{"product_id":"bmw-f91-f92-f93-m8-billet-coolant-reservoir","title":"BMW F91 F92 F93 M8 Billet Coolant Reservoir","description":"\u003cp data-start=\"155\" data-end=\"209\" class=\"\"\u003e\u003cstrong data-start=\"155\" data-end=\"209\"\u003eRK Autowerks Billet Coolant Reservoir – BMW S63TU4\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"211\" data-end=\"607\" class=\"\"\u003eSay goodbye to cracked plastic coolant tanks. The RK Autowerks Billet Coolant Reservoir is precision-machined in-house in Texas, USA, as a direct solution to the failure-prone OEM plastic reservoir found on the S63TU4 platform. Crafted from solid 6061 billet aluminum, this reservoir is built for performance, durability, and long-term reliability in high-temperature, high-pressure environments.\u003c\/p\u003e\n\u003cp data-start=\"609\" data-end=\"848\" class=\"\"\u003eEngineered to retain all factory functionality, the billet tank keeps the OEM pressure relief cap and sensor setup. It connects directly to the original fittings using OEM-style quick-connect ports—making this a true plug-and-play upgrade.\u003c\/p\u003e\n\u003cp data-start=\"850\" data-end=\"867\" class=\"\"\u003e\u003cstrong data-start=\"850\" data-end=\"867\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"870\" data-end=\"910\"\u003eCNC machined from 6061 billet aluminum\u003c\/li\u003e\n\u003cli data-start=\"913\" data-end=\"943\"\u003eRetains factory pressure cap\u003c\/li\u003e\n\u003cli data-start=\"946\" data-end=\"990\"\u003eReuses factory sensor for level monitoring\u003c\/li\u003e\n\u003cli data-start=\"993\" data-end=\"1021\"\u003eDirect-fit OEM connections\u003c\/li\u003e\n\u003cli data-start=\"1024\" data-end=\"1063\"\u003eO-ring sealed for leak-free operation\u003c\/li\u003e\n\u003cli data-start=\"1066\" data-end=\"1129\"\u003eInternally baffled to reduce slosh and maintain system pressure\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1131\" data-end=\"1151\" class=\"\"\u003e\u003cstrong data-start=\"1131\" data-end=\"1151\"\u003eVehicle Fitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1175\" data-end=\"1205\"\u003e2019+ BMW F91 \/ F92 \/ F93 M8\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1207\" data-end=\"1463\" class=\"\"\u003e\u003cstrong data-start=\"1207\" data-end=\"1229\"\u003eInstallation Note:\u003c\/strong\u003e\u003cbr data-start=\"1229\" data-end=\"1232\"\u003eYou’ll need to transfer the OEM coolant level sensor from the original reservoir. In some cases, removal may require minor trimming. An O-ring is not included—please measure your original and source a replacement locally if needed.\u003c\/p\u003e","brand":"RK Autowerks","offers":[{"title":"Raw Aluminum","offer_id":67858052645171,"sku":"RK-BCR-S63TU4","price":1099.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/3827\/3587\/files\/RK-Billet-Coolant-Reservoir3.webp?v=1709308008","url":"https:\/\/5150autosport.com\/de\/products\/bmw-f91-f92-f93-m8-billet-coolant-reservoir","provider":"5150 AutoSport","version":"1.0","type":"link"}