{"product_id":"s58-exhaust-vanos-modification","title":"S58 Exhaust VANOS Modification","description":"\u003ch3\u003e\u003cspan\u003eBMW High-Performance Exhaust VANOS Modification\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eWhen building high horsepower BMW engines, the \u003c\/span\u003eexhaust VANOS system can become a limiting factor, particularly in applications with increased fuel system demands.\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003eBecause the high-pressure fuel pumps are driven by the exhaust camshaft, increased fuel demand places additional load on the camshaft and VANOS system. At higher power levels, this additional resistance can make it difficult for the VANOS system to achieve and maintain the commanded exhaust cam position. Even with increased oil pressure, the system may still struggle to reach the desired cam advance.\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003eUnder heavy load, this can cause the exhaust cam timing to retard from the commanded position, negatively affecting power, efficiency, and overall engine performance.\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003eOur 5150 Exhaust VANOS Modification is designed to address this limitation by increasing the usable adjustment range and allowing the exhaust camshaft to maintain the required position under demanding high-power conditions.\u003c\/p\u003e\n\u003ch3\u003eBenefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHelps prevent unwanted exhaust cam retard under high load\u003c\/li\u003e\n\u003cli\u003eImproves VANOS control in high-horsepower applications\u003c\/li\u003e\n\u003cli\u003eHelps compensate for increased load from the high-pressure fuel pumps\u003c\/li\u003e\n\u003cli\u003eAllows the engine to maintain the desired exhaust cam timing\u003c\/li\u003e\n\u003cli\u003eImproves consistency at high RPM and high load\u003c\/li\u003e\n\u003cli\u003eDesigned for serious performance and racing applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eOptions\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eOption 1 – VANOS Modification Parts Only\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eIncludes the components required to perform the 5150 S58 Exhaust VANOS Modification. This option is intended for professional engine builders and machine shops capable of performing the modification in-house.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eOption 2 – Complete VANOS Modification Service\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eSend us your \u003c\/span\u003eS58 exhaust VANOS core\u003cspan\u003e, and our engine shop will perform the complete modification for you. Once completed, your modified VANOS unit will be returned ready for installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eCore Requirement:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e The Complete Modification Service requires you to send us your original S58 exhaust VANOS unit. A core is not required when purchasing the modification parts only.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003eTuning Required\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003eAfter this modification, the tuner must recalibrate the new lower VANOS limit within the ECU calibration. Mechanical engine timing and installation procedures remain the same as the factory setup.\u003c\/p\u003e\n\u003cp\u003eProfessional tuning is required to properly utilize the increased VANOS adjustment range.\u003cbr\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eBMW S58 Applications:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003e2 Series\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e2023-Present     G87     M2\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e3 Series\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e2021-Present     G80     M3\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e4 Series\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e2021-Present     G82\/G83     M4\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eX3 Series\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e2019-Present     F97     X3M\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eX4 Series\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e2019-Present     F98     X4M\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"5150 AutoSport","offers":[{"title":"Parts Only","offer_id":53924339155251,"sku":"5150-11-EVM-S58","price":99.99,"currency_code":"USD","in_stock":true},{"title":"Modification Service – Send Your S58 Core","offer_id":53924339188019,"sku":"LAB-11-EVM-S58","price":299.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/3827\/3587\/files\/S58ExhaustCamBlocks.png?v=1787968438","url":"https:\/\/5150autosport.com\/products\/s58-exhaust-vanos-modification","provider":"5150 AutoSport","version":"1.0","type":"link"}