{"product_id":"ngk-laser-iridium-spark-plugs-bmw-b48-b58-silzkgr8b8s-94201","title":"NGK Laser Iridium Spark Plugs - BMW B48 \/ B58 Engines - Heat Range 8","description":"\u003ch2\u003eNGK Laser Iridium Spark Plugs for BMW B48 and B58 Engines (SILZKGR8B8S)\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eNGK Laser Iridium SILZKGR8B8S\u003c\/strong\u003e (NGK stock number 94201) is made for BMW's turbocharged \u003cstrong\u003eB48 four-cylinder\u003c\/strong\u003e and \u003cstrong\u003eB58 six-cylinder\u003c\/strong\u003e engines. With a cold heat range of 8, it suits both factory cars and tuned builds, including higher boost, E85, water\/methanol injection and upgraded turbo setups.\u003c\/p\u003e\n\u003cp\u003eA fine-wire iridium centre electrode and a platinum-tipped ground electrode give a strong, consistent spark and a slow wear rate, so idle stays stable and ignition stays reliable under load.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFine-wire iridium-tipped centre electrode\u003c\/li\u003e\n\u003cli\u003ePlatinum-tipped ground electrode for long service life\u003c\/li\u003e\n\u003cli\u003eCold heat range 8 for factory and tuned B48 \/ B58 engines\u003c\/li\u003e\n\u003cli\u003ePure alumina silicate ceramic insulator for strength and heat transfer\u003c\/li\u003e\n\u003cli\u003eCopper core helps carry heat away from the tip\u003c\/li\u003e\n\u003cli\u003eTrivalent metal plating resists corrosion and thread seizing\u003c\/li\u003e\n\u003cli\u003eCorrugated ribs help prevent flashover\u003c\/li\u003e\n\u003cli\u003eTriple seals prevent combustion gas leakage\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhich set do I need?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSet of 4:\u003c\/strong\u003e B48 four-cylinder engines (for example 120i, 220i, 230i, 320i, 330i, 420i, 430i, 520i, 530i)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSet of 6:\u003c\/strong\u003e B58 six-cylinder engines (for example M140i, M240i, 340i, M340i, 440i, M440i, 540i, 740i, X3 M40i, X4 M40i)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTuned engines:\u003c\/strong\u003e a gap of 0.56mm to 0.58mm (0.022\" to 0.023\") is recommended for tuned engines. Check the gap before fitting and follow your tuner's advice.\u003c\/p\u003e\n\u003cp\u003eVehicle fitment is listed in the tabs above. These plugs suit B48 and B58 engines only, so earlier cars with N13, N20 or N55 engines need a different plug. Not sure what your car has? Contact our team at \u003ca href=\"mailto:sales@chicaneaustralia.com.au\"\u003esales@chicaneaustralia.com.au\u003c\/a\u003e.\u003c\/p\u003e","brand":"NGK","offers":[{"title":"Set of 4 (B48)","offer_id":54446793556261,"sku":"94201","price":145.0,"currency_code":"AUD","in_stock":true},{"title":"Set of 6 (B58)","offer_id":54446793589029,"sku":"94201-6","price":215.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0918\/2943\/6709\/files\/73109e58daa3592ffb13098b193b24d2.jpg?v=1794340573","url":"https:\/\/www.chicaneaustralia.com.au\/products\/ngk-laser-iridium-spark-plugs-bmw-b48-b58-silzkgr8b8s-94201","provider":"Chicane Australia","version":"1.0","type":"link"}