Elring 703.190 Differential Seal

Elring Differential Seal for BMW Rear Inlet Applications

The Elring 703.190 differential seal is built for BMW driveline service where a precise sealing surface matters. It uses FPM (fluoride rubber) construction with a dust lip to help maintain a clean sealing area at the axle inlet.

With a 50 mm inner diameter, 80 mm outer diameter, and 9 mm height, this radial shaft seal is specified in an AW/BS design with right-hand twist. It is a direct-fit sealing solution for a wide range of BMW M models and rear axle inlet applications.

• Elring differential seal, part number 703.190
• FPM (fluoride rubber) material for sealing durability
• Dust lip helps protect the sealing edge from contamination
• Radial shaft seal design: AW/BS
• Right-hand twist swirl type
• Dimensions: 50 mm inner diameter, 80 mm outer diameter, 9 mm height
• Compatible with BMW rear inlet differential applications across multiple M and performance models

Fitment and Application Details

This Elring 703.190 seal is used in BMW rear axle inlet positions and related driveline sealing locations. It appears in applications such as Fits 2016-2021 BMW M2, Rear; Inlet, Fits 2015-2020 BMW M4, Rear; Inlet, and Fits 2015-2018 BMW M3, Rear; Inlet. It also covers earlier BMW performance platforms including Fits 2006-2018 BMW M6, Rear; Inlet, Fits 2006-2010 BMW M5, Rear; Inlet, and Fits 2006-2009 BMW Z4, Rear; Inlet.

This part cross-references BMW OE numbers 33 12 1 204 847 and 33 12 1 212 197 for the same application.

What This Seal Helps Address

• Gear oil seepage at the differential inlet
• Contamination entering the axle sealing area
• Wear at the shaft-to-housing sealing interface
• Leak-related driveline maintenance on BMW rear axle assemblies
• Service replacement for aging OE-style differential seals

Installation Notes

Confirm the seal dimensions, twist direction, and radial shaft seal design before installation. Clean the housing and shaft surface thoroughly, and inspect the mating surface for scoring or wear that could affect sealing performance. For BMW M3, M4, M5, M6, M2, and Z4 rear inlet service, verify the application against the vehicle’s axle configuration before pressing the seal into place.

Quality Assurance

Elring is a recognized sealing-system manufacturer, and this 703.190 differential seal is produced to support precise axle sealing in demanding BMW driveline applications.