{"product":{"id":10933180662102,"title":"Ramair Dual-Layer Foam Panel Air Filter - BMW 1 Series (E81) 116i (N43) 2007-2011 \u0026 more | RPF-1232","body_html":"\u003ch2\u003eSummary\u003c\/h2\u003e\u003cp\u003eThe N43-era four-cylinder petrol BMWs are honest, high-volume cars, and this compact 160mm x 140mm panel is their washable airbox element. Ramair's dual-layer foam drops into the factory airbox on the 116i, 316i, 320i and X1 sDrive18i applications in the table - UK-made and reusable, fitted in the time it takes to unclip the lid.\u003c\/p\u003e\u003ch2\u003eBest For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e116i and 316i N43 owners keeping running costs sensible\u003c\/li\u003e\n\u003cli\u003eE90\/E92\/E93 320i petrols on the same panel\u003c\/li\u003e\n\u003cli\u003eX1 sDrive18i drivers\u003c\/li\u003e\n\u003cli\u003eFirst-car BMWs maintained on a budget\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eKey Specs\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: Ramair\u003c\/li\u003e\n\u003cli\u003eProduct type: Panel air filter (drop-in)\u003c\/li\u003e\n\u003cli\u003eSKU: RPF-1232\u003c\/li\u003e\n\u003cli\u003eVehicle application: BMW 1 Series (E81\/E87) 116i N43, 3 Series (E90\/E91\/E92\/E93) 316i \/ 320i, X1 (E84) sDrive 18i - see table\u003c\/li\u003e\n\u003cli\u003eFilter media: Ramair dual-layer foam (MAF safe)\u003c\/li\u003e\n\u003cli\u003ePanel size: 160mm x 140mm\u003c\/li\u003e\n\u003cli\u003eMade in the UK\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFitment And Setup Checks\u003c\/h2\u003e\u003cp\u003eThe 116i and 316i N43 rows carry several overlapping year spans from the source data - every listed span is covered, so match chassis code, engine and year and check the part number if your car sits at a boundary. Ramair's RPF-1233 covers the N45N-engined cars instead.\u003c\/p\u003e\u003ch3\u003eSupported Vehicles\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eYear\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e1 Series (E81) 116i (N43)\u003c\/td\u003e\n\u003ctd\u003e2007-2011\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e1 Series (E81) 116i (N43)\u003c\/td\u003e\n\u003ctd\u003e2008-2011\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e1 Series (E87) 116i (N43)\u003c\/td\u003e\n\u003ctd\u003e2004-2011\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e1 Series (E87) 116i (N43)\u003c\/td\u003e\n\u003ctd\u003e2007-2011\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e1 Series (E87) 116i (N43)\u003c\/td\u003e\n\u003ctd\u003e2009-2011\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e3 Series (E90) 316i (N43)\u003c\/td\u003e\n\u003ctd\u003e2005-2011\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e3 Series (E90) 316i (N43)\u003c\/td\u003e\n\u003ctd\u003e2007-2011\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e3 Series (E91) 316i (N43)\u003c\/td\u003e\n\u003ctd\u003e2008-2012\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e3 Series (E92) 316i (N43)\u003c\/td\u003e\n\u003ctd\u003e2007-2013\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e3 Series (E90) 320i\u003c\/td\u003e\n\u003ctd\u003e2007-2011\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e3 Series (E92) 320i\u003c\/td\u003e\n\u003ctd\u003e2007-2013\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e3 Series (E93) 320i\u003c\/td\u003e\n\u003ctd\u003e2007-2013\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eX1 (E84) sDrive 18i\u003c\/td\u003e\n\u003ctd\u003e2010-2015\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer\u003c\/th\u003e\n\u003ctd\u003eRamair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003ePanel air filter (drop-in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSKU\u003c\/th\u003e\n\u003ctd\u003eRPF-1232\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVehicle Application\u003c\/th\u003e\n\u003ctd\u003eBMW 1 Series (E81\/E87) 116i N43, 3 Series (E90\/E91\/E92\/E93) 316i \/ 320i, X1 (E84) sDrive 18i - see table\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFilter Media\u003c\/th\u003e\n\u003ctd\u003eDual-layer reticulated foam\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePanel Length\u003c\/th\u003e\n\u003ctd\u003e160mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePanel Width\u003c\/th\u003e\n\u003ctd\u003e140mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCountry of Manufacture\u003c\/th\u003e\n\u003ctd\u003eUnited Kingdom\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eHow do I know my car is the N43 engine?\u003c\/h3\u003e\u003cp\u003eN43 is the direct-injection four-cylinder in later E8x\/E9x 116i and 316i cars - check your engine code or registration against the table, and see Ramair's RPF-1233 if yours is the N45N.\u003c\/p\u003e\u003ch3\u003eWhy are the same models listed with different years?\u003c\/h3\u003e\u003cp\u003eThe source fitment data lists several overlapping spans; all of them are covered by this panel. Match your exact year and confirm the part number if in doubt.\u003c\/p\u003e\u003ch3\u003eWhat keeps it serviceable?\u003c\/h3\u003e\u003cp\u003eWash and refit with Ramair's \u003ca href=\"\/products\/ramair-air-filter-cleaning-kit-polymer-treatment-ck-003\"\u003eCK-003 cleaning kit\u003c\/a\u003e, sold separately - the element itself stays in service.\u003c\/p\u003e","vendor":"Ramair","product_type":"Panel Filter","created_at":"2026-07-03T13:07:38+01:00","handle":"ramair-dual-layer-foam-panel-air-filter-bmw-1-series-e81-116i-n43-2007-2011-more-rpf-1232","updated_at":"2026-09-14T13:17:52+01:00","published_at":"2026-07-03T13:07:38+01:00","template_suffix":null,"published_scope":"global","tags":"brand:ramair, cat:air-intake, dept:performance-parts, fits:bmw-1-series, fits:bmw-3-series, fits:bmw-x1, make:bmw, type:panel-filter","variants":[{"id":54418681856342,"product_id":10933180662102,"title":"Default 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