{"product_id":"genuine-bmw-b48-b58-f20-f22-f30-f36-bmw-coolant-expansion-tank-inc-120i-m240ix-340i-440ix","title":"Genuine BMW Coolant Expansion Tank B48\/B58 F20 F21 F22 F23 F30 F31 F34 F32 F33 F36 1\/2\/3\/4 Series 120i 125i 220i 230i 320i 330i 340i 420i 430i 440i M140i M240i OEM Reservoir\/Header Tank - Part No 17138677649","description":"\u003cdiv class=\"product__description rte\"\u003e\n  \n  \u003ch2\u003eBMW B48 B58 Radiator Overflow Bottle - OE Cooling Reservoir - Part No 17138677649\u003c\/h2\u003e\n  \n  \u003cp\u003e\n    Keep temperatures stable and reliability high with the original BMW cooling reservoir for B48 and B58 powered F Series cars. This OE radiator overflow bottle, also called a degas tank, surge tank or antifreeze header bottle, is a direct swap that restores leak free performance and stops low coolant warnings. Part number: \u003cstrong\u003e17138677649\u003c\/strong\u003e.\n  \u003c\/p\u003e\n  \n  \u003cp\u003e\n    We fit this unit on our own fleet and for customer builds at MJ Modifications. Feedback has been consistently positive for fitment, quality and long term durability under daily use and spirited driving. If your current bottle is yellowed, cracked, weeping at the seams or you keep smelling coolant under the bonnet, this is the smart fix before small issues turn into overheating.\n  \u003c\/p\u003e\n  \n  \u003ch3\u003eWhy it is the right choice\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eGenuine BMW component - OE specification, perfect alignment with factory hoses and mounts\u003c\/li\u003e\n    \u003cli\u003eDirect replacement - no modification, no guesswork, plug and play swap\u003c\/li\u003e\n    \u003cli\u003eBuilt for pressure and heat - ideal for stock, tuned and track driven cars\u003c\/li\u003e\n    \u003cli\u003eStops coolant loss and warning messages by replacing aged plastic\u003c\/li\u003e\n    \u003cli\u003eMaintains proper cooling system operation and helps protect your turbocharged engine\u003c\/li\u003e\n    \u003cli\u003eTrusted by enthusiasts - proven in our workshop with excellent customer satisfaction\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \n  \u003ch3\u003eVehicle fitment - B48 and B58 petrol models\u003c\/h3\u003e\n  \u003cp\u003eFor F Series 1 Series, 2 Series, 3 Series and 4 Series with 2.0 and 3.0 TwinPower engines. Typical applications include:\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003e1 Series F20 F21 - 120i, 125i, M140i, xDrive variants\u003c\/li\u003e\n    \u003cli\u003e2 Series F22 F23 - 220i, 230i, M240i, xDrive variants\u003c\/li\u003e\n    \u003cli\u003e3 Series F30 F31 F34 Gran Turismo - 320i, 330i, 340i, xDrive variants\u003c\/li\u003e\n    \u003cli\u003e4 Series F32 F33 F36 Gran Coupe - 420i, 430i, 440i, xDrive variants\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003e\n    Not sure if it suits your exact car? Add your UK reg or last 7 of VIN at checkout and we will confirm compatibility before dispatch.\n  \u003c\/p\u003e\n  \n  \u003ch3\u003eCommon signs you need a new tank\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eCoolant smell in the engine bay after a run\u003c\/li\u003e\n    \u003cli\u003eIntermittent low coolant messages or frequent top ups\u003c\/li\u003e\n    \u003cli\u003eCloudy, discoloured or brittle plastic bottle\u003c\/li\u003e\n    \u003cli\u003eVisible seepage around joints, hose connections or the level seam\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \n  \u003ch3\u003ePart number\u003c\/h3\u003e\n  \u003cp\u003e\n    \u003cstrong\u003eBMW 17138677649\u003c\/strong\u003e - original equipment radiator overflow reservoir for B48 and B58 engines in F20, F21, F22, F23, F30, F31, F34, F32, F33 and F36 chassis.\n  \u003c\/p\u003e\n  \n  \u003ch3\u003eProfessional fitting\u003c\/h3\u003e\n  \u003cp\u003e\n    Installation available at MJ Modifications in Warwickshire. For a fitting quote or workshop availability, email \u003ca href=\"mailto:info@mjmodifications.co.uk\"\u003einfo@mjmodifications.co.uk\u003c\/a\u003e.\n  \u003c\/p\u003e\n  \n  \u003ch3\u003eWhat you get from MJ Modifications\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eGenuine BMW cooling system hardware with factory reliability\u003c\/li\u003e\n    \u003cli\u003eFitment check using your registration or VIN\u003c\/li\u003e\n    \u003cli\u003eFast dispatch and knowledgeable support from BMW specialists\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \n  \u003ch3\u003eSearch friendly terms\u003c\/h3\u003e\n  \u003cp\u003e\n    BMW radiator overflow bottle B48, BMW B58 surge tank, BMW degas bottle F20 F21 F22 F23 F30 F31 F34 F32 F33 F36, coolant header bottle 17138677649, OE BMW coolant pot, BMW water expansion bottle, F30 340i overflow tank, F32 440i reservoir, F20 M140i coolant bottle, F22 M240i header tank, 320i 330i 420i 430i coolant container, OEM BMW cooling reservoir B48 B58, F3x coolant bottle replacement, BMW Gran Coupe radiator tank, BMW 17138677649 tank.\n  \u003c\/p\u003e\n  \n\u003c\/div\u003e","brand":"BMW","offers":[{"title":"Default Title","offer_id":55975867122050,"sku":null,"price":122.4,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/5445\/8937\/files\/GenuineBMWB48B58F20F22F30F36BMWCoolantExpansionTank_Inc.120i_230iX_340i_440iX_-1_1946x_607d4cea-ed63-45e4-a6ec-fa59944711ec.jpg?v=1763323018","url":"https:\/\/mjmodifications.co.uk\/products\/genuine-bmw-b48-b58-f20-f22-f30-f36-bmw-coolant-expansion-tank-inc-120i-m240ix-340i-440ix","provider":"MJ Modifications","version":"1.0","type":"link"}