{"title":"Spool - BMW S55","description":"","products":[{"product_id":"spool-spool-fx-170-hpfp-bmw-s55","title":"Spool FX-170 HPFP BMW [S55]","description":"\u003cp data-start=\"0\" data-end=\"41\"\u003e\u003cstrong data-start=\"0\" data-end=\"41\"\u003eSpool FX-170 HPFP Upgrade | BMW S55\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"43\" data-end=\"296\"\u003eThe Spool Performance FX-170 is a high-pressure fuel pump (HPFP) performance upgrade for BMW S55 engines. This solution is designed to significantly increase the fuel system's capacity, enabling higher power output and ethanol blends.\u003c\/p\u003e\n\u003ch3 data-section-id=\"14ed92u\" data-start=\"298\" data-end=\"317\"\u003eWhat is the FX-170?\u003c\/h3\u003e\n\u003cp data-start=\"318\" data-end=\"471\"\u003eThe FX-170 is an upgraded HPFP with a larger cylinder bore than the stock pump. This allows for approximately \u003cstrong data-start=\"430\" data-end=\"470\"\u003e+50% greater fuel flow\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cul data-start=\"473\" data-end=\"628\"\u003e\n\n\u003cli data-section-id=\"161vu7c\" data-start=\"473\" data-end=\"514\"\u003eApprox. +50% flow compared to stock\u003c\/li\u003e\n\n\u003cli data-section-id=\"1hoc70t\" data-start=\"515\" data-end=\"556\"\u003eUp to approx. +25% higher operating pressure\u003c\/li\u003e\n\n\u003cli data-section-id=\"drnk8l\" data-start=\"557\" data-end=\"585\"\u003eFull E85 compatibility\u003c\/li\u003e\n\n\u003cli data-section-id=\"1bczztt\" data-start=\"586\" data-end=\"628\"\u003ePlug \u0026amp; Play installation without modifications\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp data-start=\"630\" data-end=\"656\"\u003eBenefits of higher pressure:\u003c\/p\u003e\n\u003cul data-start=\"657\" data-end=\"783\"\u003e\n\n\u003cli data-section-id=\"1j6wp34\" data-start=\"657\" data-end=\"712\"\u003eImproves injector flow with the same open time\u003c\/li\u003e\n\n\u003cli data-section-id=\"1iwotcg\" data-start=\"713\" data-end=\"752\"\u003eEnables more efficient combustion\u003c\/li\u003e\n\n\u003cli data-section-id=\"1v9s353\" data-start=\"753\" data-end=\"783\"\u003eSupports higher power levels\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1few9je\" data-start=\"785\" data-end=\"820\"\u003eWhy is an upgrade necessary?\u003c\/h3\u003e\n\u003cp data-start=\"821\" data-end=\"880\"\u003eThe S55 engine's stock HPFP is a limiting factor in tuning:\u003c\/p\u003e\n\u003cul data-start=\"882\" data-end=\"976\"\u003e\n\n\u003cli data-section-id=\"r8xr9y\" data-start=\"882\" data-end=\"933\"\u003eInsufficient fuel delivery for high power\u003c\/li\u003e\n\n\u003cli data-section-id=\"1ff051x\" data-start=\"934\" data-end=\"976\"\u003eLimited use of ethanol blends\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp data-start=\"978\" data-end=\"985\"\u003eFX-170:\u003c\/p\u003e\n\u003cul data-start=\"986\" data-end=\"1129\"\u003e\n\n\u003cli data-section-id=\"m6fgie\" data-start=\"986\" data-end=\"1047\"\u003eSignificantly increases fuel system capacity\u003c\/li\u003e\n\n\u003cli data-section-id=\"ri8wj2\" data-start=\"1048\" data-end=\"1087\"\u003eEnables larger turbochargers\u003c\/li\u003e\n\n\u003cli data-section-id=\"lxhdwi\" data-start=\"1088\" data-end=\"1129\"\u003eExpands the platform's tuning potential\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"12wor9l\" data-start=\"1131\" data-end=\"1150\"\u003ePackage contents\u003c\/h3\u003e\n\u003cul data-start=\"1151\" data-end=\"1360\"\u003e\n\n\u003cli data-section-id=\"1kuuvlb\" data-start=\"1151\" data-end=\"1193\"\u003e2 x FX-170 high-pressure fuel pumps\u003c\/li\u003e\n\n\u003cli data-section-id=\"hujf8f\" data-start=\"1194\" data-end=\"1245\"\u003eUpgraded fuel lines + installation hardware\u003c\/li\u003e\n\n\u003cli data-section-id=\"mdue52\" data-start=\"1246\" data-end=\"1297\"\u003eBosch 10 micron high flow fuel filter\u003c\/li\u003e\n\n\u003cli data-section-id=\"1p3c7sv\" data-start=\"1298\" data-end=\"1360\"\u003eEthanol content monitoring system with mobile app\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"bozc01\" data-start=\"1362\" data-end=\"1392\"\u003eSpool 10-micron filter\u003c\/h3\u003e\n\u003cul data-start=\"1393\" data-end=\"1531\"\u003e\n\n\u003cli data-section-id=\"7hi8tw\" data-start=\"1393\" data-end=\"1452\"\u003eExcellent filtration efficiency without significant pressure drop\u003c\/li\u003e\n\n\u003cli data-section-id=\"tik5lp\" data-start=\"1453\" data-end=\"1501\"\u003eProtects pumps and injectors from contaminants\u003c\/li\u003e\n\n\u003cli data-section-id=\"s5egb\" data-start=\"1502\" data-end=\"1531\"\u003eDesigned for the S55 platform\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"15rrm6x\" data-start=\"1533\" data-end=\"1566\"\u003eSpool Ethanol Content Monitor\u003c\/h3\u003e\n\u003cul data-start=\"1567\" data-end=\"1781\"\u003e\n\n\u003cli data-section-id=\"3jnoe6\" data-start=\"1567\" data-end=\"1640\"\u003eReal-time monitoring of ethanol content and fuel temperature\u003c\/li\u003e\n\n\u003cli data-section-id=\"1t93ckn\" data-start=\"1641\" data-end=\"1680\"\u003eBLE 4.0 connection to mobile application\u003c\/li\u003e\n\n\u003cli data-section-id=\"1nwcinv\" data-start=\"1681\" data-end=\"1726\"\u003eEnables precise mixture ratio control\u003c\/li\u003e\n\n\u003cli data-section-id=\"gnlxoh\" data-start=\"1727\" data-end=\"1781\"\u003eFull E85 compatibility for fuel lines\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"hskogk\" data-start=\"1783\" data-end=\"1808\"\u003eSoftware requirements\u003c\/h3\u003e\n\u003cul data-start=\"1809\" data-end=\"1907\"\u003e\n\n\u003cli data-section-id=\"11d2rje\" data-start=\"1809\" data-end=\"1859\"\u003eRequires software modifications before use\u003c\/li\u003e\n\n\u003cli data-section-id=\"15nstv5\" data-start=\"1860\" data-end=\"1907\"\u003eCalibration must be performed before using the pump\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp data-start=\"1909\" data-end=\"1915\"\u003eSpool:\u003c\/p\u003e\n\u003cul data-start=\"1916\" data-end=\"2018\"\u003e\n\n\u003cli data-section-id=\"ckc1s8\" data-start=\"1916\" data-end=\"1961\"\u003eProvides necessary information to the tuner\u003c\/li\u003e\n\n\u003cli data-section-id=\"60bsoe\" data-start=\"1962\" data-end=\"2018\"\u003eHelps in finding an experienced tuner if needed\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp data-start=\"2020\" data-end=\"2066\"\u003eNote: Spool does not offer ready-made custom tunes\u003c\/p\u003e\n\u003ch3 data-section-id=\"xsho2v\" data-start=\"2068\" data-end=\"2091\"\u003eImportant note: LPFP\u003c\/h3\u003e\n\u003cp data-start=\"2092\" data-end=\"2146\"\u003eThe low-pressure fuel system is critical:\u003c\/p\u003e\n\u003cul data-start=\"2148\" data-end=\"2321\"\u003e\n\n\u003cli data-section-id=\"vkv130\" data-start=\"2148\" data-end=\"2208\"\u003eInsufficient supply can damage pumps and injectors\u003c\/li\u003e\n\n\u003cli data-section-id=\"194ejp7\" data-start=\"2209\" data-end=\"2258\"\u003eHPFP lubrication relies on fuel flow\u003c\/li\u003e\n\n\u003cli data-section-id=\"16itufs\" data-start=\"2259\" data-end=\"2321\"\u003eLack of fuel can lead to wear and failure\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp data-start=\"2323\" data-end=\"2379\"\u003eRecommendation: ensure sufficient low-pressure side upgrade\u003c\/p\u003e","brand":"QT Parts","offers":[{"title":"Default Title","offer_id":49494359507291,"sku":"SP-FX-S55","price":4337.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/9937\/5126\/files\/fx170-1_900x900_crop_center_1c2bcc97-08ea-4132-a573-8d8a72b35633.png?v=1731780521"},{"product_id":"spool-stage-3-lpfp-bmw-s55","title":"Spool Stage 3 LPFP BMW [S55]","description":"\u003ch3 data-end=\"222\" data-start=\"170\" data-section-id=\"cwim3t\"\u003eSpool Performance Stage 3 LPFP – BMW F8x M3 \/ M4\u003c\/h3\u003e\n\u003cp data-end=\"556\" data-start=\"224\"\u003eThe Spool Performance Stage 3 LPFP (Low Pressure Fuel Pump) is designed for BMW F8x M3 and M4 models seeking significantly increased power and fuel system capacity. In high-power builds, especially with E85 fuel, the original low-pressure pump often becomes a bottleneck in the fuel system.\u003c\/p\u003e\n\u003cp data-end=\"704\" data-start=\"558\"\u003eThe Stage 3 LPFP solves this problem by offering a dual pump solution that elevates fuel flow capacity to an entirely new level.\u003c\/p\u003e\n\u003cp data-end=\"762\" data-start=\"706\"\u003eThe system uses two electric fuel pumps:\u003c\/p\u003e\n\u003cul data-end=\"861\" data-start=\"763\"\u003e\n\u003cli data-end=\"808\" data-start=\"763\" data-section-id=\"t2rca7\"\u003eone pump operates continuously as normal\u003c\/li\u003e\n\u003cli data-end=\"861\" data-start=\"809\" data-section-id=\"cedyjw\"\u003ethe second pump activates when boost pressure rises\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"1053\" data-start=\"863\"\u003eThis intelligent solution enables nearly double the fuel flow compared to the standard system, ensuring sufficient fuel supply even for very high power outputs.\u003c\/p\u003e\n\u003cp data-end=\"1208\" data-start=\"1055\"\u003eThe Stage 3 LPFP supports power levels of over 1200 whp, regardless of the fuel used (gasoline, E85, or other high-ethanol blends).\u003c\/p\u003e\n\u003cp data-end=\"1380\" data-start=\"1210\"\u003eThe pump is delivered as a ready plug \u0026amp; play unit that directly replaces the original pump. Installation requires no assembly, modifications, or return of the old pump.\u003c\/p\u003e","brand":"QT Parts","offers":[{"title":"Hobbs-kytkimen kela","offer_id":52683040915803,"sku":"SP-BMF8x-FP-1","price":1341.0,"currency_code":"EUR","in_stock":true},{"title":"Reflex Controller Plug \u0026 Play","offer_id":52683040948571,"sku":"SP-BMF8x-FP-2","price":1341.0,"currency_code":"EUR","in_stock":true},{"title":"Reflex Controller Flying Lead","offer_id":52683040981339,"sku":"SP-BMF8x-FP-3","price":1341.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/9937\/5126\/files\/IMG_083-1014x912_900x900_3c747070-4e13-4a48-9bdc-8b2be0eb27ba.png?v=1731780608"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/9937\/5126\/collections\/bmw_logo_black_1_c85a17fb-40d0-4a42-9776-047db5678b41.png?v=1731780475","url":"https:\/\/www.qtparts.fi\/en-gb\/collections\/spool-bmw-s55.oembed","provider":"QT Parts","version":"1.0","type":"link"}