{"product_id":"s58-valve-guides","title":"S58 Valve Guides","description":"\u003cp data-start=\"88\" data-end=\"372\"\u003eOur HD bronze valve guides for the \u003cstrong data-start=\"123\" data-end=\"164\"\u003e\u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eBMW S58 engine\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e are engineered for extreme-performance, high-boost applications where OEM materials reach their limits. These guides replace the factory BMW valve guides in the cylinder head (intake and exhaust assemblies).\u003c\/p\u003e\n\u003cp data-start=\"374\" data-end=\"562\"\u003eBuilt to withstand extreme heat, aggressive valve spring pressures, and sustained high RPM operation, they deliver exceptional stability and durability under the most demanding conditions.\u003c\/p\u003e\n\u003cp data-start=\"564\" data-end=\"834\"\u003eMachined from high-quality bronze alloy, they offer superior heat dissipation and significantly reduced wear compared to factory components. The result is more precise valve control, improved sealing, and extended service life in high-performance and race-built engines.\u003c\/p\u003e\n\u003cp data-start=\"836\" data-end=\"1069\"\u003ePerfect for big turbo builds, track-focused cars, and full race applications, these guides are a critical upgrade for anyone pushing the S58 platform beyond factory performance. Precision-built for maximum reliability under pressure.\u003c\/p\u003e\n\u003ch3 data-section-id=\"hlxjgr\" data-start=\"1076\" data-end=\"1106\"\u003e Sold as a complete set:\u003c\/h3\u003e\n\u003cul data-start=\"1107\" data-end=\"1157\"\u003e\n\u003cli data-section-id=\"1jawgfa\" data-start=\"1107\" data-end=\"1132\"\u003e\u003cstrong data-start=\"1109\" data-end=\"1130\"\u003e12x Intake Guides\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"kxivgc\" data-start=\"1133\" data-end=\"1157\"\u003e\u003cstrong data-start=\"1135\" data-end=\"1157\"\u003e12x Exhaust Guides\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"j6xiop\" data-start=\"1164\" data-end=\"1192\"\u003e BMW S58 Applications:\u003c\/h3\u003e\n\u003cdiv class=\"product__description rte quick-add-hidden\"\u003e\n\u003ch4\u003e\u003cstrong data-alcp_ajhbdcgf_prev-pointer-events=\"\" data-alcp_ajhbdcgf_mark=\"1\"\u003eBMW S58 Applications:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong data-alcp_ajhbdcgf_prev-pointer-events=\"\" data-alcp_ajhbdcgf_mark=\"1\"\u003e2 Series\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-alcp_ajhbdcgf_prev-pointer-events=\"\" data-alcp_ajhbdcgf_mark=\"1\"\u003e2023-Present     G87     M2\u003c\/p\u003e\n\u003cp\u003e\u003cstrong data-alcp_ajhbdcgf_prev-pointer-events=\"\" data-alcp_ajhbdcgf_mark=\"1\"\u003e3 Series\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-alcp_ajhbdcgf_prev-pointer-events=\"\" data-alcp_ajhbdcgf_mark=\"1\"\u003e2021-Present     G80     M3\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong data-alcp_ajhbdcgf_prev-pointer-events=\"\" data-alcp_ajhbdcgf_mark=\"1\"\u003e4 Series\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-alcp_ajhbdcgf_prev-pointer-events=\"\" data-alcp_ajhbdcgf_mark=\"1\"\u003e2021-Present     G82\/G83     M4\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong data-alcp_ajhbdcgf_prev-pointer-events=\"\" data-alcp_ajhbdcgf_mark=\"1\"\u003eX3 Series\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-alcp_ajhbdcgf_prev-pointer-events=\"\" data-alcp_ajhbdcgf_mark=\"1\"\u003e2019-Present     F97     X3M\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong data-alcp_ajhbdcgf_prev-pointer-events=\"\" data-alcp_ajhbdcgf_mark=\"1\"\u003eX4 Series\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-alcp_ajhbdcgf_prev-pointer-events=\"\" data-alcp_ajhbdcgf_mark=\"1\"\u003e2019-Present     F98     X4M\u003cbutton class=\"share-button__button\"\u003e\u003cspan class=\"svg-wrapper\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" fill=\"none\" class=\"icon icon-share\" viewbox=\"0 0 13 12\"\u003e\u003cpath stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M1.625 8.125v2.167a1.083 1.083 0 0 0 1.083 1.083h7.584a1.083 1.083 0 0 0 1.083-1.083V8.125\"\u003e\u003c\/path\u003e\u003cpath fill=\"currentColor\" fill-rule=\"evenodd\" d=\"M6.148 1.271a.5.5 0 0 1 .707 0L9.563 3.98a.5.5 0 0 1-.707.707L6.501 2.332 4.147 4.687a.5.5 0 1 1-.708-.707z\" clip-rule=\"evenodd\"\u003e\u003c\/path\u003e\u003cpath fill=\"currentColor\" fill-rule=\"evenodd\" d=\"M6.5 1.125a.5.5 0 0 1 .5.5v6.5a.5.5 0 0 1-1 0v-6.5a.5.5 0 0 1 .5-.5\" clip-rule=\"evenodd\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003c\/button\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"5150 AutoSport","offers":[{"title":"Default Title","offer_id":53321652535603,"sku":"5150-VG-S58","price":239.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/3827\/3587\/files\/S58ValveGuides.webp?v=1777932224","url":"https:\/\/5150autosport.com\/es\/products\/s58-valve-guides","provider":"5150 AutoSport","version":"1.0","type":"link"}