51117409549 Grille | Structural Ventilation Compliance

Engineered for 2018-2020 BMW 5 Series G38 models with medium/high trim specifications, the 51117409549 Grille features impact-modified ABS construction with UV-stabilized formulation. The optimized honeycomb pattern balances airflow requirements with debris protection for radiator components. Precision-molded mounting points maintain 0.2mm positional accuracy with factory bumper contours, while integrated clips ensure vibration-resistant retention during high-speed operation. The aerodynamic profile reduces drag coefficient by 18% compared to standard designs while maintaining structural integrity across -30°C to 120°C temperature variations.

Surface texture replication technology matches OEM grain patterns with hydrophobic properties that repel water and road contaminants. The modular design allows direct replacement without bumper disassembly, with alignment guides ensuring precise positioning relative to headlight assemblies and sensors. Reinforced framework design distributes impact forces across the bumper structure while maintaining flexible impact absorption characteristics. The geometric optimization provides 27% increased airflow to cooling systems compared to previous generation components while reducing weight by 15%.

Material Specifications

• • Base Material: ABS+PC Blend
• • UV Resistance: 2000+ hours
• • Thermal Range: -30°C~120°C
• • Impact Strength: 35kJ/m²
• • Surface Hardness: 115 Rockwell R

Verified Applications: G38 2018-2020 G30 2017-2020 G31 Touring M Sport Package Luxury Line Trim
OE Cross-Reference: 51117409549 51-11-7-409-549 Stoßfänger Gitter Kühlergrill Frontgrill