{"product_id":"motul-rbf-660-factory-line-dot-4-brake-fluid","title":"Motul RBF 660 Factory Line DOT 4 Racing Brake Fluid","description":"\u003cdiv class=\"n72-motul-seo\"\u003e\n\u003ch2\u003eMotul RBF 660 Factory Line DOT 4 Racing Brake Fluid overview\u003c\/h2\u003e\n\u003cp\u003eMotul RBF 660 Factory Line DOT 4 Racing Brake Fluid is part of the Motul braking-fluid range for performance road cars, track-day cars and motorsport applications. Select the correct DOT specification and follow the vehicle or brake-system manufacturer's service requirements.\u003c\/p\u003e\n\u003ch3\u003eAvailable sizes\u003c\/h3\u003e\n\u003cp\u003e500ml. Select the required size above; each size retains its own Motul SKU for accurate stock synchronisation.\u003c\/p\u003e\n\u003ch3\u003eProduct information\u003c\/h3\u003e\n\u003ch2\u003eMotul RBF 660 Factory Line DOT 4 Racing Brake Fluid 500ml\u003c\/h2\u003e\n\u003cp\u003eMotul RBF 660 Factory Line is a high-temperature DOT 4 racing brake fluid for demanding performance, track-day and motorsport use. With a 325°C dry boiling point and 205°C wet boiling point, it provides additional fresh-fluid temperature headroom over RBF 600.\u003c\/p\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e500ml factory-sealed bottle\u003c\/li\u003e\n\u003cli\u003e325°C dry boiling point\u003c\/li\u003e\n\u003cli\u003e205°C wet boiling point\u003c\/li\u003e\n\u003cli\u003eDOT 4 high-performance racing brake fluid\u003c\/li\u003e\n\u003cli\u003eSuitable for compatible hydraulic brake and clutch systems requiring non-silicone synthetic fluid\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBMW M2, M3 and M4 track-day brake fluid\u003c\/h3\u003e\n\u003cp\u003eRBF 660 is the fluid we include in our BMW F8X track brake packages for compatible cars with the factory blue Brembo calipers. If you are preparing a BMW M2 F87 or M2 Competition, M3 F80 or M4 F82\/F83 for circuit use, browse the \u003ca href=\"\/collections\/bmw-m2-brake-upgrades-hel-lines-pagid-pads-ebc-discs-more\"\u003eBMW M2 brake collection\u003c\/a\u003e, \u003ca href=\"\/collections\/bmw-f80-m3-brakes\"\u003eBMW M3 brake collection\u003c\/a\u003e and \u003ca href=\"\/collections\/bmw-f82-m4-brakes-track-focused-upgrades\"\u003eBMW M4 brake collection\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eFor a complete package, see our \u003ca href=\"\/products\/bmw-m2-m3-m4-track-brake-upgrade-bundle-front-rsl29s-rbf-660-hel-duct-kit-more\"\u003eBMW F8X front track brake bundle\u003c\/a\u003e or \u003ca href=\"\/products\/bmw-m2-m3-m4-track-brake-upgrade-bundle-front-rear-rsl29s-rbf-660-hel-duct-kit-more-copy\"\u003eBMW F8X front and rear track brake bundle\u003c\/a\u003e. Both combine RBF 660 with track-focused pads, braided lines and brake cooling.\u003c\/p\u003e\n\u003ch3\u003eRBF 600, RBF 660 or RBF 700?\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"\/products\/motul-rbf-600-factory-line-dot-4-brake-fluid-500ml\"\u003eRBF 600\u003c\/a\u003e offers a 312°C dry boiling point. RBF 660 raises this to 325°C and is a strong all-round choice for harder track use. \u003ca href=\"\/products\/motul-rbf-700-factory-line-dot-4-brake-fluid-500ml\"\u003eRBF 700\u003c\/a\u003e reaches 336°C dry for the highest dry-boiling performance in the trio. Our \u003ca href=\"\/blogs\/buying-guides\/motul-rbf660-vs-rbf700-which-brake-fluid-should-you-use\"\u003eRBF660 vs RBF700 guide\u003c\/a\u003e explains the trade-off in more detail.\u003c\/p\u003e\n\u003ch3\u003eFitment and use\u003c\/h3\u003e\n\u003cp\u003eAlways confirm that your vehicle and braking system require a compatible DOT 4 fluid. Do not use with silicone-based brake fluids or LHM. Brake fluid absorbs moisture, so keep the bottle sealed until required and follow the correct service and bleeding procedure for the vehicle.\u003c\/p\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs Motul RBF 660 suitable for a BMW M2 track day?\u003c\/strong\u003e\u003cbr\u003eRBF 660 is included in our F8X track brake bundles for compatible BMW M2, M3 and M4 applications using the factory blue Brembo setup. The required fluid specification and condition of the complete braking system should still be checked before circuit use.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the boiling point of RBF 660?\u003c\/strong\u003e\u003cbr\u003e325°C dry and 205°C wet.\u003c\/p\u003e\n\u003cdiv class=\"n72-motul-related\"\u003e\n\u003ch3\u003eRelated Motul products\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/motul-rbf-660-factory-line-dot-4-brake-fluid-1-5l-3-pack\"\u003eMotul RBF 660 Factory Line DOT 4 Racing Brake Fluid 1.5L (3 x 500ml)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/motul-rbf-660-factory-line-dot-4-brake-fluid-1l-2-pack\"\u003eMotul RBF 660 Factory Line DOT 4 Racing Brake Fluid 1L (2 x 500ml)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/motul-rbf-700-factory-line-dot-4-brake-fluid\"\u003eMotul RBF 700 Factory Line DOT 4 Racing Brake Fluid\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003ch3\u003eShop Motul at Nineteen72 Performance\u003c\/h3\u003e\n\u003cp\u003eNineteen72 Performance is an official Motul dealer supplying performance oils, brake fluids, transmission fluids, coolant and car-care products for road, track and workshop customers in the UK. Continue shopping our \u003ca href=\"\/collections\/motul-performance-products-uk\"\u003eMotul performance oils and fluids\u003c\/a\u003e, \u003ca href=\"\/collections\/brake-fluid\"\u003ebrake fluid\u003c\/a\u003e and \u003ca href=\"\/collections\/track-day-motorsport-parts\"\u003etrack day and motorsport parts\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Always confirm the required viscosity, specification, approval or fluid standard for your vehicle before use.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Motul","offers":[{"title":"500ml","offer_id":65305640239453,"sku":"MOTUL-101666","price":18.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0799\/0411\/2989\/files\/thumb_9900f42a-b66e-4711-9b45-b035767f5144.jpg?v=1755458325","url":"https:\/\/nineteen72performance.co.uk\/products\/motul-rbf-660-factory-line-dot-4-brake-fluid","provider":"Nineteen72 Performance","version":"1.0","type":"link"}