{"product_id":"mmr-bmw-60mm-billet-coolant-cap-for-bmw","title":"MMX Billet Aluminium Expansion Tank Cap 60mm for BMW \u0026 MINI, Coolant Reservoir\/Header Tank Lid, Fits OE 17 11 7 639 024","description":"\u003cp\u003e\u003cstrong\u003ePremium billet aluminium expansion tank lid for BMW and MINI enthusiasts\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eUpgrade your engine bay with a precision-machined 60 mm reservoir top that looks smart and feels reassuring every time you twist it on. Designed and engineered in the UK from a solid billet of aluminium, this direct replacement radiator header tank lid delivers a high-quality finish and a secure, positive fit for long-lasting reliability on the road and on track.\u003c\/p\u003e\n\n\u003cp\u003eUnlike stick-on dress-up covers, this is a full replacement part that swaps straight onto the factory expansion reservoir. The result is a tougher, better-looking cooling system lid that elevates your bay and inspires confidence.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eCNC-machined from solid aluminium for strength and durability\u003c\/li\u003e\n  \u003cli\u003eDirect swap for the original reservoir top, no adapters or covers\u003c\/li\u003e\n  \u003cli\u003eCrisp, precise engagement for a confident seal\u003c\/li\u003e\n  \u003cli\u003eIdeal for engine bay styling, performance builds and daily drivers\u003c\/li\u003e\n  \u003cli\u003eEngine cooling system upgrade with a premium motorsport look\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFits vehicles using OEM reference \u003cstrong\u003e17 11 7 639 024\u003c\/strong\u003e. If your Bavarian model or MINI Cooper variant shares this OE part number, this billet reservoir lid is the correct fit. Always check your existing expansion tank cap number before ordering.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhy choose this reservoir cap from us\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUK-engineered quality with an excellent fit and finish\u003c\/li\u003e\n  \u003cli\u003eWe use this part on our own builds and customer cars with great feedback\u003c\/li\u003e\n  \u003cli\u003ePopular search terms: radiator reservoir cover, expansion tank cap, header tank lid, engine coolant reservoir top, billet alloy tank cap, BMW Mini water tank cap\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eFitting service\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eInstallation is straightforward. For professional fitting, choose MJ Modifications in Warwickshire. Request a quote: \u003ca href=\"mailto:info@mjmodifications.co.uk\"\u003einfo@mjmodifications.co.uk\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003eAdd this billet expansion reservoir lid to your basket today for a smarter, tougher and more satisfying finish to your BMW or MINI cooling system.\u003c\/p\u003e","brand":"Champion Rainbow Co. Ltd (Previously Golden Bloom)","offers":[{"title":"Default Title","offer_id":56496628007298,"sku":"MMR03-1503","price":81.89,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/5445\/8937\/files\/MMR03-1503_1bf09ff2-270b-4dd5-a7e2-374bd939653e.png?v=1774093659","url":"https:\/\/mjmodifications.co.uk\/products\/mmr-bmw-60mm-billet-coolant-cap-for-bmw","provider":"MJ Modifications","version":"1.0","type":"link"}