{"product_id":"koyo-radiator-drain-plug","title":"Koyo Radiator Drain Plug","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003ePI-1186\u003c\/span\u003e | \u003cstrong\u003eUPC:\u003c\/strong\u003e 847839000760\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eKoyo Radiator Drain Plug for BMW 3 Series E36 1992-1999 and 5 Series E39 1997-2003 PI-1186\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe Koyo Radiator Drain Plug PI-1186 replaces fragile OEM plastic plugs in BMW E36 3 Series 1992-1999 and E39 5 Series 1997-2003 models including Z3 variants. Built from billet aluminum this plug endures extreme track pressures and heat while enabling fast mess-free coolant drains during maintenance. Its robust construction ensures radiator integrity for street driving or racing demands.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBillet Aluminum Construction:\u003c\/strong\u003e Resists corrosion and cracking far better than stock plastic for long-term radiator protection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eM14x1.5 Thread Pitch:\u003c\/strong\u003e Ensures precise fit into factory radiator ports without modifications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eViton O-Ring Seal:\u003c\/strong\u003e Provides a tight leak-proof barrier against coolant loss even under vibration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuarter-Turn Design:\u003c\/strong\u003e Allows fast partial or full draining without tools for convenient service intervals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerformance Engineered:\u003c\/strong\u003e Handles demands of modified engines and racing conditions with consistent reliability\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eDirect bolt-on replacement for OEM part numbers on specified BMW models\u003c\/li\u003e\n\u003cli\u003eCompatible with all coolant types including water wetter mixes\u003c\/li\u003e\n\u003cli\u003eCompact design ships in protective packaging to prevent damage\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eProfessional installation recommended.\u003c\/li\u003e\n\u003cli\u003eDrain existing coolant fully before removing old plug to avoid spills\u003c\/li\u003e\n\u003cli\u003eTorque to 8-10 Nm using OEM radiator hardware no additional parts needed\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eThis Part Fits\u003c\/h4\u003e\n\u003ctable border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eYear\u003c\/th\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eSubmodel\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e1992-1995\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e3 Series\u003c\/td\u003e\n\u003ctd\u003e318i E36\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1992-1995\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e3 Series\u003c\/td\u003e\n\u003ctd\u003e318is E36\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1995-1999\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e3 Series\u003c\/td\u003e\n\u003ctd\u003e318ti E36\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1992-1999\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e3 Series\u003c\/td\u003e\n\u003ctd\u003e325i E36\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1992-1999\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e3 Series\u003c\/td\u003e\n\u003ctd\u003e325is E36\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1995-1999\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e3 Series\u003c\/td\u003e\n\u003ctd\u003eM3 E36\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1996-1999\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e3 Series\u003c\/td\u003e\n\u003ctd\u003e328i E36\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1996-1999\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e3 Series\u003c\/td\u003e\n\u003ctd\u003e328is E36\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1997-2002\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eZ3\u003c\/td\u003e\n\u003ctd\u003eAll E36\/7 E36\/8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1997-2003\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e5 Series\u003c\/td\u003e\n\u003ctd\u003e528i E39\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1998-2003\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e5 Series\u003c\/td\u003e\n\u003ctd\u003e540i E39\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1998-2003\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e5 Series\u003c\/td\u003e\n\u003ctd\u003eM5 E39\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eWhy Choose Koyo?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eDecades of motorsport experience in cooling components\u003c\/li\u003e\n\u003cli\u003eCNC machined from aerospace-grade aluminum\u003c\/li\u003e\n\u003cli\u003eProven in BMW racing applications worldwide\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Will PI-1186 fit my 1996 BMW E36 328i?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Yes it directly replaces the factory drain plug on all E36 328i models from 1996-1999 with M14x1.5 radiator ports\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What material is the seal made from?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e High-temperature Viton O-ring resists degradation from coolant additives and heat up to 400F\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Is there a warranty on this drain plug?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Backed by Koyo 1-year limited warranty against manufacturing defects when installed correctly\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eShipping \u0026amp; Handling\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMethod:\u003c\/strong\u003e UPS Ground or USPS Priority\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailability:\u003c\/strong\u003e In stock - ships same or next business day\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Protective padded envelope 4 x 3 x 1 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.10 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Koyo","offers":[{"title":"Default Title","offer_id":43781108072527,"sku":"KOYPI-1186","price":13.6,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/koyo-radiator-drain-plug-koyo.jpg?v=1767416855","url":"https:\/\/www.blackopsautoworks.com\/products\/koyo-radiator-drain-plug","provider":"Black Ops Auto Works","version":"1.0","type":"link"}