{"product_id":"ngk-94201-silzkgr8b8s-laser-iridium-spark-plug-b58-s58","title":"NGK 94201 (SILZKGR8B8S) Laser Iridium Spark Plug - B58 (Gen 1)","description":"\u003ch2\u003eOVERVIEW\u003c\/h2\u003e\n\u003cp\u003eThe NGK 94201 (SILZKGR8B8S) Laser Iridium spark plug is the OE-spec replacement plug for the Gen 1 B58 engine. Genuine NGK — not a knockoff.\u003c\/p\u003e\n\u003ch2\u003eSPECS\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFine-wire iridium-tipped center electrode and platinum-tipped ground electrode for slow wear rate, stable idle, and superior anti-fouling\u003c\/li\u003e\n\u003cli\u003eTrivalent metal plating for anti-corrosion and anti-seizing properties\u003c\/li\u003e\n\u003cli\u003eSame heat range as stock, capable of handling 700+ WHP and 100% E85 on tuned applications\u003c\/li\u003e\n\u003cli\u003eFactory-preset gap at 0.030\"; recommend closing to 0.018\"-0.022\" for aftermarket turbo applications\u003c\/li\u003e\n\u003cli\u003eSix plugs required per engine (B58 is inline-6)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePARTS INCLUDED\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSpark plugs (quantity per selected pack — 4-pack or 6-pack)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTECH RESOURCES\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eRecommended replacement interval: every 45,000 miles stock, every 20,000 miles on tuned cars above stock boost\u003c\/li\u003e\n\u003cli\u003eThis plug is for Gen 1 B58 only — it is NOT the correct plug for Gen 2\/3 B58 or S58 engines, since using it there can cause idle misfire and poor combustion at wide-open throttle; for Gen 2\/3 B58 and S58, use the NGK 96206 instead\u003c\/li\u003e\n\u003cli\u003eBeware of counterfeit NGK plugs sold cheaply on marketplaces — these are genuine NGK product\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePART NUMBER\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eNGK-94201-SILZKGR8B8S\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eVEHICLE APPLICATIONS\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eChassis\u003c\/th\u003e\n\u003cth\u003eEngine\u003c\/th\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eM240i\u003c\/td\u003e\n\u003ctd\u003eF22\/F23\u003c\/td\u003e\n\u003ctd\u003eB58 (Gen 1)\u003c\/td\u003e\n\u003ctd\u003e2016–2021\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e340i\u003c\/td\u003e\n\u003ctd\u003eF30\/F31\/F34\u003c\/td\u003e\n\u003ctd\u003eB58 (Gen 1)\u003c\/td\u003e\n\u003ctd\u003e2016–2019\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e440i\u003c\/td\u003e\n\u003ctd\u003eF32\/F33\/F36\u003c\/td\u003e\n\u003ctd\u003eB58 (Gen 1)\u003c\/td\u003e\n\u003ctd\u003e2016–2020\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eX3 M40i\u003c\/td\u003e\n\u003ctd\u003eG01\u003c\/td\u003e\n\u003ctd\u003eB58 (Gen 1)\u003c\/td\u003e\n\u003ctd\u003e2018–2019\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eX4 M40i\u003c\/td\u003e\n\u003ctd\u003eG02\u003c\/td\u003e\n\u003ctd\u003eB58 (Gen 1)\u003c\/td\u003e\n\u003ctd\u003e2018–2019\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e740i\u003c\/td\u003e\n\u003ctd\u003eG11\u003c\/td\u003e\n\u003ctd\u003eB58 (Gen 1)\u003c\/td\u003e\n\u003ctd\u003e2016–2019\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"NGK","offers":[{"title":"4-Pack","offer_id":53703923990835,"sku":"NGK-94201-4PK","price":70.0,"currency_code":"USD","in_stock":true},{"title":"6-Pack","offer_id":53703924023603,"sku":"NGK-94201-6PK","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0961\/4226\/2579\/files\/PXL_20250206_204951699_1024x1024_323e6d8c-2f1f-495f-adca-cfb9f20c7106.webp?v=1784849642","url":"https:\/\/x58cartel.com\/products\/ngk-94201-silzkgr8b8s-laser-iridium-spark-plug-b58-s58","provider":"x58cartel","version":"1.0","type":"link"}