{"product_id":"csf-07-13-bmw-m3-e9x-triple-pass-radiator","title":"Aluminum Triple Pass Radiator - BMW M3 (E90\/E92)","description":"\u003cdiv class=\"product__description content\"\u003e\n\u003cdiv class=\"has-padding-top\"\u003e\n\u003cp data-end=\"526\" data-start=\"58\"\u003eThe CSF Triple Pass Radiator is a purpose-built cooling upgrade for the E90\/E92 M3, designed to reduce coolant outlet temperatures and increase thermal stability under aggressive street driving, track use, or high-heat environments. Built around a high-efficiency core and a triple-pass flow layout, this radiator forces coolant to traverse the core \u003cstrong data-end=\"423\" data-start=\"408\"\u003ethree times\u003c\/strong\u003e before exiting, maximizing heat rejection where the factory single-pass layout can become a limitation.\u003c\/p\u003e\n\u003cp data-end=\"824\" data-start=\"528\"\u003eConstructed with a \u003cstrong data-end=\"572\" data-start=\"547\"\u003e2-row, 42mm dual-core\u003c\/strong\u003e design and CSF’s \u003cstrong data-end=\"611\" data-start=\"590\"\u003eB-tube technology\u003c\/strong\u003e, the core is paired with an ultra-efficient multi-louvered fin structure to increase surface contact and cooling efficiency. Installation is straightforward thanks to OEM-style connections and a true drop-in fit.\u003c\/p\u003e\n\u003ch3 data-end=\"842\" data-start=\"826\"\u003eKey Features\u003c\/h3\u003e\n\u003cul data-end=\"1576\" data-start=\"843\"\u003e\n\u003cli data-end=\"900\" data-start=\"843\"\u003e\n\u003cp data-end=\"900\" data-start=\"845\"\u003e\u003cstrong data-end=\"869\" data-start=\"845\"\u003e2-row 42mm dual-core\u003c\/strong\u003e with CSF \u003cstrong data-end=\"900\" data-start=\"879\"\u003eB-tube technology\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1023\" data-start=\"901\"\u003e\n\u003cp data-end=\"1023\" data-start=\"903\"\u003e\u003cstrong data-end=\"933\" data-start=\"903\"\u003eUltra-efficient fin design\u003c\/strong\u003e\u003cbr data-end=\"936\" data-start=\"933\"\u003e6.5mm fin height with a \u003cstrong data-end=\"980\" data-start=\"962\"\u003emulti-louvered\u003c\/strong\u003e structure for maximum surface area contact\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1153\" data-start=\"1024\"\u003e\n\u003cp data-end=\"1153\" data-start=\"1026\"\u003e\u003cstrong data-end=\"1053\" data-start=\"1026\"\u003eTriple-pass flow design\u003c\/strong\u003e\u003cbr data-end=\"1056\" data-start=\"1053\"\u003eCoolant crosses the core \u003cstrong data-end=\"1094\" data-start=\"1083\"\u003e3 times\u003c\/strong\u003e for lower outlet temperatures and improved heat management\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1246\" data-start=\"1154\"\u003e\n\u003cp data-end=\"1246\" data-start=\"1156\"\u003e\u003cstrong data-end=\"1211\" data-start=\"1156\"\u003eCNC-machined quick-connect inlet\/outlet connections\u003c\/strong\u003e\u003cbr data-end=\"1214\" data-start=\"1211\"\u003eRetains OEM-style hose fitment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1327\" data-start=\"1247\"\u003e\n\u003cp data-end=\"1327\" data-start=\"1249\"\u003e\u003cstrong data-end=\"1287\" data-start=\"1249\"\u003eCNC-machined brackets and fittings\u003c\/strong\u003e\u003cbr data-end=\"1290\" data-start=\"1287\"\u003eImproved durability and precise fit\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1368\" data-start=\"1328\"\u003e\n\u003cp data-end=\"1368\" data-start=\"1330\"\u003e\u003cstrong data-end=\"1368\" data-start=\"1330\"\u003eAll-aluminum race-style drain plug\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1436\" data-start=\"1369\"\u003e\n\u003cp data-end=\"1436\" data-start=\"1371\"\u003e\u003cstrong data-end=\"1404\" data-start=\"1371\"\u003eHand-polished “mirror finish”\u003c\/strong\u003e (approx. 1-hour finish process)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1576\" data-start=\"1437\"\u003e\n\u003cp data-end=\"1576\" data-start=\"1439\"\u003e\u003cstrong data-end=\"1463\" data-start=\"1439\"\u003eTrue drop-in fitment\u003c\/strong\u003e\u003cbr data-end=\"1466\" data-start=\"1463\"\u003eNo modifications required; accepts OEM quick-connect hoses, A\/C condenser, mounting brackets, and fan shroud\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-end=\"1589\" data-start=\"1578\"\u003eFitment\u003c\/h3\u003e\n\u003cp data-end=\"1612\" data-start=\"1592\"\u003e\u003cstrong data-end=\"1612\" data-start=\"1592\"\u003eBMW M3 (E90\/E92\/E93)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"CSF","offers":[{"title":"Default Title","offer_id":52143931621557,"sku":"CSF7059","price":645.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0975\/2500\/6517\/files\/CSF_BMW_M3_Race_Triple_Pass_Radiator__E90_E92_E93__R44Performance3.webp?v=1767524920","url":"https:\/\/opusautoworks.ca\/products\/csf-07-13-bmw-m3-e9x-triple-pass-radiator","provider":"OPUS Autoworks","version":"1.0","type":"link"}