{"product_id":"cold-spark-plug-set-b58","title":"Cold Spark Plug Set — B58","description":"\u003cp\u003e\u003cstrong\u003eOne-step-colder spark plug set for the B58 platform.\u003c\/strong\u003e Six plugs (the B58 inline-six cylinder count), NGK or Denso, validated heat range for B58 builds running Stage 2 or higher boost. Standalone — buy the plugs without the matched calibration if you've already got your tune sorted.\u003c\/p\u003e\n\n\u003ch3\u003eB58 specifics\u003c\/h3\u003e\n\u003cp\u003eThe OEM plug heat range was calibrated for the stock boost window; sustained operation in the Stage 2+ window crosses into the heat-soak risk zone for the factory-spec plug. Colder heat range pulls combustion heat out faster — the trade-off is slightly worse low-load self-cleaning, which the B58's modern direct-injection strategy handles cleanly.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's in the box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eSet of 6 one-step-colder plugs (NGK or Denso, model spec confirmed at intake based on your current B58 generation — B58TU0 \/ B58TU1 \/ B58TU2 have slightly different plug specs)\u003c\/li\u003e\n  \u003cli\u003eOEM-equivalent gap pre-set at 0.025\" (verify with feeler gauge before install)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePair with the calibration\u003c\/h3\u003e\n\u003cp\u003eFor Stage 2 or Stage 3 calibrations bundled with the matched plug set, use the standalone tune products at \u003ca href=\"\/products\/tune-g20-m340i\"\u003ethe chassis-specific tune page\u003c\/a\u003e and add this plug set to cart together. Bundle pricing for Cold Plugs + Tune is currently only published for the B48 platform; B58 bundle pricing is per-build at intake.\u003c\/p\u003e\n\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003eB58 platform — all generations (B58TU0 \/ B58TU1 \/ B58TU2). Confirm your specific engine generation at intake — we ship the plug spec matched to your year and chassis.\u003c\/p\u003e","brand":"Esse Werks","offers":[{"title":"Default Title","offer_id":43280734421053,"sku":"EW-PLUG-COLD-B58","price":135.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2553\/8109\/files\/dinan_cold_spark_BLK01.webp?v=1781742811","url":"https:\/\/essewerks.com\/products\/cold-spark-plug-set-b58","provider":"Esse Werks","version":"1.0","type":"link"}