{"product_id":"k-n-high-flow-original-lifetime-engine-air-filter-for-bmw-2015-2021-33-3051","title":"K\u0026N High-Flow Original Lifetime Engine Air Filter for BMW (2015–2021) | 33-3051","description":"\u003ch2\u003eUpgrade your BMW’s air intake with the K\u0026amp;N High-Flow Air Filter\u003c\/h2\u003e\n\u003cp\u003eThe K\u0026amp;N High-Flow Original Lifetime Engine Air Filter is designed to move more air than a standard disposable filter, which can help your engine breathe easier under load. While results vary by model and driving style, the filter is engineered to support improved engine performance by increasing airflow and optimizing air delivery to the intake system.\u003c\/p\u003e\n\u003cp\u003eBuilt to last, this washable, reusable filter is backed by K\u0026amp;N’s well-known 10-Year\/Million Mile Limited Warranty, offering a durable upgrade from disposable filters. The media uses multiple layers of premium cotton gauze treated with a specialized tacking agent, creating a robust mesh that helps trap contaminants while allowing steady airflow.\u003c\/p\u003e\n\u003ch3\u003eKey benefits and what to expect\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePotentially increased horsepower and throttle response due to improved airflow\u003c\/li\u003e\n  \u003cli\u003eWashable and reusable design that lasts the life of the vehicle\u003c\/li\u003e\n  \u003cli\u003e4-layer cotton gauze media with engineered protection against contaminants\u003c\/li\u003e\n  \u003cli\u003eEasy installation: drops into the factory air box in minutes\u003c\/li\u003e\n  \u003cli\u003eEco-friendly choice that reduces disposable filter waste\u003c\/li\u003e\n  \u003cli\u003eMade in the USA with durable construction for reliable performance\u003c\/li\u003e\n  \u003cli\u003eLong service interval: clean approximately every 75,000 miles under normal highway driving\u003c\/li\u003e\n  \u003cli\u003eBacked by a no-hassle 10-Year\/Million Mile Limited Warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReal-world use and fit\u003c\/h3\u003e\n\u003cp\u003eCompatible with a broad range of 2015–2021 BMW models, including popular 3-series and 4-series variants. The filter is designed to fit directly into your factory air box, enabling a straightforward upgrade without additional parts.\u003c\/p\u003e\n\u003cp\u003eIn daily driving, you might notice crisper throttle response and smoother power delivery as the engine breathes easier. The washable design supports long-term use and helps reduce waste compared with disposable options.\u003c\/p\u003e\n\u003cp\u003eManufacturing and testing focus on performance and reliability, drawing on K\u0026amp;N’s motorsport heritage to inform material choice and construction. This combination aims to deliver a confident, performance-oriented upgrade for enthusiasts and everyday drivers alike.\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this filter compatible with my BMW model years?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Listed models span 2015–2021 BMWs; verify your year, model, and engine type to confirm fit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How do I maintain the filter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Washable and reusable—clean as directed, typically every 50k–75k miles depending on driving conditions.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e\u003c\/p\u003e","brand":"K\u0026N","offers":[{"title":"Default Title","offer_id":42470984253525,"sku":"B01KABDJGA","price":73.03,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/kn-high-flow-original-bmw-air-filter-side-view.jpg?v=1778159125","url":"https:\/\/plentytorque.co.uk\/products\/k-n-high-flow-original-lifetime-engine-air-filter-for-bmw-2015-2021-33-3051","provider":"PlentyTorque","version":"1.0","type":"link"}