{"product_id":"coolant-expansion-tank-reservoir-mini-f56-bmw-b38-b48-engines","title":"Engine Coolant Expansion Tank – MINI Cooper F54 \/ F55 \/ F56 \/ F57 \/ F60 (14-25+)","description":"\u003cp data-path-to-node=\"1\"\u003eThe \u003cb data-path-to-node=\"1\" data-index-in-node=\"44\"\u003eEngine Coolant Expansion Tank\u003c\/b\u003e for the third-generation (F-series) MINI models. As a crucial component of the pressurized cooling system, it manages the thermal expansion of the coolant for the B36, B38, and B48 engines. The tank is constructed from high-grade, heat-stabilized polymer and features integrated internal baffling to prevent air bubbles from entering the cooling circuit, ensuring consistent heat dissipation for the turbocharger and engine block.\u003c\/p\u003e\n\u003cp data-path-to-node=\"2\"\u003eOn the F56 and related MINI platforms, the expansion tank is a common point of maintenance. The compact engine bay of the MINI leads to significant heat soak, which can cause the plastic to become brittle over time. The most frequent failure points are \u003cb data-path-to-node=\"2\" data-index-in-node=\"253\"\u003estress cracks near the mounting tabs\u003c\/b\u003e or leaks at the lower hose connection. Symptoms of a failing tank include a \"Low Coolant\" warning on the infotainment screen, visible white residue (dried coolant) on the side of the engine, or a sweet smell after a spirited drive. Replacing a leaking tank is essential to prevent air pockets, which can lead to localized overheating in the cylinder head and potential turbocharger damage.\u003c\/p\u003e\n\u003cp data-path-to-node=\"3\"\u003e\u003cb data-path-to-node=\"3\" data-index-in-node=\"0\"\u003eVehicle Compatibility:\u003c\/b\u003e This expansion tank is designed for the \u003cb data-path-to-node=\"3\" data-index-in-node=\"63\"\u003eUKL Platform\u003c\/b\u003e (MINI Gen 3):\u003c\/p\u003e\n\u003cul data-path-to-node=\"4\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"4,0,0\"\u003e\u003cb data-path-to-node=\"4,0,0\" data-index-in-node=\"0\"\u003eMINI 3-Door Hatch (F56):\u003c\/b\u003e 2014–Present (One, Cooper, Cooper S, JCW)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"4,1,0\"\u003e\u003cb data-path-to-node=\"4,1,0\" data-index-in-node=\"0\"\u003eMINI 5-Door Hatch (F55):\u003c\/b\u003e 2014–Present\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"4,2,0\"\u003e\u003cb data-path-to-node=\"4,2,0\" data-index-in-node=\"0\"\u003eMINI Convertible (F57):\u003c\/b\u003e 2016–Present\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"4,3,0\"\u003e\u003cb data-path-to-node=\"4,3,0\" data-index-in-node=\"0\"\u003eMINI Clubman (F54):\u003c\/b\u003e 2016–Present\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"4,4,0\"\u003e\u003cb data-path-to-node=\"4,4,0\" data-index-in-node=\"0\"\u003eMINI Countryman (F60):\u003c\/b\u003e 2017–Present\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"5\"\u003e\u003cb data-path-to-node=\"5\" data-index-in-node=\"0\"\u003eSpecifications:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"6\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,1,0\"\u003e\u003cb data-path-to-node=\"6,1,0\" data-index-in-node=\"0\"\u003eEngine Application:\u003c\/b\u003e B36 \/ B38 \/ B46 \/ B48\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,2,0\"\u003e\u003cb data-path-to-node=\"6,2,0\" data-index-in-node=\"0\"\u003eMaterial:\u003c\/b\u003e Reinforced Polyamide (PA66-GF30)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MYTY Auto Parts","offers":[{"title":"Default Title","offer_id":48200946090223,"sku":"17138485595","price":1450.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0769\/7183\/5631\/files\/Untitleddesign_bc53c5b0-8314-4785-a65d-3f1797ff44b8.png?v=1774569563","url":"https:\/\/myty.co.za\/products\/coolant-expansion-tank-reservoir-mini-f56-bmw-b38-b48-engines","provider":"MYTY Auto Parts","version":"1.0","type":"link"}