51117331730 Fog Light Grille | Structural Compliance & Aerodynamic Optimization

Precision-engineered for F10/F11 platforms, the 51117331730 Fog Light Grille employs impact-modified ASA material with UV-blocking stabilizers. Its multi-axis injection molding process achieves 0.15mm dimensional precision across -40°F to 185°F operating range. The patented clip alignment system ensures 0.7mm maximum panel gap variance during thermal expansion cycles.

Aerodynamically optimized vanes reduce front-end turbulence by 22% compared to conventional designs. The prismatic surface texture diffuses light output per SAE J576 standards while maintaining 92% beam pattern integrity. Integrated drainage ports prevent water ingress behind lighting assemblies, with corrosion-resistant zinc alloy fasteners rated for 50,000 mile durability.

Production Specifications

• • Base Polymer: ASA GF20
• • Wall Uniformity: ±0.25mm
• • Surface Hardness: 85 Shore D
• • Clip Retention: 40N cyclic
• • Salt Spray Resistance: 1,000hrs

Validated applications cover: F10 528i xDrive 2014-2016 F11 535d GT Luxury Line F07 550i M-Sport F18 ActiveHybrid 5 Executive
OEM Cross-Reference Network: 51 11 7 331 730 BM1039167 BM1038167 51-11-7-331-729 51.11.7.331.730