{"product_id":"ngk-laser-iridium-spark-plug-silzkgr8b8s-94201-bmw-b58-gen-1-f-series-m140i-m240i-340i-440i","title":"NGK Laser Iridium Spark Plug SILZKGR8B8S (94201) – BMW B58 Gen 1 F Series M140i \/ M240i \/ 340i \/ 440i","description":"\u003cp\u003e\u003cstrong\u003eFits:\u003c\/strong\u003e BMW Gen 1 B58 F Series (2016–2019\/21) – F20 M140i, F22 M240i Coupe, F23 M240i Convertible, F30 340i, F32\/F33\/F36 440i.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoesn't fit:\u003c\/strong\u003e Gen 2 B58TU (G Series \/ Supra MkV) or S58 engines.\u003c\/p\u003e\u003cp\u003eGenuine NGK Laser Iridium spark plug, the factory-spec plug for the Gen 1 BMW B58. A great service replacement for stock cars and a proven choice for Stage 1 and Stage 2 tuned cars.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eBrand: NGK Laser Iridium\u003c\/li\u003e\n\u003cli\u003ePart number: SILZKGR8B8S (NGK stock no. 94201)\u003c\/li\u003e\n\u003cli\u003ePriced each – the B58 needs 6\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitting notes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFor Stage 2 tuned cars, we recommend gapping the plugs down to around 0.022\" (0.55mm) to help prevent misfires under boost.\u003c\/li\u003e\n\u003cli\u003eFit to a cold engine and torque to spec.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eHow many do I need?\u003c\/strong\u003e\u003cbr\u003eSix – one per cylinder.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill these suit my Stage 2 tune?\u003c\/strong\u003e\u003cbr\u003eYes. Gapped down, these suit Stage 1 and Stage 2 tuned Gen 1 B58s. For bigger turbo builds, contact us about a colder plug.\u003c\/p\u003e\u003cp\u003eNot sure? Contact our technical team before ordering.\u003c\/p\u003e","brand":"NGK","offers":[{"title":"Default Title","offer_id":67943944257766,"sku":"SILZKGR8B8S","price":34.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/7541\/7574\/files\/SILZKGR8B8S_1024x_e54295ec-79ce-4590-af0b-493ab0af2583.jpg?v=1793610944","url":"https:\/\/boostedengineering.com.au\/ja\/products\/ngk-laser-iridium-spark-plug-silzkgr8b8s-94201-bmw-b58-gen-1-f-series-m140i-m240i-340i-440i","provider":"Boosted Engineering","version":"1.0","type":"link"}