{"product_id":"k-n-57-0197-performance-air-intake-system","title":"K\u0026N 57-0197 Performance Air Intake Induction Kit for BMW 5 Series E34 525i 2.5 Petrol 1988-1991","description":"\u003cdiv class=\"product__description rte\"\u003e\n  \n  \u003ch2\u003eK\u0026amp;N 57-0197 Induction System Upgrade for BMW E34 525i 2.5 Petrol 1988 to 1991\u003c\/h2\u003e\n  \n  \u003cp\u003e\n    Unlock smoother airflow and a stronger intake note on your classic 5 Series with the K\u0026amp;N 57-0197. This high-flow induction setup replaces the restrictive factory tract on the 2.5 straight six, delivering crisper throttle response and a more engaging drive without compromising everyday usability. The cotton gauze element is washable and reusable, making it a smart long-term upgrade for enthusiasts who want performance and practicality in one package.\n  \u003c\/p\u003e\n  \n  \u003cp\u003e\n    We have installed this kit at MJ Modifications and customer feedback has been excellent, praising the sharper response and purposeful sound under load. If you are searching for a cone filter conversion, open air filter kit, sports induction kit, performance intake upgrade, uprated inlet system or an aftermarket filter solution for the E34 525i 2.5 petrol, this is exactly the part you are after.\n  \u003c\/p\u003e\n  \n  \u003ch3\u003eKey benefits\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eFree-flowing intake path for improved engine breathing and a sporty induction growl\u003c\/li\u003e\n    \u003cli\u003eReusable cotton gauze filter element for long service life and easy maintenance\u003c\/li\u003e\n    \u003cli\u003eDirect replacement upgrade designed to suit the 2.5 fuel-injected six-cylinder\u003c\/li\u003e\n    \u003cli\u003eProven, enthusiast-approved kit ideal for road use and spirited driving\u003c\/li\u003e\n    \u003cli\u003eQuality components from a trusted brand in performance filtration\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \n  \u003ch3\u003eVehicle suitability\u003c\/h3\u003e\n  \u003cp\u003e\n    Intended for:\n  \u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003eBMW 5 Series E34\u003c\/li\u003e\n    \u003cli\u003e525i 2.5 petrol, fuel injected, inline-six\u003c\/li\u003e\n    \u003cli\u003eModel years 1988, 1989, 1990, 1991\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003e\n    Not sure it fits your car. At checkout, include your UK registration or last 7 of your VIN and we will verify compatibility before dispatch.\n  \u003c\/p\u003e\n  \n  \u003ch3\u003ePart number\u003c\/h3\u003e\n  \u003cp\u003e\u003cstrong\u003e57-0197\u003c\/strong\u003e\u003c\/p\u003e\n  \n  \u003ch3\u003eProfessional fitting\u003c\/h3\u003e\n  \u003cp\u003e\n    Want it installed properly. MJ Modifications in Warwickshire offers fitting for this K\u0026amp;N 57-0197 kit on BMW E34 525i models. Request a quote by emailing \u003ca href=\"mailto:info@mjmodifications.co.uk\"\u003einfo@mjmodifications.co.uk\u003c\/a\u003e.\n  \u003c\/p\u003e\n  \n  \u003ch3\u003ePopular search terms\u003c\/h3\u003e\n  \u003cp\u003e\n    BMW 525i E34 intake upgrade, 2.5 petrol cone filter kit, E34 sports induction, performance filter BMW 525i 1988 to 1991, high flow inlet kit, open cone intake 525i, K and N 57 0197, washable air filter BMW 5 Series E34, aftermarket induction system 2.5L, BMW 525i air filter upgrade, cold air style intake conversion, straight six intake kit E34, uprated intake pipe and filter, BMW 525i 2.5 performance filter kit.\n  \u003c\/p\u003e\n  \n\u003c\/div\u003e","brand":"K\u0026N","offers":[{"title":"Default Title","offer_id":56008661303682,"sku":null,"price":135.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/5445\/8937\/files\/51wmv2SqmpL._AC_SL1048.jpg?v=1764090361","url":"https:\/\/mjmodifications.co.uk\/products\/k-n-57-0197-performance-air-intake-system","provider":"MJ Modifications","version":"1.0","type":"link"}