51117200729 Lower Grille | Structural & Functional Compliance

Specifically engineered for 2010-2013 BMW 5-Series Gran Turismo vehicles, the 51117200729 Lower Grille combines laser-sintered nylon composite with stainless steel reinforcement mesh. The full-open ventilation pattern increases airflow volume by 28% compared to standard designs while maintaining debris filtration efficiency. Integrated marker light housings feature precision-molded acrylic lenses with anti-fog coating, ensuring consistent light dispersion across temperature variations.

Modular clip design allows tool-free installation with 2mm positional tolerance adjustment. The hybrid material composition prevents warping under extreme temperatures (-40°C to 140°C operational range), while the textured surface finish matches OEM bumper profiles. Reinforced mounting tabs withstand 3G vibration loads without fatigue, maintaining structural integrity through rough road conditions.

Engineering Parameters

• • Composite Material: PA66-GF30/Stainless Mesh
• • Mesh Opening Ratio: 72% free area
• • Impact Resistance: 15kJ/m²
• • Clip Retention: 25N tensile strength
• • Weight Reduction: 18% vs OEM

Certified Applications: F07 2010-2013 535i GT 550i GT ActiveHybrid 5
OE Cross-Reference Network: 51117200729 51-11-7-200-729 F07 Frontgrill Unterteil Unterer Kühlergrill Gran Turismo Series