{"product_id":"bmc-air-filter-fb421-01-bmw-5-6-series-e60-e63","title":"BMC Air Filter FB421\/01 – BMW 5 \/ 6  Series (E60\/E63)","description":"\u003ch2 style=\"text-align: center;\"\u003eHigh-Performance Panel Filter for BMW 5 (E60) \u0026amp; 6 (E63) Series\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eBMC Air Filter FB421\/01\u003c\/strong\u003e is a precision drop-in \u003cem\u003epanel filter\u003c\/em\u003e engineered for multiple BMW 5 (E60) and 6 (E63) Series models. With BMC’s Full-Moulding red rubber frame and multi-layer oiled cotton gauze media supported by epoxy-coated mesh, it boosts intake efficiency while filtering fine particles (~7 µm). Designed for direct installation in the OEM airbox—no modifications needed.\u003c\/p\u003e\n\u003ch3\u003eWhy Choose the BMC FB421\/01 Air Filter?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBetter Airflow \u0026amp; Filtration:\u003c\/strong\u003e Higher intake volume with effective containment of fine particulates (~7 µm vs ~10 µm OEM paper)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWashable \u0026amp; Reusable:\u003c\/strong\u003e Serviceable with a BMC regeneration kit—eliminate frequent disposable replacements\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull-Moulded Seal:\u003c\/strong\u003e One-piece red rubber frame ensures rigidity and tight sealing with no welds or joints\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Drop-In Fit:\u003c\/strong\u003e No trimming or tuning required—fits factory airbox directly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Build:\u003c\/strong\u003e Epoxy-coated mesh guards media from fuel vapors and environmental oxidation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFitment \u0026amp; Vehicle Compatibility\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOEM Cross References\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBMW \u003cstrong\u003e13717521023\u003c\/strong\u003e, \u003cstrong\u003e13717521037 \/ 3701\u003c\/strong\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Models\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003eBMW 5 Series (E60 \/ E61)\u003c\/strong\u003e – 520i (2007-2010), 540i (2005-2010), 545i, 550i\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eBMW 6 Series (E63 \/ E64)\u003c\/strong\u003e – 645Ci, 650i (2003-2011)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilter Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePanel (single element)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions (mm)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOutside Width \/ Base Inner Diameter: 184 \/ 273 mm\u003cbr\u003eOutside Length \/ Base Outside Diameter: 312 mm \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia \/ Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePre-oiled multi-layer cotton gauze with epoxy-coated alloy mesh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFiltration Efficiency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e~7 µm (vs ~10 µm typical OEM paper) \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWashable \/ Reusable\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes — compatible with BMC regeneration kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage Contents\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 × BMC Panel Air Filter (FB421\/01)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2-Year Limited Coverage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"margin-top: 6px;\"\u003eCross-references and applications verified against BMC’s official data and BMW specialist sources. Always confirm via VIN and inspect airbox before purchase.\u003c\/p\u003e\n\u003ch3\u003eThe BMC Advantage\u003c\/h3\u003e\n\u003cp\u003eMotorsport-grade materials and precision manufacture deliver smoother airflow, sharper throttle response, and lasting value — all while preserving OEM reliability for your BMW.\u003c\/p\u003e\n\u003cp\u003eNeed installation help? Check our \u003ca title=\"BMC Air Filter Installation Guide\" href=\"\/pages\/installation-guide\"\u003eInstallation Guide\u003c\/a\u003e or browse the full \u003ca title=\"BMC Air Filter Collection For BMW Cars\" href=\"\/collections\/bmw-air-filters\"\u003e\u003cstrong\u003eBMW Air Filter Collection\u003c\/strong\u003e\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEquip your 5 or 6 Series with the BMC FB421\/01 air filter — engineered for airflow, protection, and endurance.\u003c\/strong\u003e\u003c\/p\u003e","brand":"European Performance Filters","offers":[{"title":"Default Title","offer_id":50690105835766,"sku":"FB421\/01","price":49.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0806\/7806\/0278\/files\/bmc-air-filter-fb421-01-bmw-5-series-front.jpg?v=1779146188","url":"https:\/\/thegildedemporium.myshopify.com\/products\/bmc-air-filter-fb421-01-bmw-5-6-series-e60-e63","provider":"What you want","version":"1.0","type":"link"}