{"product_id":"8131-b58-b48-68mm-2-row-heat-exchanger","title":"8131 B58\/B48 68mm 2-Row Heat Exchanger","description":"The CSF #8131 is a high-performance heat exchanger engineered as a critical component for BMW B58\/B48 engines, especially when extracting more power.\n\nCompared to the original OEM B58 heat exchanger, which is a single-row, 27mm thick unit, the CSF #8131 utilizes an industry-exclusive, world's largest 2-row core measuring 68mm with CSF's B-Tube technology. Despite its larger core, a unique tank design allows it to fit within the OEM cooling system housing. A key feature is the unique triple-pass flow design, where water cycles through the radiator three times before exiting. This ensures the lowest possible outlet water temperature, differentiating it from OEM and other aftermarket single-pass designs.\n\nConstructed with precision, the heat exchanger includes OEM CNC machined mounting location pins and brackets, along with CNC machined \"quick connect\" inlet\/outlet water fittings. The unit comes with a detachable rock guard for added protection and features a 1-hour \"mirror finish\" hand polish for a premium aesthetic. It directly replaces OEM part number 17118741830.","brand":"CSF","offers":[{"title":"Default Title","offer_id":52687504212280,"sku":"CSF8131","price":599.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/661670765.webp?v=1784884859","url":"https:\/\/store.motormia.co\/products\/8131-b58-b48-68mm-2-row-heat-exchanger","provider":"MOTORMIA","version":"1.0","type":"link"}