{"product_id":"51747222877-brake-air-duct-aerodynamic-cooling-system","title":"51747222877 Brake Air Duct | Aerodynamic Cooling System","description":"\u003ctitle\u003e51747222877 Brake Air Duct | BMW E70 X5 Cooling System Component\u003c\/title\u003e\n\u003cstyle\u003e\n        :root {\n            --oem-bg: #f8f9fa;\n            --oem-border: #1a3a5f;\n            --text-dark: #212529;\n            --spec-highlight: #e9ecef;\n        }\n        body {\n            font-family: 'Segoe UI', system-ui, sans-serif;\n            line-height: 1.7;\n            color: var(--text-dark);\n            max-width: 1280px;\n            margin: 0 auto;\n            padding: 32px;\n            background: #ffffff;\n            background-image: linear-gradient(to bottom, #ffffff 0%, #f8fafc 100%);\n        }\n        .oem-grid {\n            background: linear-gradient(145deg, #e3e8ee 0%, #eaf1f7 100%);\n            border: 2.5px solid var(--oem-border);\n            border-radius: 16px;\n            padding: 32px;\n            margin: 42px 0;\n            display: flex;\n            justify-content: center;\n            flex-wrap: wrap;\n            gap: 22px;\n        }\n        .oem-cell {\n            padding: 20px 32px;\n            background: rgba(255, 255, 255, 0.98);\n            border-radius: 12px;\n            text-align: center;\n            font-weight: 700;\n            font-size: 1.2rem;\n            color: #1a3a5f;\n            box-shadow: 0 4px 16px rgba(0,0,0,0.08);\n            transition: transform 0.3s ease;\n            min-width: 200px;\n        }\n        .oem-cell:hover {\n            transform: translateY(-5px);\n            box-shadow: 0 8px 24px rgba(0,0,0,0.12);\n        }\n        .image-container {\n            display: grid;\n            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));\n            gap: 30px;\n            margin: 45px 0;\n        }\n        .img-card {\n            border-radius: 16px;\n            overflow: hidden;\n            background: #fff;\n            box-shadow: 0 14px 32px rgba(0,0,0,0.1);\n            transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);\n        }\n        .img-card:hover {\n            transform: translateY(-8px);\n            box-shadow: 0 20px 40px rgba(0,0,0,0.15);\n        }\n        .img-card img {\n            width: 100%;\n            height: 260px;\n            object-fit: cover;\n            transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);\n        }\n        .img-card:hover img {\n            transform: scale(1.03);\n        }\n        .img-caption {\n            padding: 22px;\n            text-align: center;\n            font-size: 1rem;\n            color: #495057;\n            background: #f8f9fa;\n            font-weight: 500;\n        }\n        h2 {\n            color: #1a3a5f;\n            border-bottom: 4px solid #2c4e80;\n            padding-bottom: 18px;\n            margin: 55px 0 35px;\n            font-weight: 750;\n            font-size: 2.2rem;\n            letter-spacing: -0.5px;\n        }\n        .spec-section {\n            display: grid;\n            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));\n            gap: 40px;\n            margin: 40px 0;\n        }\n        .spec-block {\n            background: var(--spec-highlight);\n            border-radius: 16px;\n            padding: 32px;\n            border-left: 8px solid #2c4e80;\n            box-shadow: 0 6px 20px rgba(0,0,0,0.06);\n        }\n        .spec-block h3 {\n            font-size: 1.45rem;\n            margin-top: 0;\n            color: #1a3a5f;\n        }\n        .compatibility-notice {\n            background: #f1f5f9;\n            border-radius: 16px;\n            padding: 38px;\n            margin: 50px 0;\n            border-left: 8px solid #2c4e80;\n        }\n        footer {\n            margin-top: 55px;\n            padding: 30px;\n            background: #f1f5f9;\n            border-radius: 12px;\n            font-weight: 650;\n            text-align: center;\n            font-size: 1.1rem;\n        }\n        .highlight {\n            background: linear-gradient(120deg, #e0f2fe 0%, #dbeafe 100%);\n            padding: 4px 8px;\n            border-radius: 6px;\n            font-weight: 600;\n        }\n        p {\n            margin-bottom: 20px;\n        }\n    \u003c\/style\u003e\n\u003ch2\u003e51747222877 Brake Air Duct: Precision Cooling for E70 X5 Braking System\u003c\/h2\u003e\n\u003cp\u003eDesigned specifically for 2010-2013 BMW E70 X5 LCI models, the 51747222877 Brake Air Duct provides targeted airflow to front brake assemblies for optimal thermal management. This aerodynamic component directs cool air from the front grille area toward brake calipers and rotors, reducing fade during sustained braking. The high-temperature resistant polymer construction maintains structural integrity under continuous 250°F heat exposure. Precision-engineered mounting points ensure perfect alignment with factory-installed wheel well liners and suspension components. The ribbed interior surface accelerates airflow velocity by 40% compared to smooth designs, while integrated debris deflectors prevent road contamination from entering the braking system.\u003c\/p\u003e\n\u003cdiv class=\"oem-grid\"\u003e\n\u003cdiv class=\"oem-cell\"\u003e51747222877\u003c\/div\u003e\n\u003cdiv class=\"oem-cell\"\u003e51747222878\u003c\/div\u003e\n\u003cdiv class=\"oem-cell\"\u003e51 74 7 222 877\u003c\/div\u003e\n\u003cdiv class=\"oem-cell\"\u003e51.74.7.222.877\u003c\/div\u003e\n\u003cdiv class=\"oem-cell\"\u003e7222877\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"image-container\"\u003e\n\u003cdiv class=\"img-card\"\u003e\n\u003cimg src=\"brake-duct-installed.jpg\" alt=\"51747222877 Brake Air Duct installed on BMW E70 X5\" loading=\"lazy\"\u003e\n\u003cdiv class=\"img-caption\"\u003eFactory-correct positioning behind wheel assembly\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"img-card\"\u003e\n\u003cimg src=\"aerodynamic-design.jpg\" alt=\"Optimized airflow channels in brake ventilation duct\" loading=\"lazy\"\u003e\n\u003cdiv class=\"img-caption\"\u003eComputational fluid dynamics optimized shape\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"img-card\"\u003e\n\u003cimg src=\"heat-resistance.jpg\" alt=\"High-temperature polymer material testing in brake duct\" loading=\"lazy\"\u003e\n\u003cdiv class=\"img-caption\"\u003eThermal-stable polymer construction\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2\u003eTechnical Specifications: 51747222877 Brake Air Duct\u003c\/h2\u003e\n\u003cdiv class=\"spec-section\"\u003e\n\u003cdiv class=\"spec-block\"\u003e\n\u003ch3\u003eMaterial Engineering\u003c\/h3\u003e\n\u003cp\u003eManufactured from glass-reinforced polyamide 6.6 with 30% fiber content for exceptional thermal stability and impact resistance. The material formulation withstands continuous exposure to brake dust chemicals without degradation. UV-stabilized surface treatment prevents embrittlement from sunlight exposure. Precision injection molding ensures dimensional accuracy within 0.3mm tolerances across all mounting surfaces. The textured exterior surface reduces aerodynamic drag while preventing stone chip damage during operation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-block\"\u003e\n\u003ch3\u003eFunctional Design\u003c\/h3\u003e\n\u003cp\u003eVelocity-optimized venturi profile accelerates incoming airflow toward brake rotor centers. Integrated mounting clips maintain secure attachment without requiring additional fasteners. The asymmetric design accommodates factory brake lines and ABS sensor wiring with dedicated routing channels. Debris deflection fins redirect road particles away from critical brake components. Compatible with all production brake calipers installed on E70 X5 models during the LCI production period, including both standard and performance braking systems.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2\u003eVehicle Compatibility Requirements\u003c\/h2\u003e\n\u003cdiv class=\"compatibility-notice\"\u003e\n\u003cp\u003eExclusively compatible with 2010-2013 BMW E70 X5 models produced during the LCI (Life Cycle Impulse) facelift period. The 51747222877 Brake Air Duct fits both standard and xDrive variants equipped with factory front brake cooling systems. \u003cspan class=\"highlight\"\u003eNot compatible with pre-LCI E70 models or vehicles with aftermarket widebody modifications\u003c\/span\u003e. Installation requires removal of front wheels and partial disassembly of wheel well liners. Ensures proper clearance with original equipment brake calipers, dust shields, and suspension components. Does not interfere with factory-installed parking sensors or wheel speed sensors.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cfooter\u003eCompatible with: 2010-2013 BMW E70 X5 LCI models requiring front left brake cooling duct 51747222877\/51747222878\/51 74 7 222 877.\u003c\/footer\u003e","brand":"FANCHANTS China Auto Parts Wholesales","offers":[{"title":"Default Title","offer_id":46987299520767,"sku":"","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0637\/7219\/7119\/files\/Suitable-for-10-13-BMW-E70X5-LCI-brake-air-vent-brake-ventilation-pipe-51747222877-51747222878-FANCHANTS-China-Auto-Parts-Wholesales-85597768.jpg?v=1751269077","url":"https:\/\/www.fanchantsparts.com\/products\/51747222877-brake-air-duct-aerodynamic-cooling-system","provider":"FANCHANTS China Auto Parts Wholesales","version":"1.0","type":"link"}