{"product_id":"performance-air-filter-for-mercedes-amg-a45-cla45-gla45-lotus-emira-fb01099","title":"Performance Air Filter for Mercedes-AMG A 45, CLA 45, GLA 45 \u0026 Lotus Emira (2019-2026)","description":"\u003ch2\u003eHigh-Flow BMC Performance Air Filter for Mercedes-AMG A45, CLA45, GLA45 (W176\/C117\/X156)\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The BMC Performance Air Filter directly replaces the restrictive factory paper filter in the Mercedes-AMG A45, CLA45, and GLA45 to reduce intake pressure drop, optimize airflow volume, and sharpen throttle response.\u003c\/p\u003e\n\u003ch3\u003eThe Stock Mercedes-AMG A45, CLA45, GLA45 Intake Restriction\u003c\/h3\u003e\n\u003cp\u003eThe high-output 2.0-liter turbocharged engine in the Mercedes-AMG A 45 (W177), CLA 45 (C118), GLA 45 (H247) and Lotus Emira operates under high boost pressures, requiring massive CFM capacity. Factory cellulose paper filters restrict laminar airflow via tight fiber density, causing parasitic intake vacuum and higher intake air temperatures under load.\u003c\/p\u003e\n\u003cp\u003eFurthermore, OEM paper elements degrade rapidly when exposed to humidity and fine particulate loading, escalating pressure drop across the intake tract and stifling turbocharger spool efficiency.\u003c\/p\u003e\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eEngineered by BMC, the \u003cstrong\u003eFB01099\u003c\/strong\u003e panel filter utilizes multi-layered, low-viscosity oiled surgical cotton gauze sandwiched within an epoxy-coated alloy mesh. This architecture stabilizes the intake charge, allowing significantly higher volumetric airflow while filtering down to 7 microns without media breakdown.\u003c\/p\u003e\n\u003cp\u003eMolded as a single-piece component with proprietary polyurethane, it eliminates localized sealing distortion and bypass leaks, seating directly into the factory airbox with zero mass air flow (MAF) sensor disruption or intake plumbing modification.\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\u003e261mm x 171mm x 235mm H\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 FB01099\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\u003eLotus Emira (131) 2.0 Turbo (365 HP) | 2023-2025\u003c\/li\u003e\n\u003cli\u003eLotus Emira (131) 2.0 Turbo SE (406 HP) | 2025+\u003c\/li\u003e\n\u003cli\u003eMercedes CLA (C118\/W118\/X118) AMG CLA 45 (387 HP) | 2019+\u003c\/li\u003e\n\u003cli\u003eMercedes CLA (C118\/W118\/X118) AMG CLA 45 S (421 HP) | 2019+\u003c\/li\u003e\n\u003cli\u003eMercedes A-Class (W177) AMG A 45 (387 HP) | 2019+\u003c\/li\u003e\n\u003cli\u003eMercedes A-Class (W177) AMG A 45 S (421 HP) | 2019+\u003c\/li\u003e\n\u003cli\u003eMercedes GLA (H247) AMG GLA 45 (387 HP) | 2019+\u003c\/li\u003e\n\u003cli\u003eMercedes GLA (H247) AMG GLA 45 S (421 HP) | 2019+\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eOEM Cross Reference (BMC):\u003c\/strong\u003e MERCEDES-BENZ A1390940100\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eFrequently Asked Questions \u0026amp; Fitment Warnings\u003c\/h3\u003e\n\u003ch4\u003eDoes this fit the W176, C117, and X156 A-Class, CLA-Class, and GLA-Class?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct drop-in replacement for the Mercedes-AMG 45 platform (A 45, CLA 45 and GLA 45, 2019+) and the Lotus Emira 2.0 Turbo (2023+). \u003cstrong\u003eConfirm your OEM airbox shape and filter dimensions prior to ordering if running non-AMG standard 4-cylinder models.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch4\u003eIs an ECU recalibration required after installing this filter?\u003c\/h4\u003e\n\u003cp\u003eNo, this panel filter drops directly into the OEM housing and operates seamlessly within the factory fuel trims and MAF sensor calibrations.\u003c\/p\u003e\n\u003ch3\u003eThe Mercedes-Benz Engineering Standard\u003c\/h3\u003e\n\u003cp\u003eEngineered for high-output European turbocharged applications, this BMC filtration system maintains strict OEM tolerances, ensuring zero check engine lights, airtight perimeter sealing, and continuous reliability under sustained boost pressure.\u003c\/p\u003e","brand":"BMC","offers":[{"title":"Default Title","offer_id":67576572707064,"sku":"DS-FB01099","price":185.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/performance-air-filter-for-mercedes-amg-a45-cla45-gla45-lotus-emira-fb01099-1.jpg?v=1791226732","url":"https:\/\/performancechiptuning.com\/products\/performance-air-filter-for-mercedes-amg-a45-cla45-gla45-lotus-emira-fb01099","provider":"Performance Chip Tuning","version":"1.0","type":"link"}