{"product_id":"csf-zf8-transmission-oil-cooler-2021-2025-bmw-g8x-m3-m4-m2-8221","title":"CSF ZF8 Transmission Oil Cooler — 2021-2025 BMW G8X M3, M4 \u0026 M2 | S58 | 8221","description":"\u003cp\u003eThe CSF 8221 is a high-performance ZF8 automatic transmission oil cooler for the 2021-2025 BMW G8X M3 and M4 (all trims, including Competition, Competition xDrive, CS, and CSL) and the 2023-2025 G87 M2 with the S58 engine and the ZF8 automatic. It is a dual-core, dual-pass design using two stacked 22mm 9-channel microtube cores for 44mm total thickness versus the OEM 28mm, with a 16-row front cooler and a 16-row rear cooler versus the OEM 14, giving a 194 percent increase in volume (1700ml versus the OEM 875ml). It is a drop-in fit with OEM-style quick-connect inlet and outlet and a replaceable rock guard, and it pairs with the OEM cooling system or the CSF 8215 heat exchanger.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eType: dual-core, dual-pass ZF8 automatic transmission oil cooler\u003c\/li\u003e\n\u003cli\u003eCore: two stacked 22mm 9-channel microtube (44mm total, OEM 28mm)\u003c\/li\u003e\n\u003cli\u003eRows: 16 front + 16 rear (OEM 14 rear)\u003c\/li\u003e\n\u003cli\u003eVolume: 194 percent more (1700ml vs OEM 875ml)\u003c\/li\u003e\n\u003cli\u003eEngine\/trans: S58 twin-turbo 3.0L, ZF8 automatic\u003c\/li\u003e\n\u003cli\u003eIncluded: replaceable rock guard; pairs with CSF 8215 heat exchanger\u003c\/li\u003e\n\u003cli\u003eFitment: drop-in, OEM-style quick-connect\u003c\/li\u003e\n\u003cli\u003ePart number: 8221\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eVehicle Applications\u003c\/h3\u003e\u003cp\u003eDirect fit on the following (S58, ZF8 automatic):\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e2021 BMW M3 (G80\/G81)\u003c\/li\u003e\n\u003cli\u003e2022 BMW M3 (G80\/G81)\u003c\/li\u003e\n\u003cli\u003e2023 BMW M3 (G80\/G81)\u003c\/li\u003e\n\u003cli\u003e2024 BMW M3 (G80\/G81)\u003c\/li\u003e\n\u003cli\u003e2025 BMW M3 (G80\/G81)\u003c\/li\u003e\n\u003cli\u003e2021 BMW M4 (G82\/G83)\u003c\/li\u003e\n\u003cli\u003e2022 BMW M4 (G82\/G83)\u003c\/li\u003e\n\u003cli\u003e2023 BMW M4 (G82\/G83)\u003c\/li\u003e\n\u003cli\u003e2024 BMW M4 (G82\/G83)\u003c\/li\u003e\n\u003cli\u003e2025 BMW M4 (G82\/G83)\u003c\/li\u003e\n\u003cli\u003e2023 BMW M2 (G87)\u003c\/li\u003e\n\u003cli\u003e2024 BMW M2 (G87)\u003c\/li\u003e\n\u003cli\u003e2025 BMW M2 (G87)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch5\u003eWhat vehicles does the CSF 8221 fit?\u003c\/h5\u003e\u003cp\u003eThe 2021-2025 BMW G8X M3 and M4 (all trims) and the 2023-2025 M2, with the S58 engine and ZF8 automatic transmission.\u003c\/p\u003e\u003ch5\u003eHow much more capacity does it have?\u003c\/h5\u003e\u003cp\u003eA 194 percent increase in volume, 1700ml versus the OEM 875ml.\u003c\/p\u003e\u003ch5\u003eHow is the core built?\u003c\/h5\u003e\u003cp\u003eTwo stacked 22mm 9-channel microtube cores for 44mm total thickness, dual-pass.\u003c\/p\u003e\u003ch5\u003eIs it a drop-in fit?\u003c\/h5\u003e\u003cp\u003eYes. It uses OEM-style quick-connect inlet and outlet and includes a replaceable rock guard.\u003c\/p\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What vehicles does the CSF 8221 fit?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The 2021-2025 BMW G8X M3 and M4 (all trims) and the 2023-2025 M2, with the S58 engine and ZF8 automatic transmission.\"}}, {\"@type\": \"Question\", \"name\": \"How much more capacity does it have?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"A 194 percent increase in volume, 1700ml versus the OEM 875ml.\"}}, {\"@type\": \"Question\", \"name\": \"How is the core built?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Two stacked 22mm 9-channel microtube cores for 44mm total thickness, dual-pass.\"}}, {\"@type\": \"Question\", \"name\": \"Is it a drop-in fit?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. It uses OEM-style quick-connect inlet and outlet and includes a replaceable rock guard.\"}}]}\u003c\/script\u003e","brand":"CSF","offers":[{"title":"Default Title","offer_id":42636394528816,"sku":"CSF8221","price":599.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/9548\/3440\/files\/a4f1723727e65df96f272032714991eeL.jpg?v=1765305348","url":"https:\/\/berryperformancesales.com\/products\/csf-zf8-transmission-oil-cooler-2021-2025-bmw-g8x-m3-m4-m2-8221","provider":"Berry Performance Sales","version":"1.0","type":"link"}