{"product_id":"k-n-33-2078-replacement-air-filter","title":"K\u0026N 33-2078 High-Flow Washable Performance Panel Air Filter - OEM Replacement for BMW 5 Series E34 (1989-1997) 520i, 525i, M5","description":"\u003cdiv class=\"product__description rte\"\u003e\n  \n  \u003ch2\u003eK\u0026amp;N 33-2078 Performance Panel Insert for BMW E34 5 Series\u003c\/h2\u003e\n  \n  \u003cp\u003eGive your classic 5 Series the breathing it deserves with the K\u0026amp;N 33-2078 panel insert. This serviceable, oiled cotton gauze air cleaner is a direct swap for the factory element in the standard airbox, letting your engine ingest air more efficiently for smoother acceleration, sharper throttle pick up and a more engaging drive. It is a proven upgrade for everyday use and spirited road driving on applicable E34 models.\u003c\/p\u003e\n  \n  \u003cp\u003eWe run K\u0026amp;N filters on our own cars and our customers love the build quality, the noticeable improvement in response and the long-term savings of a washable, reusable element. If you are searching for a sports panel filter for BMW E34, a reusable air cleaner element for 520i or 525i, or an induction upgrade for the E34 M5, this is the go-to choice.\u003c\/p\u003e\n  \n  \u003ch3\u003eKey benefits\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eHigh-flow, multi-layer cotton media for improved intake efficiency and crisp engine response\u003c\/li\u003e\n    \u003cli\u003eWashable and reusable design for long service life and reduced running costs\u003c\/li\u003e\n    \u003cli\u003eDirect-fit panel element for the stock airbox with no cutting or modifications\u003c\/li\u003e\n    \u003cli\u003eDurable construction with robust sealing for consistent filtration\u003c\/li\u003e\n    \u003cli\u003eGreat for daily driving and performance-focused enthusiasts\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \n  \u003ch3\u003ePart number\u003c\/h3\u003e\n  \u003cp\u003e\u003cstrong\u003eK\u0026amp;N 33-2078\u003c\/strong\u003e (also searched as 33 2078 and 332078)\u003c\/p\u003e\n  \n  \u003ch3\u003eFitment guide\u003c\/h3\u003e\n  \u003cp\u003eSuitable for selected BMW E34 applications. Please verify your exact variant before ordering.\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003eBMW 5 Series E34 520i 2.0 24V 1989–1995 and 1991–1997\u003c\/li\u003e\n    \u003cli\u003eBMW 5 Series E34 525i 2.5 24V 1989–1995 and 1991–1997\u003c\/li\u003e\n    \u003cli\u003eBMW M5 E34 3.6 1988–1992, 3.8 1992–1997\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003eTip: If your car is listed as 520i, 525i or M5 within the E34 generation, this panel insert is the correct size for the original airbox on the models above.\u003c\/p\u003e\n  \n  \u003ch3\u003eCompatibility check before dispatch\u003c\/h3\u003e\n  \u003cp\u003eWe will double-check fitment prior to shipping. Add your UK registration or the last 7 of your VIN at checkout so we can confirm the correct filter for your car.\u003c\/p\u003e\n  \n  \u003ch3\u003eInstallation and support\u003c\/h3\u003e\n  \u003cp\u003eDrop-in fit with basic tools. No mapping or additional parts required. Prefer professional installation or a health check of your intake system? Book fitting with MJ Modifications in Warwickshire. Email \u003ca href=\"mailto:info@mjmodifications.co.uk\"\u003einfo@mjmodifications.co.uk\u003c\/a\u003e for a quote.\u003c\/p\u003e\n  \n  \u003ch3\u003eCommon search terms\u003c\/h3\u003e\n  \u003cp\u003eBMW E34 performance filter insert, BMW 5 Series panel element, BMW 520i reusable air filter, BMW 525i sports panel filter, E34 M5 intake filter, BMW E34 cotton gauze air cleaner, K and N 33 2078, KN 33-2078, K\u0026amp;N panel element BMW, lifetime serviceable filter BMW 5 Series, high flow intake upgrade E34.\u003c\/p\u003e\n  \n\u003c\/div\u003e","brand":"K\u0026N","offers":[{"title":"Default Title","offer_id":56008668873090,"sku":null,"price":63.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/5445\/8937\/files\/33-2078_1_1.webp?v=1764090445","url":"https:\/\/mjmodifications.co.uk\/products\/k-n-33-2078-replacement-air-filter","provider":"MJ Modifications","version":"1.0","type":"link"}