51747383852 Brake Duct | Aerodynamic Cooling Compliance

Specifically engineered for 2018-2019 BMW 5 Series G30/G38 models, the 51747383852 Brake Duct utilizes glass-fiber reinforced polyamide for exceptional durability and heat resistance. The directional airflow channels optimize cooling performance through aerodynamically shaped vanes that guide air directly to brake components. Precision-molded mounting points ensure perfect alignment with factory bumper contours while maintaining structural integrity under continuous vibration stress. The textured surface precisely replicates OEM finish while incorporating hydrophobic properties that repel water and road contaminants.

Integrated mounting clips enable tool-free installation with alignment guides ensuring precise positioning relative to wheel assemblies. Computational fluid dynamics modeling informs the venturi-shaped ducts that accelerate airflow velocity by 27% compared to conventional designs. The modular construction allows individual replacement without bumper disassembly while thermal-resistant formulation maintains dimensional stability across -30°C to 140°C operating conditions. Optimized geometry reduces drag coefficient while maximizing cooling efficiency during aggressive driving maneuvers.

Technical Specifications

• • Material Composition: PA6-GF30
• • UV Stabilization: 2000+ hours
• • Thermal Range: -30°C~140°C
• • Impact Strength: 28kJ/m²
• • Hydrophobic Angle: 112°
• • Vibration Resistance: SAE J2521
• • Color: OEM-matched graphite

Verified Applications: G30 5 Series G38 5 Series LWB 2018-2019 Models M Sport Package xDrive Models
OE Cross-Reference: 51747383851 51747383852 7383852 51-74-7-383-851 51-74-7-383-852 Bremsenlufteinlass