{"product_id":"ams-performance-bmw-g8x-m2-m3-m4-s58-heat-exchanger","title":"AMS Performance BMW G8X M2\/M3\/M4 S58 Heat Exchanger","description":"\u003cstyle\u003e.sl-desc h2{font-size:1.15em;letter-spacing:.06em;text-transform:uppercase;border-bottom:2px solid #111;padding-bottom:6px;margin:1.6em 0 .7em}.sl-desc h3{font-size:1em;margin:1.2em 0 .4em}.sl-desc ul{margin:0 0 1em 1.2em}.sl-desc li{margin:.25em 0}.va-table{width:100%;border-collapse:collapse;margin:.5em 0 1em;font-size:.95em}.va-table th{text-align:left;padding:10px 8px;border-bottom:2px solid #333;white-space:nowrap}.va-table td{padding:8px;border-bottom:1px solid #e5e5e5;vertical-align:top}.sl-note{font-size:.9em;color:#555;margin:.4em 0 1em}\u003c\/style\u003e\u003cdiv class=\"sl-desc\"\u003e\n\u003ch2\u003eOVERVIEW\u003c\/h2\u003e\n\u003cp\u003eAMS Performance's drop-in heat exchanger for the BMW G8X S58 platform is the largest available on the market for this chassis, built around a dual-pass design with a 35% larger core than the OEM unit for maximum cooling capacity. Billet 6061-T6 aluminum end tanks and AMS-spec fin height\/density are CAD-designed and CNC-machined for a direct bolt-on fit that requires no cutting or drilling.\u003c\/p\u003e\n\u003cp\u003eIn AMS's own back-to-back testing, the G8X heat exchanger recorded a peak coolant outlet temperature of 112.8°F versus 116.4°F on the OEM unit and 120.2°F on a leading aftermarket competitor — a roughly 16°F reduction in coolant outlet temps over stock, with double the fluid capacity of the OEM system for added thermal stability.\u003c\/p\u003e\n\u003cp\u003eChoose a logo finish above: Standard or M Colors.\u003c\/p\u003e\n\u003ch2\u003eSPECS\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDual-pass design with 35% larger core volume than OEM\u003c\/li\u003e\n\u003cli\u003eBillet 6061-T6 aluminum end tanks\u003c\/li\u003e\n\u003cli\u003eDouble the coolant capacity of the OEM heat exchanger\u003c\/li\u003e\n\u003cli\u003eCAD-designed, CNC-machined for direct bolt-on fitment\u003c\/li\u003e\n\u003cli\u003eRadiused coolant inlet\/outlet fittings for smoother flow\u003c\/li\u003e\n\u003cli\u003eWeight: 8 lbs; shipping dimensions 26 x 17 x 6 in\u003c\/li\u003e\n\u003cli\u003eEngine platform: BMW S58 3.0L Twin-Turbo I6\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePARTS INCLUDED\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eComplete AMS Performance heat exchanger assembly in the selected logo finish (Standard or M Colors)\u003c\/li\u003e\n\u003cli\u003eMounting hardware as specified by AMS Performance for this kit\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTECH RESOURCES\u003c\/h2\u003e\n\u003ch3\u003eRequired Parts\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNone.\u003c\/strong\u003e AMS Performance specifies no additional hardware required for a direct bolt-on install on the G8X S58 platform.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2307\/8117\/files\/AMS-Performance-BMW-G8X-M2-M3-M4-S58-Heat-Exchanger-Install-Instructions-2025-1-20.pdf?v=1788463774\"\u003eAMS Performance BMW G8X S58 Heat Exchanger Installation Instructions (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCARB\/EPA compliance testing has not been completed for this part per AMS Performance's own listing; for off-road\/racing use only in emissions-regulated states unless otherwise confirmed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePART NUMBER\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAMS.48.02.0001-1\u003c\/strong\u003e — Standard logo\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAMS.48.02.0001-2\u003c\/strong\u003e — M Colors logo\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eVEHICLE APPLICATIONS\u003c\/h2\u003e\n\u003ctable class=\"va-table\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eChassis\u003c\/th\u003e\n\u003cth\u003eEngine\u003c\/th\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eM2 (incl. all sub-models)\u003c\/td\u003e\n\u003ctd\u003eG87\u003c\/td\u003e\n\u003ctd\u003eS58 3.0L Twin-Turbo I6\u003c\/td\u003e\n\u003ctd\u003e2023+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eM3 (incl. all sub-models)\u003c\/td\u003e\n\u003ctd\u003eG80\/G81\u003c\/td\u003e\n\u003ctd\u003eS58 3.0L Twin-Turbo I6\u003c\/td\u003e\n\u003ctd\u003e2021+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eM4 (incl. all sub-models)\u003c\/td\u003e\n\u003ctd\u003eG82\/G83\u003c\/td\u003e\n\u003ctd\u003eS58 3.0L Twin-Turbo I6\u003c\/td\u003e\n\u003ctd\u003e2021+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"AMS Performance","offers":[{"title":"Standard","offer_id":52610067366168,"sku":"AMS.48.02.0001-1","price":629.96,"currency_code":"USD","in_stock":true},{"title":"M Colors","offer_id":52610067398936,"sku":"AMS.48.02.0001-2","price":629.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2307\/8117\/files\/AMS-Performance-BMW-G8X-M2-M3-M4-Heat-Exchanger-1.jpg?v=1788463811","url":"https:\/\/speedlogicauto.com\/products\/ams-performance-bmw-g8x-m2-m3-m4-s58-heat-exchanger","provider":"SPEED LOGIC","version":"1.0","type":"link"}