51747394666 Brake Vents | Thermal Management Compliance

Designed for BMW 5 Series and 6 Series models, the 51747394666 Brake Vents feature reinforced polypropylene construction with integrated aerodynamic vanes that optimize airflow to brake components. The directional channels create low-pressure zones that actively draw heat away from rotors during high-performance driving. Precision-molded mounting points ensure exact alignment with factory bumper contours while maintaining structural integrity under continuous vibration. The textured surface replicates OEM grain patterns while incorporating hydrophobic properties to repel water and road debris.

Computational fluid dynamics modeling informs the venturi-shaped ducts that accelerate airflow by 22% compared to conventional designs. Integrated mounting clips eliminate the need for specialized tools during installation, with alignment guides ensuring precise positioning. The modular design allows individual replacement without bumper disassembly, while thermal-resistant formulation maintains dimensional stability across -30°C to 130°C operating conditions. The optimized geometry reduces drag coefficient while increasing cooling efficiency during track use.

Material Composition

• • Base Polymer: Reinforced PP-TD30
• • UV Stabilization: 1500+ hours
• • Thermal Range: -30°C~130°C
• • Impact Resistance: 25kJ/m²
• • Hydrophobic Angle: 115°

Verified Applications: F10 5 Series F06 6 Series F12 6 Series F13 6 Series M Sport Package
OE Cross-Reference: 51747394665 51747394666 51-74-7-394-665 51-74-7-394-666 Bremse Kühllufteinlass