{"product_id":"do88-transmission-cooler-bmw-g8x-m2-m3-m4-zf8","title":"do88 Transmission Cooler | BMW G8X M2 M3 M4 ZF8","description":"\u003cp class=\"p1\"\u003eImprove transmission cooling performance on your S58-powered BMW with the \u003cspan class=\"s1\"\u003e\u003cb\u003edo88 Performance Transmission Cooler\u003c\/b\u003e\u003c\/span\u003e, developed for demanding street, track and high-performance applications.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThe ZF 8HP automatic transmission used in the G8X platform is highly capable, but increased engine output and sustained high-load driving can place additional thermal stress on the factory cooling system. Excessive transmission temperature can affect shift performance and, if left unmanaged, may contribute to accelerated wear.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThe do88 Transmission Cooler has been engineered to significantly increase cooling capacity while maintaining straightforward installation and factory-style connections.\u003c\/p\u003e\n\u003ch2\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eIncreased Cooling Capacity\u003c\/b\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"p1\"\u003eThe upgraded do88 cooler features a substantially larger core than the factory unit, increasing both oil capacity and available heat-transfer area.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003eCompared with OE, do88 states:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003e71% greater core volume\u003c\/b\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003e50% greater active cooling area\u003c\/b\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"s1\"\u003eApproximately \u003c\/span\u003e\u003cspan class=\"s2\"\u003e\u003cb\u003e42% greater oil capacity\u003c\/b\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eIncreased oil volume from approximately \u003cspan class=\"s1\"\u003e\u003cb\u003e0.6 L to 0.85 L\u003c\/b\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003eThis additional capacity helps improve heat dissipation during repeated high-load operation.\u003c\/p\u003e\n\u003ch2\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eDual-Pass Cooling Design\u003c\/b\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"p1\"\u003eThe do88 Transmission Cooler uses a \u003cspan class=\"s1\"\u003e\u003cb\u003edual-pass internal flow configuration\u003c\/b\u003e\u003c\/span\u003e, keeping transmission fluid within the cooler for a longer period before returning through the system.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThis increases the fluid’s contact with the cooling surface and improves the cooler’s ability to reject heat under demanding conditions.\u003c\/p\u003e\n\u003ch2\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eHarmonica Tube Core Design\u003c\/b\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"p1\"\u003eThe upgraded core incorporates \u003cspan class=\"s1\"\u003e\u003cb\u003eharmonica-style tubes with internal channels\u003c\/b\u003e\u003c\/span\u003e, increasing internal surface area and promoting more effective heat transfer.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThis design allows the cooler to deliver greater cooling performance while maintaining similar oil pressure characteristics to the factory system.\u003c\/p\u003e\n\u003ch2\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eDirect-Fit Installation\u003c\/b\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"p1\"\u003eThe do88 Transmission Cooler has been designed as a \u003cspan class=\"s1\"\u003e\u003cb\u003edrop-in replacement\u003c\/b\u003e\u003c\/span\u003e for the factory cooler.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003eIt includes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOEM-style Quick Connect inlet and outlet connections\u003c\/li\u003e\n\u003cli\u003eDirect-fit mounting\u003c\/li\u003e\n\u003cli\u003eNo vehicle modification required\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003eThis allows the upgraded cooler to integrate cleanly with the factory transmission cooling system.\u003c\/p\u003e\n\u003ch2\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eKey Features\u003c\/b\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan class=\"s1\"\u003e\u003cb\u003e71% larger core volume\u003c\/b\u003e\u003c\/span\u003e\u003cspan class=\"s2\"\u003e than OE\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003e50% greater active cooling area\u003c\/b\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"s1\"\u003eApproximately \u003c\/span\u003e\u003cspan class=\"s2\"\u003e\u003cb\u003e42% greater transmission fluid capacity\u003c\/b\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eIncreased oil volume from approximately 0.6 L to 0.85 L\u003c\/li\u003e\n\u003cli\u003eDual-pass coolant\/oil flow design\u003c\/li\u003e\n\u003cli\u003eHarmonica-style internal cooling tubes\u003c\/li\u003e\n\u003cli\u003eIncreased heat-transfer surface area\u003c\/li\u003e\n\u003cli\u003eDesigned to maintain similar oil pressure characteristics\u003c\/li\u003e\n\u003cli\u003eOEM-style Quick Connect fittings\u003c\/li\u003e\n\u003cli\u003eDirect-fit installation\u003c\/li\u003e\n\u003cli\u003eNo vehicle modification required\u003c\/li\u003e\n\u003cli\u003eDesigned for tuned and high-performance applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eVehicle Compatibility\u003c\/b\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"p3\"\u003eDesigned for \u003cspan class=\"s1\"\u003e\u003cb\u003e2021+ BMW G8X models equipped with the ZF 8HP automatic transmission\u003c\/b\u003e\u003c\/span\u003e, including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBMW M2 G87\u003c\/li\u003e\n\u003cli\u003eBMW M3 G80\u003c\/li\u003e\n\u003cli\u003eBMW M3 Touring G81\u003c\/li\u003e\n\u003cli\u003eBMW M4 G82\u003c\/li\u003e\n\u003cli\u003eBMW M4 Convertible G83\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003eThis product is intended for \u003cspan class=\"s1\"\u003e\u003cb\u003eautomatic transmission vehicles only\u003c\/b\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eAlways confirm compatibility with your specific vehicle before ordering.\u003c\/p\u003e\n\u003ch2\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eImportant Information\u003c\/b\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"p1\"\u003eThis product is intended for performance use and should be installed by a qualified professional.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eIt is the customer’s responsibility to ensure compatibility with their specific vehicle prior to purchase. If you are unsure, please contact us before ordering.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eGridline Custom Motorsports is not responsible for issues arising from incorrect installation, misuse, or improper product selection.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eDue to the nature of performance parts, some items may be special order and subject to supplier availability and lead times.\u003c\/p\u003e","brand":"Do88 Performance","offers":[{"title":"Default Title","offer_id":47155443531974,"sku":"OC-210","price":1049.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/4627\/7830\/files\/OC-210_1_jpg.webp?v=1788835698","url":"https:\/\/www.gridlinecustommotorsports.com.au\/products\/do88-transmission-cooler-bmw-g8x-m2-m3-m4-zf8","provider":"Gridline Custom Motorsports","version":"1.0","type":"link"}