{"product_id":"performance-air-filter-for-bmw-m135i-m235i-128ti-mini-jcw-fb01091","title":"Performance Air Filter for BMW M135i, M235i, 128ti, X2 M35i \u0026 MINI JCW (2019-2026)","description":"\u003ch2\u003eHigh-Flow BMC Performance Air Filter for BMW 1 Series, 2 Series (F40 \/ F44)\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The BMC Performance Air Filter replaces the restrictive factory paper element on the BMW 1 Series, 2 Series to lower intake restriction, increase volumetric airflow, and sharpen throttle response without triggering check engine lights.\u003c\/p\u003e\n\u003ch3\u003eThe Stock BMW 1 Series, 2 Series Intake Restriction\u003c\/h3\u003e\n\u003cp\u003eFactory air filtration in the \u003cstrong\u003eF40\u003c\/strong\u003e and \u003cstrong\u003eF44\u003c\/strong\u003e platforms relies on dense, tightly packed cellulose paper elements. Under elevated boost targets, this dense factory media induces significant pressure drop across the intake tract, restricting CFM throughput to the turbocharger inlet. Furthermore, OEM paper elements absorb ambient moisture, degrade under heat cycling, and rapidly pack with road particulates, strangling intake velocity and worsening throttle lag on high-output \u003cstrong\u003eB48\u003c\/strong\u003e engines.\u003c\/p\u003e\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eEngineered to motorsport standards, this BMC drop-in panel filter uses multi-layer cotton gauze saturated with low-viscosity synthetic oil, secured within an epoxy-coated alloy wire mesh. This architecture permits up to 40% greater laminar airflow than standard paper media while screening micro-particulates down to 7 microns.\u003c\/p\u003e\n\u003cp\u003eThe perimeter features a continuous, single-mold polyurethane sealing bead that completely eliminates air bypassing and resists heat-induced warping inside the factory airbox, maintaining a flawless seal against the OEM intake plenum.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilters per kit\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e287mm x 223mm panel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBMC FB01091\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eCompatibility \u0026amp; OEM Reference\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eFits the following vehicles (BMC fitment data):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBMW 2 Gran Coupe (F44) M235i (306 HP) | 2020-2024\u003c\/li\u003e\n\u003cli\u003eBMW 1 Series (F40) 128ti (265 HP) | 2020+\u003c\/li\u003e\n\u003cli\u003eBMW 1 Series (F40) M135i X (306 HP) | 2019+\u003c\/li\u003e\n\u003cli\u003eBMW X2 (F39) X2 M35i (306 HP) | 2019+\u003c\/li\u003e\n\u003cli\u003eMini Mini III (F54,F55,F56,F57,F60) 2.0 JCW (306 HP) | 2019+\u003c\/li\u003e\n\u003cli\u003eMini Mini III (F54,F55,F56,F57,F60) 2.0 JCW GP (306 HP) | 2020+\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eOEM Cross Reference (BMC):\u003c\/strong\u003e BMW 13718480400\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eFrequently Asked Questions \u0026amp; Fitment Warnings\u003c\/h3\u003e\n\u003ch4\u003eDoes this fit the F40 \/ F44 1 Series, 2 Series?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct fit for the BMW 1 Series, 2 Series equipped with the \u003cstrong\u003eB48\u003c\/strong\u003e 2.0L turbocharged engine, seating directly into the factory airbox housing without modification.\u003c\/p\u003e\n\u003ch4\u003eDoes this drop-in filter require ECU recalibration or tuning?\u003c\/h4\u003e\n\u003cp\u003eNo, the increased airflow remains fully within OEM mass airflow sensor (MAF) operating parameters, providing bolt-on performance without lean conditions or check engine warnings.\u003c\/p\u003e\n\u003ch3\u003eThe BMW Precision Standard\u003c\/h3\u003e\n\u003cp\u003eDesigned for exacting European tolerances, this drop-in filter delivers maximum induction efficiency while protecting delicate turbocharger compressor blades and maintaining precise MAF fuel-trim calculations.\u003c\/p\u003e","brand":"BMC","offers":[{"title":"Default Title","offer_id":67576573624568,"sku":"DS-FB01091","price":100.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/performance-air-filter-for-bmw-m135i-m235i-128ti-mini-jcw-fb01091-1.jpg?v=1791226839","url":"https:\/\/performancechiptuning.com\/products\/performance-air-filter-for-bmw-m135i-m235i-128ti-mini-jcw-fb01091","provider":"Performance Chip Tuning","version":"1.0","type":"link"}