part cross-references 11 36 7 546 379 and 16078700 for the same application.

Used For

• Replacing a hardened or flattened valve unit seal ring
• Addressing fluid seepage at the sealing interface
• Restoring proper O-ring compression in service repairs
• Correcting leaks caused by dimensional mismatch
• Servicing BMW X5, BMW 550i, and BMW 750Li valve unit sealing points

Installation Notes and Tips

Verify the inside diameter, outside diameter, and thickness against the removed seal before installation. Clean the sealing groove and mating surfaces thoroughly, and inspect the valve unit for scoring, contamination, or damage that could affect the seal. Confirm the application by year, model, and fitting position before ordering; this part is listed for valve unit use on select BMW vehicles, including BMW X1, BMW 650Ci, BMW 550i, BMW 650i, BMW X5, BMW 750i, and BMW 750Li.

• Fits 2012-2015 BMW X1, N/A
• Fits 2006-2011 BMW 650Ci, Fitting Position: Valve Unit
• Fits 2006-2010 BMW 550i, Fitting Position: Valve Unit
• Fits 2006-2010 BMW 650i, Fitting Position: Valve Unit
• Fits 2007-2010 BMW X5, Fitting Position: Valve Unit
• Fits 2006-2009 BMW 750i, Fitting Position: Valve Unit
• Fits 2006-2009 BMW 750Li, Fitting Position: Valve Unit
• Fits 2004-2006 BMW X5, Inner Diameter: 21.3mm; Outer Diameter: 24.86mm; Shape: O-Ring
• Fits 2003 BMW X5, N/A

Quality Assurance

Elring is a recognized sealing-system brand, and this part is built to the listed OE-style dimensions for accurate fitment in the specified BMW applications. Use the part number 268.030 and the vehicle fitment details to confirm the correct seal ring before service.