51757188839 Seal | OEM-Equivalent Front Bumper Pressure Lip Seal for BMW E70 X5
51757188839 Seal | OEM-Equivalent Front Bumper Pressure Lip Seal for BMW E70 X5
51757188839 Seal: Precision Front Bumper Pressure Lip Seal for BMW Models
Engineered for critical sealing applications in BMW front bumper assemblies, the 51757188839 pressure lip seal provides a durable barrier against road debris and moisture infiltration along the vehicle's lower front edge. This specialized 51757188839 Seal pairs with the corresponding right-side 51757188840 component to create a complete protective system along the bumper's underside. Manufactured from ozone-resistant synthetic rubber compounds with embedded reinforcement fibers, the seal maintains consistent compression force throughout extreme temperature fluctuations spanning -40°C to 110°C operational environments. The precision-engineered lip profile creates a hydrodynamic barrier that effectively channels water away from sensitive underhood components while maintaining aerodynamic efficiency at highway speeds.
Installation requires no specialized tools beyond standard trim removal equipment, with the seal's integrated retention clips securely engaging factory mounting points on the bumper support structure. The 51757188839 Seal features UV-stabilized formulations that prevent surface cracking and hardening when exposed to direct sunlight, maintaining flexibility throughout seasonal weather transitions. Unlike universal seals with compromised cross-sections, this component precisely replicates OEM contour dimensions to eliminate gaps that permit wind noise generation at speed. The specialized low-friction coating on sealing surfaces prevents sticking to adjacent plastic components during thermal expansion cycles, ensuring consistent sealing performance without accelerated wear.
Vehicle Compatibility Specifications
The 51757188839 pressure lip seal maintains exact compatibility with BMW X5 and X6 models equipped with factory bumper configurations requiring left-side sealing solutions. Designed as a direct replacement component, it interfaces precisely with BMW's front-end mounting points across multiple chassis generations without modification. The seal provides critical protection for vehicles equipped with both standard and aerodynamic package bumper designs, with clearance maintained for factory-installed parking sensors, tow hooks, and underbody panels.
E70 X5 Models
- xDrive35d (M57 3.0L Diesel)
- xDrive35i (N55 3.0L Gasoline)
- xDrive50i (N63 4.4L Twin-Turbo)
E71 X6 Models
- ActiveHybrid (N63 4.4L Hybrid)
- xDrive35i (N54 3.0L Twin-Turbo)
- xDrive35i (N55 3.0L TwinPower Turbo)
- xDrive50i (N63 4.4L Twin-Turbo)
Installation verification requires confirming bumper part numbers as minor variations exist between model years. The 51757188839 Seal maintains proper compression force across all compatible vehicles regardless of engine configuration or drivetrain layout. Proper alignment with the corresponding 51757188840 right-side seal ensures continuous protection along the entire bumper edge without gaps at the center junction point.
Engineering Specifications
Material Construction
Formulated from EPDM rubber with embedded nylon reinforcing cords, the seal offers exceptional resistance to road chemicals including de-icing salts, oils, and hydraulic fluids. The material compound maintains elasticity across temperature extremes without becoming brittle in freezing conditions or deforming in high-heat environments. UV inhibitors prevent surface degradation from sun exposure that compromises sealing integrity.
Sealing Performance
The dual-lip design creates a sequential barrier system that deflects high-pressure water streams while allowing controlled drainage along engineered channels. The hydrodynamic profile reduces wind noise by smoothing airflow transition between bumper and underbody panels during high-speed operation. The 51757188839 Seal maintains consistent contact pressure through its compression zone to prevent debris intrusion without requiring excessive installation force.
Retention System
Precision-molded mounting clips spaced at factory-specified intervals provide secure retention without stressing the bumper material. The stainless steel core within each clip maintains spring tension throughout the seal's service life. The 51757188839 Seal features color-coded alignment indicators that simplify installation verification and ensure proper orientation on the bumper channel.
Compatible with: BMW E70 X5 and E71 X6 vehicles requiring front bumper pressure lip seal part numbers 51757188839 (left) or 51757188840 (right). Not affiliated with or endorsed by BMW AG.
Materials
Materials
Dimensions
Dimensions
Care Instructions
Care Instructions
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