{"product_id":"performance-air-filter-for-bmw-x1-1-series-2006-2012","title":"Performance Air Filter for BMW X1\/ 1 Series  (2006-2012)","description":"\u003ch2\u003eUnleash Your BMW’s Potential: BMC High-Flow Performance Filter for N47 \u0026amp; N57 Engines\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWho It’s For:\u003c\/strong\u003e Engineered for BMW E81, E82, E87, E88, E90, and E84 owners running the N47 (2.0L) and N57\/M57 (3.0L) turbo-diesel powerplants who are tired of the stock sluggishness and throttle lag.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eThe Symptom:\u003c\/strong\u003e The factory intake on the BMW diesel range is designed for silence and cost-efficiency, utilizing a dense, restrictive paper filter. This creates a significant bottleneck in the fluid dynamics of the intake tract, causing a \"choked\" feeling when the turbocharger attempts to spool. In heavier chassis like the E84 X1 or the E91 Touring, this restriction manifests as a delayed throttle response and a lack of urgency when trying to merge into high-speed traffic, as the engine struggles to draw in the air volume required for peak combustion efficiency.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eThe Engineering Fix:\u003c\/strong\u003e This BMC performance system replaces the porous paper with a multi-layered cotton gauze soaked in low-viscosity oil. By utilizing a \"Full Moulding\" process, the filter is constructed from a single mould with no welded joints, ensuring a perfect seal within the factory airbox. This design increases the air velocity and density entering the cylinders while filtering out impurities as small as 7 microns—surpassing the OEM 10-micron standard. The result is a more immediate \"snap\" in throttle response and a smoother power delivery throughout the RPM range.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eWhy Mechanics Choose This Kit\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOptimized Oxygen Density:\u003c\/strong\u003e By reducing the intake vacuum drag, the N47 and N57 turbochargers can reach target boost pressures more quickly, increasing low-end torque.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSuperior Filtration:\u003c\/strong\u003e Captures particles down to 7 microns, providing better protection for the sensitive Mass Air Flow (MAF) sensor and internal engine components than standard paper filters.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLifetime Durability:\u003c\/strong\u003e Unlike disposable OEM filters, this unit is washable and regenerable, meaning it’s the last filter you’ll ever need to buy for your BMW.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable width=\"100%\" style=\"border-collapse: collapse; border: 1px solid #e0e0e0; margin-bottom: 20px;\"\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n    \u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0; font-weight: bold;\"\u003eFitment\u003c\/td\u003e\n    \u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003e2006 - 2012 BMW 1 Series, 3 Series, X1\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0; font-weight: bold;\"\u003eEngine Platform\u003c\/td\u003e\n    \u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003eN47 (Inline-4 Diesel) \/ N57 \u0026amp; M57 (Inline-6 Diesel)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n    \u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0; font-weight: bold;\"\u003eFilter Dimensions\u003c\/td\u003e\n    \u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003eB: 303mm | A: 235mm\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0; font-weight: bold;\"\u003ePart Numbers\u003c\/td\u003e\n    \u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003eFB479\/20\u003c\/td\u003e\n  \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eCompatibility \u0026amp; OEM Reference\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eFits the Following Vehicles:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBMW 1 Series (E81, E82, E87, E88) 116 D (115 HP) 2009 \u0026gt; 2012\u003c\/li\u003e\n  \u003cli\u003eBMW 1 Series (E81, E82, E87, E88) 118 D (136 HP) 2009 \u0026gt;\u003c\/li\u003e\n  \u003cli\u003eBMW 1 Series (E81, E82, E87, E88) 118 D (143 HP) 2007 \u0026gt; 2012\u003c\/li\u003e\n  \u003cli\u003eBMW 1 Series (E81, E82, E87, E88) 120 D (177 HP) 2007 \u0026gt; 2012\u003c\/li\u003e\n  \u003cli\u003eBMW 1 Series (E81, E82, E87, E88) 123 D (204 HP) 2007 \u0026gt; 2012\u003c\/li\u003e\n  \u003cli\u003eBMW 3 Series (E90, E91, E92, E93) 316 D (116 HP) 2009 \u0026gt;\u003c\/li\u003e\n  \u003cli\u003eBMW 3 Series (E90, E91, E92, E93) 318 D (143 HP) 2007 \u0026gt;\u003c\/li\u003e\n  \u003cli\u003eBMW 3 Series (E90, E91, E92, E93) 320 D (163 HP) 2007 \u0026gt;\u003c\/li\u003e\n  \u003cli\u003eBMW 3 Series (E90, E91, E92, E93) 320 D (177 HP) 2007 \u0026gt; 2010\u003c\/li\u003e\n  \u003cli\u003eBMW 3 Series (E90, E91, E92, E93) 320 D (184 HP) 2010 \u0026gt;\u003c\/li\u003e\n  \u003cli\u003eBMW 3 Series (E90, E91, E92, E93) 325 D (204 HP) 2010 \u0026gt;\u003c\/li\u003e\n  \u003cli\u003eBMW 3 Series (E90, E91, E92, E93) 330 D (245 HP) 2008 \u0026gt;\u003c\/li\u003e\n  \u003cli\u003eBMW 3 Series (E90, E91, E92, E93) 335 D (286 HP) 2006 \u0026gt;\u003c\/li\u003e\n  \u003cli\u003eBMW X1 (E84) 16 D (116 HP) 2012 \u0026gt;\u003c\/li\u003e\n  \u003cli\u003eBMW X1 (E84) 18 D \/ DX (143 HP) 2009 \u0026gt;\u003c\/li\u003e\n  \u003cli\u003eBMW X1 (E84) 20 D \/ DX (163 HP) 2010 \u0026gt;\u003c\/li\u003e\n  \u003cli\u003eBMW X1 (E84) 20 D \/ DX (177 HP) 2009 \u0026gt; 2012\u003c\/li\u003e\n  \u003cli\u003eBMW X1 (E84) 20 D \/ DX (184 HP) 2012 \u0026gt;\u003c\/li\u003e\n  \u003cli\u003eBMW X1 (E84) 23 DX (204 HP) 2009 \u0026gt;\u003c\/li\u003e\n  \u003cli\u003eBMW X1 (E84) 25 DX (218 HP) 2012 \u0026gt;\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eInterchange Part Numbers:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-family: monospace; font-size: 0.9em; color: #666; background-color: #f5f5f5; padding: 10px; border-radius: 4px;\"\u003e\nFB479\/20, FB479-20\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eThe Performance Promise\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eBuy with confidence.\u003c\/strong\u003e As your Lead Tuner, I only recommend parts that balance filtration integrity with genuine flow gains. Backed by real automotive experts and fast shipping.\u003c\/p\u003e","brand":"BMC","offers":[{"title":"Default Title","offer_id":47758411628792,"sku":"DS-BMW-1-X1-FB479\/20","price":84.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/FB479_20__51666.1602352358.1280.1280.jpg?v=1767728258","url":"https:\/\/performancechiptuning.com\/products\/performance-air-filter-for-bmw-x1-1-series-2006-2012","provider":"Performance Chip Tuning","version":"1.0","type":"link"}