{"product_id":"precision-raceworks-b58-gen-1-gauntlet-hpfp-upgrade","title":"Precision Raceworks B58 Gen 1 Gauntlet HPFP Upgrade","description":"\u003ch2\u003eOVERVIEW\u003c\/h2\u003e\n\u003cp\u003eUnlike low-pressure pump upgrades that address fuel delivery to the engine bay, the Gauntlet is a high-pressure fuel pump (HPFP) upgrade — the pump responsible for pressurizing fuel for direct injection. On heavily tuned B58 Gen 1 engines, the factory HPFP becomes a hard ceiling on power regardless of low-pressure supply. The Precision Raceworks Gauntlet HPFP Upgrade is built to remove that ceiling.\u003c\/p\u003e\n\u003ch2\u003eSPECS\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e+70% fuel flow over the stock pump (68% confirmed on PRW's spec sheet), ~4% more than PRW's earlier \"Big Bore\" HPFP\u003c\/li\u003e\n\u003cli\u003ePower potential: up to 1,022 whp on gasoline, 730 whp on E85, at up to 240 bar \/ 24 MPa \/ 3,500 psi max operating pressure\u003c\/li\u003e\n\u003cli\u003eCast stainless steel construction; leak- and pressure-tested; each unit serialized with its own flow test data sheet\u003c\/li\u003e\n\u003cli\u003eTested through 60,000+ miles of real-world driving, plus CFD analysis, kinematic\/structural testing, and 120+ hours of dyno bench testing\u003c\/li\u003e\n\u003cli\u003eTested across pump gas, E85, and blends in between\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePARTS INCLUDED\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGauntlet HPFP (cast stainless steel)\u003c\/li\u003e\n\u003cli\u003eLow-pressure inlet tube with Teflon internals\u003c\/li\u003e\n\u003cli\u003eStainless steel high-pressure outlet tube\u003c\/li\u003e\n\u003cli\u003ePump adaptation flange and alignment tool\u003c\/li\u003e\n\u003cli\u003eElectrical harness adapter\u003c\/li\u003e\n\u003cli\u003eColor installation guide and serialized flow test data sheet\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTECH RESOURCES\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eInstall guide (PDF): \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0961\/4226\/2579\/files\/BMW_B58_PRW_201-0444_HPFP_Kit_Install_Guide_v1.0.pdf?v=1785366282\"\u003ePRW B58 Gauntlet HPFP (201-0444) Install Guide\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eA tune is required to safely use the increased fuel delivery — recommended tuning suites are EcuTek, BM3, and MHD. A tuning guide is available to your tuner on request. In stock: \u003ca href=\"https:\/\/x58cartel.com\/products\/mhd-super-license-for-b58\"\u003eMHD Super License for B58 (F+G Series)\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003ePairs with a PRW low-pressure pump upgrade (or the factory pump for moderate builds) — \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\n\u003c\/li\u003e\n\u003cli\u003eComplete the fueling system: \u003ca href=\"https:\/\/x58cartel.com\/products\/precision-raceworks-port-injection-kit-bmw-b58-s58-amp-toyota-supra\"\u003eB58 Port Injection Kit\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003ePlug-and-play, fully reversible — do not install without a tuning plan in place. Fitment\/tuning guaranteed only for North America-spec vehicles per PRW\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\u003e201-0444\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 Gen 1\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 Gen 1\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\u003e540i\u003c\/td\u003e\n\u003ctd\u003eG30\u003c\/td\u003e\n\u003ctd\u003eB58 Gen 1\u003c\/td\u003e\n\u003ctd\u003e2017–2019\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e740i\u003c\/td\u003e\n\u003ctd\u003eG11\u003c\/td\u003e\n\u003ctd\u003eB58 Gen 1\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\u003eM240i\u003c\/td\u003e\n\u003ctd\u003eF22\/F23\u003c\/td\u003e\n\u003ctd\u003eB58 Gen 1\u003c\/td\u003e\n\u003ctd\u003e2017–2021\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eX3 M40i\u003c\/td\u003e\n\u003ctd\u003eG01\u003c\/td\u003e\n\u003ctd\u003eB58 Gen 1\u003c\/td\u003e\n\u003ctd\u003e2017–2019\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eX4 M40i\u003c\/td\u003e\n\u003ctd\u003eG02\u003c\/td\u003e\n\u003ctd\u003eB58 Gen 1\u003c\/td\u003e\n\u003ctd\u003e2018–2019\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Precision Raceworks","offers":[{"title":"B58 Gen 1 F-Series","offer_id":53704153530675,"sku":"201-0444","price":1815.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0961\/4226\/2579\/files\/Fuel-Pump-Front_B58-Gen-1-Gauntlet-HPFP-High-Pressure-Fuel-Pump-Upgrade.jpg?v=1784926604","url":"https:\/\/x58cartel.com\/products\/precision-raceworks-b58-gen-1-gauntlet-hpfp-upgrade","provider":"x58cartel","version":"1.0","type":"link"}