{"product_id":"high-temperature-engine-coolant-expansion-tank-bmw-f80-m3-f82-f83-m4-f87-m2-competition-s55-engine","title":"Engine Coolant Water Bottle S55 – BMW M2, M3, M4 (15-21)","description":"\u003cp\u003e\u003cspan class=\"citation-728\"\u003eThis \u003c\/span\u003e\u003cspan class=\"citation-728\"\u003eis the \u003c\/span\u003e\u003cb data-path-to-node=\"1\" data-index-in-node=\"44\"\u003e\u003cspan class=\"citation-728\"\u003eMain (High-Temperature) Engine Coolant Expansion Tank\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-728 citation-end-728\"\u003e designed specifically for BMW M models powered by the S55 twin-turbocharged Inline-6 engine.\u003csup class=\"superscript\" data-turn-source-index=\"1\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003cspan class=\"citation-727 citation-end-727\"\u003eIt acts as the primary overflow and expansion reservoir for the engine block’s cooling circuit, keeping the system pressurized and keeping the radiator filled.\u003csup class=\"superscript\" data-turn-source-index=\"2\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"citation-727 citation-end-727\"\u003e\u003cspan class=\"citation-726 citation-end-726\"\u003eBecause this part sits in a high-strung, high-heat environment, thousands of heat cycles eventually make the factory composite plastic brittle.\u003csup class=\"superscript\" data-turn-source-index=\"3\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e Hairline cracks often develop along the molded plastic seams or mounting points. \u003cspan class=\"citation-725 citation-end-725\"\u003eIf it fails, it will leak pressurized coolant rapidly, reduce cooling efficiency, and leave a white, crusty mess in your engine bay.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"citation-727 citation-end-727\"\u003e\u003cspan class=\"citation-725 citation-end-725\"\u003e\u003cb data-path-to-node=\"4\" data-index-in-node=\"0\"\u003eVehicle Compatibility:\u003c\/b\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan class=\"citation-727 citation-end-727\"\u003e\u003cspan class=\"citation-725 citation-end-725\"\u003e\u003cb data-path-to-node=\"5,0,0\" data-index-in-node=\"0\"\u003eM2 Competition \u0026amp; CS (F87):\u003c\/b\u003e 2019–2021\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"citation-727 citation-end-727\"\u003e\u003cspan class=\"citation-725 citation-end-725\"\u003e\u003cb data-path-to-node=\"5,1,0\" data-index-in-node=\"0\"\u003eM3 Sedan (F80):\u003c\/b\u003e\u003cspan class=\"citation-724 citation-end-724\"\u003e 2015–2018\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"citation-727 citation-end-727\"\u003e\u003cspan class=\"citation-725 citation-end-725\"\u003e\u003cspan class=\"citation-724 citation-end-724\"\u003e\u003cb data-path-to-node=\"5,2,0\" data-index-in-node=\"0\"\u003eM4 Coupe \u0026amp; Convertible (F82 \/ F83):\u003c\/b\u003e\u003cspan class=\"citation-723 citation-end-723\"\u003e 2015–2020\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-path-to-node=\"5,3,0\" id=\"p-rc_c56fd5368d9cd82c-438\"\u003e\n\u003cb data-path-to-node=\"5,3,0\" data-index-in-node=\"0\"\u003eM4 GTS \u0026amp; CS (F82):\u003c\/b\u003e\u003cspan class=\"citation-722 citation-end-722\"\u003e 2016–2020\u003c\/span\u003e\u003cspan class=\"citation-722 citation-end-722\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan class=\"citation-722 citation-end-722\"\u003e\u003cb data-path-to-node=\"7,2,0\" data-index-in-node=\"0\"\u003e\u003cspan class=\"citation-720\"\u003eDimensions:\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-720 citation-end-720\"\u003e 15.5 x 12.2 x 8.1 inches\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e","brand":"MYTY Auto Parts","offers":[{"title":"Default Title","offer_id":48201048326383,"sku":"17132284600","price":2400.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0769\/7183\/5631\/files\/2016-F80-M3-S55-Coolant-Expansion-Tank.png?v=1774572504","url":"https:\/\/myty.co.za\/products\/high-temperature-engine-coolant-expansion-tank-bmw-f80-m3-f82-f83-m4-f87-m2-competition-s55-engine","provider":"MYTY Auto Parts","version":"1.0","type":"link"}