{"product_id":"precision-raceworks-bmw-f3x-f8x-billet-top-hat","title":"Precision Raceworks BMW F3x\/F8x Billet Top Hat","description":"\u003ch2\u003eOVERVIEW\u003c\/h2\u003e\n\u003cp\u003eThe \"top hat\" caps the fuel pump module inside the tank — where fuel line and wiring connections meet the pump, and where clearances get tight once you add an external pump for a hybrid build. Precision Raceworks' billet top hat is machined to properly accommodate their upgraded\/hybrid pump setups, replacing the factory plastic top hat with a stronger, purpose-built billet aluminum piece and eliminating the melted-connector failure mode of the factory part.\u003c\/p\u003e\n\u003ch2\u003eSPECS\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCNC-machined, anodized billet aluminum construction — replaces the factory plastic top hat and its known-weak electrical connectors\u003c\/li\u003e\n\u003cli\u003eUp to 3 high-flow fuel ports\u003c\/li\u003e\n\u003cli\u003e5-bar fuel pressure regulator for factory compatibility\u003c\/li\u003e\n\u003cli\u003eReplaceable high-flow fuel filter — 10-micron standard, 6-micron available, USA-made Micro-Glass element\u003c\/li\u003e\n\u003cli\u003eHermetically sealed wire pass-through (PRW's proprietary HMS design) prevents vapor\/fuel from passing through the wire and supports PWM control\u003c\/li\u003e\n\u003cli\u003eBuilt for hybrid pump setups — clearance and mounting for single-pump, dual-pump, AFS-style, Stage 3, Stage 4, and more\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePARTS INCLUDED\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eBillet aluminum top hat\u003c\/li\u003e\n\u003cli\u003eHigh-flow fuel fittings and plugs for unused ports\u003c\/li\u003e\n\u003cli\u003e5-bar fuel pressure regulator\u003c\/li\u003e\n\u003cli\u003eReplaceable fuel filter\u003c\/li\u003e\n\u003cli\u003eWiring harnesses for primary and secondary pumps (8 wires total)\u003c\/li\u003e\n\u003cli\u003eIn-tank hoses and clamps\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTECH RESOURCES\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eWiring diagram (B58 \/ S55 brushless): \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0961\/4226\/2579\/files\/F-Series_Top_Hat_Brushless_Diagram_01.06.25.jpg?v=1785366282\"\u003eF-Series Top Hat Brushless Wiring Diagram\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eIntended for use alongside a PRW hybrid fuel pump upgrade (Stage 2 or higher) that adds an external pump — \u003ca href=\"https:\/\/x58cartel.com\/products\/precision-raceworks-b58-upgraded-hybrid-fuel-pump-bmw-amp-toyota-supra\"\u003eB58 Upgraded Hybrid Fuel Pump\u003c\/a\u003e (F-Series)\u003c\/li\u003e\n\u003cli\u003eWiring is flying-lead and must be crimped or soldered to factory wiring (8 wires total); pump output port is 7.89mm (5\/16\") to fit the OEM fuel line\u003c\/li\u003e\n\u003cli\u003eThis is the F-Series-specific top hat — not interchangeable with the \u003ca href=\"https:\/\/x58cartel.com\/products\/precision-raceworks-g-series-bmw-supra-a9x-billet-fuel-pump-top-hat\"\u003eG-Series\/Supra version (601-0316)\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eNot for sale or use in California on any pollution-controlled vehicle per CARB\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePART NUMBER\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e601-0331 (PR Stage 4\/4.5, S55\/B58)\u003c\/li\u003e\n\u003cli\u003e601-0371 (All Other Pumps)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eVEHICLE APPLICATIONS\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eChassis\u003c\/th\u003e\n\u003cth\u003eEngine\u003c\/th\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e340i\u003c\/td\u003e\n\u003ctd\u003eF30\u003c\/td\u003e\n\u003ctd\u003eB58 3.0L\u003c\/td\u003e\n\u003ctd\u003e2016–2019\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e440i\u003c\/td\u003e\n\u003ctd\u003eF32\/F33\/F36\u003c\/td\u003e\n\u003ctd\u003eB58 3.0L\u003c\/td\u003e\n\u003ctd\u003e2016–2021\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eM240i\u003c\/td\u003e\n\u003ctd\u003eF22\/F23\u003c\/td\u003e\n\u003ctd\u003eB58 3.0L\u003c\/td\u003e\n\u003ctd\u003e2016–2021\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Precision Raceworks","offers":[{"title":"PR Stage 4\/4.5 (S55\/B58)","offer_id":53731863757107,"sku":"601-0331","price":699.99,"currency_code":"USD","in_stock":true},{"title":"All Other Pumps","offer_id":53731863789875,"sku":"601-0371","price":699.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0961\/4226\/2579\/files\/F-SeriesAFSMain-TopHatFront_dcb2fb5e-26f1-4d5f-85b8-6aa48e2ec55b.webp?v=1785176232","url":"https:\/\/x58cartel.com\/products\/precision-raceworks-bmw-f3x-f8x-billet-top-hat","provider":"x58cartel","version":"1.0","type":"link"}