{"product_id":"dinan-semi-open-cold-air-intake-bmw-f2x-f3x-m240i-340i-440i","title":"Dinan Semi-Open Cold Air Intake - BMW F22 \/ F30 \/ F32 \/ F36 M240i \/ 340i \/ 440i","description":"\u003cp\u003eThe Dinan Semi-Open Cold Air Intake for B58-powered F-Chassis BMWs improves on the factory design by enlarging both the airbox and filter element, reducing turbocharger strain and improving throttle response throughout the rev range. The semi-open aperture adds an intake sound component for a more engaging driving experience compared to the closed-box equivalent. The intake pipe received equal engineering attention: the factory tube incorporates baffling and a Helmholtz resonance chamber designed to suppress intake sound, features that also generate turbulent airflow and cost the system available power. Dinan removes both, replacing them with a smooth, high-flow path that better serves what performance-oriented drivers are actually after.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e+\u003c\/strong\u003e Enlarged airbox and high-flow filter element for reduced turbocharger strain\u003cbr\u003e\u003cstrong\u003e+\u003c\/strong\u003e Semi-open aperture for pronounced intake sound over the closed-box design\u003cbr\u003e\u003cstrong\u003e+\u003c\/strong\u003e Intake pipe eliminates factory baffling and Helmholtz chamber for smoother airflow\u003cbr\u003e\u003cstrong\u003e+\u003c\/strong\u003e Removes turbulence-inducing features that cost the OEM system power\u003cbr\u003e\u003cstrong\u003e+\u003c\/strong\u003e Improved throttle response throughout the RPM range\u003cbr\u003e\u003cstrong\u003e+\u003c\/strong\u003e Fits BMW F22 M240i, F30 340i, F32 440i, and F36 440i with B58 engine\u003c\/p\u003e","brand":"Dinan","offers":[{"title":"Default Title","offer_id":51268704927990,"sku":"DNND760-0046-A","price":584.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2674\/6278\/files\/31f5e003ed6900fbbd4ed48c2ea8c753L.jpg?v=1784135621","url":"https:\/\/autotecknic.com\/products\/dinan-semi-open-cold-air-intake-bmw-f2x-f3x-m240i-340i-440i","provider":"AutoTecknic USA","version":"1.0","type":"link"}