{"product_id":"used-genuine-bmw-e12-e21-coolant-expansion-tank-17111120363","title":"Used Genuine BMW E12 \/ E21 Coolant Expansion Tank – 17111120363","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eUsed original BMW coolant expansion tank for selected BMW E12 and E21 models with an M20 engine.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe tank is fitted in the engine cooling system and allows coolant expansion as the engine reaches operating temperature. It features the original BMW moulding, integrated mounting points, hose connections and the casting number \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e1120363\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe original coolant cap is included as shown in the photographs.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eProduct details\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eProduct: Coolant expansion tank\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAlternative description: Coolant reservoir\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGerman description: Ausgleichsbehälter\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eManufacturer: Genuine BMW\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eBMW part number: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e17111120363\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eFormatted BMW number: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e17 11 1 120 363\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eCasting\/reference number: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e1120363\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eInstallation position: Engine bay\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSystem: Engine cooling system\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEngine application: Selected M20 engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMaterial: Moulded translucent plastic\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCap: Included\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCondition: Used\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eQuantity supplied: One expansion tank\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eVehicle compatibility\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eSuitable for selected BMW models using the corresponding expansion-tank design, including:\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eBMW E12\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eBMW 520 with M20 engine\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSelected late E12 520 configurations\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eBMW E21\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eBMW 320 with M20 engine\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBMW 323i with M20 engine\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSelected E21 sedan models with the corresponding cooling-system layout\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eFitment depends on the engine, production date, market specification, radiator layout and hose connections. This tank is not guaranteed to fit every E12 or E21 model.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eAlways compare the tank shape, mounting points, hose connections, cap opening and casting number with the original component before ordering.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eBMW and reference numbers\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003e17111120363\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – BMW coolant expansion tank\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003e17 11 1 120 363\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Formatted BMW catalogue number\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003e1120363\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Casting\/reference number visible on the tank\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe coolant cap shown in the photographs is included.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eCondition\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eUsed original BMW component with visible age- and use-related wear, including:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eHeavy yellowing and discolouration of the plastic\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSurface dirt and storage marks\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eScratches and cosmetic marks\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAged plastic around the mounting points\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePossible coolant residue and staining\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAge-related brittleness may be present\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe tank has not been pressure-tested or leak-tested. Carefully inspect the tank around the seams, mounting points, hose connections and cap opening before installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eNo guarantee can be given that the aged plastic will remain leak-free under operating pressure.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eSupplied exactly as shown in the photographs.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eIncluded\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eOne used genuine BMW coolant expansion tank\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOne coolant cap as shown in the photographs\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe following are not included:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eCoolant hoses\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRadiator\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eThermostat housing\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAdditional brackets or mounting hardware not visible in the photographs\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCoolant or installation materials\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eInstallation recommendation\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eBefore installation:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eCompare the tank with the original component\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eInspect the plastic for cracks and stress marks\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCheck all hose connections carefully\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eInspect the mounting points\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCheck the cap and sealing surface\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePressure-test the cooling system after installation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eUse new hose clamps where required\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFill the system with the correct coolant mixture\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBleed the cooling system correctly\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCheck for leaks after the engine reaches operating temperature\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eBecause a failed expansion tank can cause sudden coolant loss and engine overheating, professional inspection is recommended.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eStorage location: 204\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Tayushi","offers":[{"title":"Default Title","offer_id":57480346894711,"sku":null,"price":39.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/3704\/2551\/files\/632A7BF6-00E7-4525-BD6B-FFC660F54C1B_1_105_c.jpg?v=1790022215","url":"https:\/\/www.tayushi.com\/products\/used-genuine-bmw-e12-e21-coolant-expansion-tank-17111120363","provider":"Tayushi","version":"1.0","type":"link"}