{"product_id":"rcw-s63tu4-billet-coolant-reservoir-bmw-f90-m5-f91-f92-f93-m8-17137889450","title":"RCW S63TU4 Billet Coolant Reservoir, BMW – F90 M5 \u0026 F91\/F92\/F93 M8 – 17137889450","description":"\u003ch1 data-section-id=\"1q18tte\" data-start=\"0\" data-end=\"65\" class=\"PDq2pG_selectionAnchorContainer\"\u003eS63TU4 Billet Coolant Reservoir for BMW F90 M5 \u0026amp; F91\/F92\/F93 M8\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h1\u003e\n\u003cp data-start=\"67\" data-end=\"426\"\u003eUpgrade your cooling system with the \u003cstrong data-start=\"104\" data-end=\"139\"\u003eS63TU4 Billet Coolant Reservoir\u003c\/strong\u003e, engineered specifically for the \u003cstrong data-start=\"173\" data-end=\"187\"\u003eBMW F90 M5\u003c\/strong\u003e and \u003cstrong data-start=\"192\" data-end=\"220\"\u003eBMW F91, F92, and F93 M8\u003c\/strong\u003e models. Designed as a direct replacement for the factory plastic coolant tank, this premium \u003cstrong data-start=\"313\" data-end=\"355\"\u003e6061 billet aluminum coolant reservoir\u003c\/strong\u003e eliminates one of the most common failure points on the S63TU4 engine.\u003c\/p\u003e\n\u003cp data-start=\"428\" data-end=\"863\"\u003eUnlike the OEM plastic reservoir, which is prone to cracking and coolant leaks over time, this \u003cstrong data-start=\"523\" data-end=\"569\"\u003eCNC-machined billet coolant expansion tank\u003c\/strong\u003e offers exceptional durability and long-term reliability. It is a true \u003cstrong data-start=\"640\" data-end=\"665\"\u003eplug-and-play upgrade\u003c\/strong\u003e, utilizing the factory coolant cap, OEM quick-connect fittings, and original coolant level sensor for hassle-free installation without triggering warning lights or affecting coolant level readings.\u003c\/p\u003e\n\u003cp data-start=\"865\" data-end=\"1125\"\u003eWhether your BMW is a daily driver or a high-performance build, this \u003cstrong data-start=\"934\" data-end=\"966\"\u003eBMW billet coolant reservoir\u003c\/strong\u003e provides the confidence and durability needed to protect your engine from coolant leaks that can damage ignition coils, injectors, and surrounding components.\u003c\/p\u003e\n\u003ch2 data-section-id=\"1ma7m6t\" data-start=\"1127\" data-end=\"1142\"\u003eKey Features\u003c\/h2\u003e\n\u003cul data-start=\"1144\" data-end=\"1638\"\u003e\n\u003cli data-section-id=\"1knl317\" data-start=\"1144\" data-end=\"1198\"\u003ePrecision CNC-machined from \u003cstrong data-start=\"1174\" data-end=\"1198\"\u003e6061 billet aluminum\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1cszai3\" data-start=\"1199\" data-end=\"1248\"\u003eDirect replacement for OEM part \u003cstrong data-start=\"1233\" data-end=\"1248\"\u003e17137889450\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"lu12rd\" data-start=\"1249\" data-end=\"1299\"\u003eEliminates common OEM plastic reservoir failures\u003c\/li\u003e\n\u003cli data-section-id=\"1sq8n2t\" data-start=\"1300\" data-end=\"1333\"\u003eRetains the factory coolant cap\u003c\/li\u003e\n\u003cli data-section-id=\"70coyv\" data-start=\"1334\" data-end=\"1385\"\u003eUses OEM quick-connect fittings for a perfect fit\u003c\/li\u003e\n\u003cli data-section-id=\"5h5uoo\" data-start=\"1386\" data-end=\"1437\"\u003eCompatible with the original coolant level sensor\u003c\/li\u003e\n\u003cli data-section-id=\"lljnhe\" data-start=\"1438\" data-end=\"1508\"\u003eInternal baffling reduces coolant movement during aggressive driving\u003c\/li\u003e\n\u003cli data-section-id=\"7vxnky\" data-start=\"1509\" data-end=\"1558\"\u003eO-ring housing designed for the OEM sensor seal\u003c\/li\u003e\n\u003cli data-section-id=\"1nhvrp0\" data-start=\"1559\" data-end=\"1602\"\u003eCorrosion-resistant, durable construction\u003c\/li\u003e\n\u003cli data-section-id=\"2dk9a3\" data-start=\"1603\" data-end=\"1638\"\u003eSimple plug-and-play installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"zg1b8s\" data-start=\"1640\" data-end=\"1655\"\u003eWhy Upgrade?\u003c\/h2\u003e\n\u003cp data-start=\"1657\" data-end=\"1958\"\u003eThe factory plastic coolant reservoir on the \u003cstrong data-start=\"1702\" data-end=\"1716\"\u003eBMW F90 M5\u003c\/strong\u003e and \u003cstrong data-start=\"1721\" data-end=\"1731\"\u003eBMW M8\u003c\/strong\u003e is well known for developing cracks and leaks over time. A leaking coolant tank can result in coolant reaching the ignition coils and fuel injectors, leading to expensive repairs, unexpected breakdowns, and even engine damage.\u003c\/p\u003e\n\u003cp data-start=\"1960\" data-end=\"2200\"\u003eReplacing the original plastic reservoir with another OEM unit only delays the problem. This \u003cstrong data-start=\"2053\" data-end=\"2090\"\u003ebillet aluminum coolant reservoir\u003c\/strong\u003e offers a permanent solution, providing superior strength, improved reliability, and long-lasting performance.\u003c\/p\u003e\n\u003ch2 data-section-id=\"113zahf\" data-start=\"2202\" data-end=\"2226\"\u003eVehicle Compatibility\u003c\/h2\u003e\n\u003cp data-start=\"2228\" data-end=\"2269\"\u003eCompatible with the following BMW models:\u003c\/p\u003e\n\u003cul data-start=\"2271\" data-end=\"2392\"\u003e\n\u003cli data-section-id=\"1x1rc0t\" data-start=\"2271\" data-end=\"2295\"\u003eBMW F90 M5 (2018–2023)\u003c\/li\u003e\n\u003cli data-section-id=\"8f6716\" data-start=\"2296\" data-end=\"2324\"\u003eBMW F90 M5 LCI (2019–2023)\u003c\/li\u003e\n\u003cli data-section-id=\"f2gs0u\" data-start=\"2325\" data-end=\"2349\"\u003eBMW F91 M8 Convertible\u003c\/li\u003e\n\u003cli data-section-id=\"vjssec\" data-start=\"2350\" data-end=\"2368\"\u003eBMW F92 M8 Coupe\u003c\/li\u003e\n\u003cli data-section-id=\"1ttqxen\" data-start=\"2369\" data-end=\"2392\"\u003eBMW F93 M8 Gran Coupe\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2394\" data-end=\"2442\"\u003e\u003cstrong data-start=\"2394\" data-end=\"2426\"\u003eOEM Replacement Part Number:\u003c\/strong\u003e \u003cstrong data-start=\"2427\" data-end=\"2442\"\u003e17137889450\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2444\" data-end=\"2694\"\u003e\u003cstrong data-start=\"2444\" data-end=\"2458\"\u003eImportant:\u003c\/strong\u003e Please verify your vehicle uses OEM part number \u003cstrong data-start=\"2507\" data-end=\"2522\"\u003e17137889450\u003c\/strong\u003e before purchasing. You can confirm compatibility by entering the last seven digits of your VIN into the BMW parts catalog and checking the radiator\/cooling system section.\u003c\/p\u003e\n\u003ch2 data-section-id=\"16dprsq\" data-start=\"2696\" data-end=\"2717\"\u003eInstallation Notes\u003c\/h2\u003e\n\u003cul data-start=\"2719\" data-end=\"3187\"\u003e\n\u003cli data-section-id=\"15mxy5a\" data-start=\"2719\" data-end=\"2765\"\u003eReuse the original BMW coolant level sensor.\u003c\/li\u003e\n\u003cli data-section-id=\"1af0f2x\" data-start=\"2766\" data-end=\"2798\"\u003eReuse the factory coolant cap.\u003c\/li\u003e\n\u003cli data-section-id=\"1nln7f2\" data-start=\"2799\" data-end=\"2948\"\u003eThe coolant sensor may require gentle trimming around the plastic housing during removal if it is difficult to extract from the original reservoir.\u003c\/li\u003e\n\u003cli data-section-id=\"pqr3qh\" data-start=\"2949\" data-end=\"2999\"\u003eA new O-ring for the coolant sensor is included.\u003c\/li\u003e\n\u003cli data-section-id=\"ve6dao\" data-start=\"3000\" data-end=\"3086\"\u003eTighten the OEM cap securely; the alignment arrows do not need to line up perfectly.\u003c\/li\u003e\n\u003cli data-section-id=\"j23azh\" data-start=\"3087\" data-end=\"3187\"\u003eCompatibility is the customer's responsibility. Please verify the OEM part number before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"hnuoty\" data-start=\"3189\" data-end=\"3223\"\u003eUpgrade Your BMW Cooling System\u003c\/h2\u003e\n\u003cp data-start=\"3225\" data-end=\"3520\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eProtect your \u003cstrong data-start=\"3238\" data-end=\"3252\"\u003eBMW F90 M5\u003c\/strong\u003e or \u003cstrong data-start=\"3256\" data-end=\"3266\"\u003eBMW M8\u003c\/strong\u003e from common coolant reservoir failures with this premium \u003cstrong data-start=\"3324\" data-end=\"3359\"\u003eS63TU4 Billet Coolant Reservoir\u003c\/strong\u003e. Built for strength, reliability, and OEM-level fitment, it's the ideal cooling system upgrade for enthusiasts who demand lasting performance and peace of mind.\u003c\/p\u003e","brand":"RCW Performance","offers":[{"title":"Raw Aluminum","offer_id":54441569747290,"sku":null,"price":1208.9,"currency_code":"GBP","in_stock":true},{"title":"Black Anodized","offer_id":54441569780058,"sku":null,"price":1483.9,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0945\/9250\/0058\/files\/Coolant-Res-RCW22.webp?v=1784343711","url":"https:\/\/www.rcwperformance.co.uk\/products\/rcw-s63tu4-billet-coolant-reservoir-bmw-f90-m5-f91-f92-f93-m8-17137889450","provider":"RCW Performance","version":"1.0","type":"link"}