{"product_id":"k-n-performance-air-filter-4-series-f32-33-36-82-418d-420d-425d-2013","title":"K\u0026N Performance High-Flow Washable Panel Air Filter for BMW 4 Series Diesel (F32\/F33\/F36\/F82) 418d 420d 425d 2013-on | Reusable Drop-In OEM Replacement","description":"\u003cdiv\u003e\n  \u003ch2\u003eK\u0026amp;N Performance Air Filter for BMW 4 Series F32 F33 F36 F82 418d 420d 425d 2013 onwards\u003c\/h2\u003e\n  \n  \u003cp\u003eUpgrade your BMW 4 Series with a genuine K\u0026amp;N performance air filter and unlock easy, reliable performance. This high-flow, washable, reusable panel air filter is a direct drop-in replacement for your stock paper filter, designed to increase horsepower and improve acceleration while maintaining excellent engine protection and filtration. It fits the original BMW air box with no modifications, keeping your OEM setup intact while letting your engine breathe better.\u003c\/p\u003e\n  \n  \u003cp\u003ePerfect for daily driving and spirited road use, the K\u0026amp;N replacement air filter delivers strong airflow and long service life. Many of our Nforcd customers choose this as their first performance upgrade because it is quick to fit, cost-effective over time and proven. We run K\u0026amp;N filters in our own cars and the feedback has been consistently positive.\u003c\/p\u003e\n  \n  \u003ch3\u003eKey features and benefits\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eDesigned to boost horsepower and rate of acceleration\u003c\/li\u003e\n    \u003cli\u003eHigh airflow with exceptional filtration for BMW diesel engines\u003c\/li\u003e\n    \u003cli\u003eWashable and reusable panel filter for long-term value\u003c\/li\u003e\n    \u003cli\u003eUp to 50,000 miles between cleans depending on driving conditions\u003c\/li\u003e\n    \u003cli\u003eDirect replacement for the OEM filter in the factory air box\u003c\/li\u003e\n    \u003cli\u003eWorks with original vehicle electronics, no tuning required\u003c\/li\u003e\n    \u003cli\u003eWill not void your vehicle warranty\u003c\/li\u003e\n    \u003cli\u003eK\u0026amp;N Million-Mile Limited Warranty\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \n  \u003ch3\u003eFitment and compatibility\u003c\/h3\u003e\n  \u003cp\u003eBMW 4 Series 2013 onwards, including:\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003eF32 Coupe 418d, 420d, 425d\u003c\/li\u003e\n    \u003cli\u003eF33 Convertible 418d, 420d, 425d\u003c\/li\u003e\n    \u003cli\u003eF36 Gran Coupe 418d, 420d, 425d\u003c\/li\u003e\n    \u003cli\u003eF82 as listed\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003eSearch terms: BMW 4 Series air filter, BMW 4 Series performance air filter, K\u0026amp;N BMW 4 Series filter, K\u0026amp;N panel filter BMW F32 F33 F36 F82, BMW 418d air filter, BMW 420d air filter, BMW 425d air filter, washable reusable air filter, drop-in panel filter, OEM air box filter upgrade, 2013-on BMW diesel filter.\u003c\/p\u003e\n  \n  \u003ch3\u003eWhy choose a K\u0026amp;N replacement filter\u003c\/h3\u003e\n  \u003cp\u003eK\u0026amp;N’s drop-in design means simple performance gains without compromising reliability. Replace your disposable paper filter once and enjoy long intervals between services with straightforward cleaning. Strong airflow plus excellent filtration gives your BMW efficient breathing for responsive performance and dependable protection.\u003c\/p\u003e\n  \n  \u003ch3\u003eInstallation and fitting\u003c\/h3\u003e\n  \u003cp\u003eThis is a quick DIY install with basic tools. If you would prefer professional fitting, Nforcd can help. We offer installation at our Warwickshire workshop. Request a fitting quote by emailing \u003ca href=\"mailto:Sales@nforcd.com\"\u003eSales@nforcd.com\u003c\/a\u003e.\u003c\/p\u003e\n  \n  \u003cp\u003eOrder your K\u0026amp;N performance air filter today for a simple, proven upgrade to your BMW 4 Series. Better airflow, strong filtration and long-term value in one essential panel filter.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Performance M","offers":[{"title":"Default Title","offer_id":42448133554364,"sku":"gz14bqd8to","price":63.89,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/9465\/6700\/products\/33-2990__31329.1536750835.jpg?v=1673108804","url":"https:\/\/www.nforcd.com\/products\/k-n-performance-air-filter-4-series-f32-33-36-82-418d-420d-425d-2013","provider":"Nforcd","version":"1.0","type":"link"}