{"product_id":"racinglab-auxiliary-radiator-bmw-g-series-b58-toyota-gr-supra-a90","title":"RacingLab Auxiliary Radiator - BMW G-Series (B58) \u0026 Toyota GR Supra A90","description":"\u003cp data-start=\"116\" data-end=\"417\"\u003eThe Racing Lab Auxiliary Radiator is a high-performance cooling upgrade designed for BMW G-Series (B58) and Toyota GR Supra A90\/A91 platforms. Engineered to improve oil temperature stability under high-load and track conditions, it enhances overall thermal management and long-term engine reliability.\u003c\/p\u003e\n\u003cp data-start=\"419\" data-end=\"642\"\u003eCompared to the factory auxiliary cooling system, the Racing Lab radiator features an enlarged high-efficiency core with approximately \u003cstrong data-start=\"554\" data-end=\"588\"\u003e30% increased cooling capacity\u003c\/strong\u003e, improving heat dissipation during sustained driving.\u003c\/p\u003e\n\u003cp data-start=\"644\" data-end=\"820\"\u003eBased on real-world datalog testing (ambient temperature: 28°C, BM3 Stage 2 high-load conditions), the Racing Lab system demonstrates a measurable reduction in oil temperature:\u003c\/p\u003e\n\u003cp data-start=\"822\" data-end=\"952\"\u003e• \u003cstrong data-start=\"824\" data-end=\"861\"\u003eOEM peak oil temperature: 126.8°C\u003c\/strong\u003e\u003cbr data-start=\"861\" data-end=\"864\"\u003e• \u003cstrong data-start=\"866\" data-end=\"910\"\u003eRacing Lab peak oil temperature: 117.0°C\u003c\/strong\u003e\u003cbr data-start=\"910\" data-end=\"913\"\u003e• \u003cstrong data-start=\"915\" data-end=\"952\"\u003eUp to ~9.8°C reduction under load\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"954\" data-end=\"1104\"\u003eThis reduction helps prevent excessive heat buildup, maintain oil viscosity, and improve engine protection during aggressive driving or repeated laps.\u003c\/p\u003e\n\u003cp data-start=\"1106\" data-end=\"1332\"\u003eConstructed from full aluminium with a high-efficiency core design, the radiator delivers improved durability and thermal performance. Designed as a direct replacement, it integrates seamlessly with factory mounting locations.\u003c\/p\u003e\n\u003ch1 data-section-id=\"piuy1h\" data-start=\"1339\" data-end=\"1370\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1343\" data-end=\"1370\"\u003eKey Features\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp data-start=\"1372\" data-end=\"1810\"\u003e• Enlarged core design (~30% increased cooling capacity vs OEM)\u003cbr data-start=\"1435\" data-end=\"1438\"\u003e• Proven real-world testing: \u003cstrong data-start=\"1467\" data-end=\"1505\"\u003eup to 9.8°C lower oil temperatures\u003c\/strong\u003e\u003cbr data-start=\"1505\" data-end=\"1508\"\u003e• OEM 126.8°C → Racing Lab 117.0°C (BM3 Stage 2 test)\u003cbr data-start=\"1561\" data-end=\"1564\"\u003e• High-efficiency aluminium construction for improved durability\u003cbr data-start=\"1628\" data-end=\"1631\"\u003e• Increased core thickness for better heat dissipation\u003cbr data-start=\"1685\" data-end=\"1688\"\u003e• Supports track use, high boost and sustained load conditions\u003cbr data-start=\"1750\" data-end=\"1753\"\u003e• Direct bolt-on fit for BMW B58 \u0026amp; Toyota Supra A90\/A91\u003c\/p\u003e\n\u003ch1 data-section-id=\"1j8835y\" data-start=\"1817\" data-end=\"1847\"\u003e\u003c\/h1\u003e\n\u003cp data-start=\"1849\" data-end=\"1974\"\u003eCompatible with:\u003cbr data-start=\"1865\" data-end=\"1868\"\u003e• BMW G-Series B58 models (G20 \/ G22 \/ G30 \/ G42 etc.)\u003cbr data-start=\"1922\" data-end=\"1925\"\u003e• Toyota GR Supra A90 \/ A91 (B58 Engine, 2020+)\u003c\/p\u003e","brand":"Racing Lab","offers":[{"title":"Default Title","offer_id":46135252484249,"sku":null,"price":1249.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0714\/0651\/8425\/files\/2_3_aa71930c-57dc-40bd-a454-4169d454ba2b.jpg?v=1770187240","url":"https:\/\/racinglabshop.com\/products\/racinglab-auxiliary-radiator-bmw-g-series-b58-toyota-gr-supra-a90","provider":"Racing Lab","version":"1.0","type":"link"}