{"product_id":"performance-air-filter-for-audi-a6-c8-c9-a7-4k-fb01071","title":"Performance Air Filter for Audi A6 C8 \/ C9 \u0026 A7 4K 2.0 \u0026 3.0 (2018-2026)","description":"\u003ch2\u003eHigh-Flow BMC Performance Panel Air Filter for Audi A6 \u0026amp; A7 (C8 \/ 4K)\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The BMC performance air filter directly replaces the restrictive factory paper element on the Audi A6 and A7 to maximize intake CFM, reduce pressure drop, and sharpen turbo throttle response.\u003c\/p\u003e\n\u003ch3\u003eThe Stock Audi A6 \u0026amp; A7 Airflow Restriction\u003c\/h3\u003e\n\u003cp\u003eFactory \u003cstrong\u003eC8\u003c\/strong\u003e and \u003cstrong\u003e4K\u003c\/strong\u003e platform intakes rely on dense, tightly packed cellulose paper filters engineered for extended service intervals rather than aerodynamic efficiency. Under wide-open throttle, these paper elements create parasitic drag within the airbox, increasing vacuum levels ahead of the turbocharger compressor inlet.\u003c\/p\u003e\n\u003cp\u003eThis airflow bottleneck delays boost threshold, exacerbates turbo lag on turbocharged \u003cstrong\u003eEA839\u003c\/strong\u003e and \u003cstrong\u003eEA888\u003c\/strong\u003e engines, and degrades rapidly when exposed to ambient atmospheric moisture.\u003c\/p\u003e\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eEngineered using low-viscosity oiled multi-layer cotton gauze, the BMC drop-in element provides significantly higher volumetric flow rates while maintaining fine particulate filtration down to 7 microns. The filter media is encapsulated within an epoxy-coated alloy mesh to prevent pleat collapse under high boost induction loads.\u003c\/p\u003e\n\u003cp\u003eMolded using a continuous one-piece polyurethane perimeter gasket, this panel provides an airtight seal inside the factory airbox, eliminating unfiltered bypass and ensuring seamless MAF sensor metering without throwing trouble codes.\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\u003e77mm ID x 152mm OD x 155mm H cylindrical\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 FB01071\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\u003eAudi A7 (4K) 40 TDI Mild Hybrid 2.0 (204 HP) | 2018-2025\u003c\/li\u003e\n\u003cli\u003eAudi A7 (4K) 45 TFSI 2.0 (245 HP) | 2018-2020\u003c\/li\u003e\n\u003cli\u003eAudi A7 (4K) 45 TFSI Mild Hybrid 2.0 (265 HP) | 2020-2025\u003c\/li\u003e\n\u003cli\u003eAudi A7 (4K) 50 TFSI e 2.0 (252 HP) | 2019-2020\u003c\/li\u003e\n\u003cli\u003eAudi A7 (4K) 50 TFSI e 2.0 (265 HP) | 2021-2025\u003c\/li\u003e\n\u003cli\u003eAudi A7 (4K) 55 TFSI e 2.0 (252 HP) | 2019-2020\u003c\/li\u003e\n\u003cli\u003eAudi A7 (4K) 55 TFSI e 2.0 (265 HP) | 2021-2025\u003c\/li\u003e\n\u003cli\u003eAudi A6 (4A\/C8) 2.0 30 TDI MHEV (136 HP) | 2019-2020\u003c\/li\u003e\n\u003cli\u003eAudi A6 (4A\/C8) 2.0 35 TDI MHEV (163 HP) | 2019-2025\u003c\/li\u003e\n\u003cli\u003eAudi A6 (4A\/C8) 2.0 40 TDI e MHEV (190 HP) | 2019-2020\u003c\/li\u003e\n\u003cli\u003eAudi A6 (4A\/C8) 2.0 40 TDI MHEV (204 HP) | 2018-2025\u003c\/li\u003e\n\u003cli\u003eAudi A6 (4A\/C8) 2.0 40 TFSI MHEV (204 HP) | 2020-2025\u003c\/li\u003e\n\u003cli\u003eAudi A6 (4A\/C8) 2.0 45 TFSI MHEV (265 HP) | 2020-2025\u003c\/li\u003e\n\u003cli\u003eAudi A6 (4A\/C8) 2.0 45 TFSI MHEV (245 HP) | 2018-2020\u003c\/li\u003e\n\u003cli\u003eAudi A6 (4A\/C8) 2.0 50 TFSI e-hybrid Phev (299 HP) | 2019-2025\u003c\/li\u003e\n\u003cli\u003eAudi A6 (4A\/C8) 2.0 55 TFSI e-hybrid Phev (367 HP) | 2019-2025\u003c\/li\u003e\n\u003cli\u003eAudi A6 (4A\/C8) 3.0 55 TFSI MHEV (340 HP) | 2018-2024\u003c\/li\u003e\n\u003cli\u003eAudi A6 (C9) 2.0 TDI MHEV (204 HP) | 2024+\u003c\/li\u003e\n\u003cli\u003eAudi A6 (C9) 2.0 TFSI MHEV (204 HP) | 2024+\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eOEM Cross Reference (BMC):\u003c\/strong\u003e AUDI 4K0133844A, AUDI 4K0133844E\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eFrequently Asked Questions \u0026amp; Fitment Warnings\u003c\/h3\u003e\n\u003ch4\u003eDoes this fit the C8 A6 and 4K A7?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct drop-in replacement for the factory airbox on \u003cstrong\u003eC8\u003c\/strong\u003e chassis Audi A6 and A7 models equipped with the \u003cstrong\u003eEA839\u003c\/strong\u003e 3.0T and \u003cstrong\u003eEA888\u003c\/strong\u003e 2.0T engines. Always verify your factory airbox shape prior to ordering.\u003c\/p\u003e\n\u003ch4\u003eDoes this filter require an ECU tune or re-oiling before installation?\u003c\/h4\u003e\n\u003cp\u003eNo tuning is required, and the BMC filter arrives pre-oiled from the factory ready for immediate, drop-in installation.\u003c\/p\u003e\n\u003ch3\u003eThe Audi Performance Standard\u003c\/h3\u003e\n\u003cp\u003eMaintain your Audi's precision German engineering with race-proven induction hardware that delivers zero check-engine lights, factory MAF compatibility, and fully washable, regenerable long-term reliability.\u003c\/p\u003e","brand":"BMC","offers":[{"title":"Default Title","offer_id":67576578015480,"sku":"DS-FB01071","price":108.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/performance-air-filter-for-audi-a6-c8-c9-a7-4k-fb01071-1.jpg?v=1791226919","url":"https:\/\/performancechiptuning.com\/products\/performance-air-filter-for-audi-a6-c8-c9-a7-4k-fb01071","provider":"Performance Chip Tuning","version":"1.0","type":"link"}