{"title":"S58 Fuel Pumps","description":"\u003cp\u003eCompare Precision Raceworks S58 fuel pump upgrades and auxiliary fuel systems for your BMW.\u003c\/p\u003e\u003cdetails style=\"margin: 12px 0 0; text-align: left;\"\u003e\u003csummary style=\"cursor: pointer; font-weight: 600; text-align: center;\"\u003eS58 fuel pump buying guide\u003c\/summary\u003e\u003cdiv style=\"padding-top: 16px;\"\u003e\n\u003cp\u003eCompare BMW S58 fuel pump upgrades and auxiliary fuel systems from Precision Raceworks. Start with your chassis and fuel-system layout: a primary pump upgrade and a separate supply for port injection perform different jobs.\u003c\/p\u003e\n\u003ch2\u003eHybrid primary fuel pump or dedicated AFS?\u003c\/h2\u003e\n\u003cp\u003eThe \u003ca href=\"\/products\/g8x-s58-upgraded-hybrid-primary-fuel-pump\"\u003eG8x S58 hybrid primary fuel pump\u003c\/a\u003e upgrades the factory low-pressure supply. Its listed configurations use the factory brushless pump with an additional Walbro pump. This layout can feed the high-pressure fuel pump and port injection through a shared supply; check the fuel-line and filter requirements for the selected stage.\u003c\/p\u003e\n\u003cp\u003eA stand-alone auxiliary fuel system, or AFS, supplies the port injection separately. It does not replace the engine's high-pressure direct-injection pump. Precision Raceworks offers chassis-specific systems with dedicated pumps, lines, filtration and pressure regulation. Included components and pump configurations vary by option.\u003c\/p\u003e\n\u003ch2\u003eShop by BMW chassis\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/m3-m4-m340i-m440i-g8x-g2x-stand-alone-afs\"\u003eG8x M3\/M4 stand-alone AFS\u003c\/a\u003e: review the G8x\/G2x application's options.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/m2-m240i-g87-g42-stand-alone-afs\"\u003eG87 M2 stand-alone AFS\u003c\/a\u003e: select the configuration for your vehicle.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/x3-x3m-g01-f97-stand-alone-afs\"\u003eF97 X3M stand-alone AFS\u003c\/a\u003e: check the X3\/X3M product's listed fitment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese products also list selected B58 applications where specified. Match the exact model, engine and chassis before ordering; S58 fuel systems are not interchangeable across every BMW chassis.\u003c\/p\u003e\n\u003cp\u003eFor the rest of your setup, explore \u003ca href=\"\/collections\/s58-port-injection\"\u003eS58 port injection kits\u003c\/a\u003e, all \u003ca href=\"\/collections\/s58\"\u003eS58 performance parts\u003c\/a\u003e, and our \u003ca href=\"\/collections\/fueling-ignition\"\u003eBMW fueling and ignition collection\u003c\/a\u003e. Use the stage-specific fuel-blend ratings and your tuner's requirements to choose capacity.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/details\u003e","products":[{"product_id":"m2-m240i-g87-g42-stand-alone-afs","title":"M2\/M240i (G87\/G42) Stand Alone AFS","description":"\u003cp\u003eThe Precision Raceworks \u003cstrong\u003eM2\/M240i (G87\/G42) Stand Alone AFS\u003c\/strong\u003e is the highest performing and most stable low pressure fuel system on the market! Forget about how things have been done and embrace the benefits of dedicated fueling for your port injection! \u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eSince direct injection came out on modern BMW's, enthusiasts have been adding port injection.  With this came the need to upgrade the low-pressure fuel system to keep up.  Historically this was done by increasing the output of the main fuel system.  Unfortunately, the main fuel pump is controlled using PWM by a factory programmed controller designed to reduce output when target fuel pressure (typically 5 bar) is exceeded, creating a constant battle when pumps are added or upgraded.  This limits upgraded fuel pumps from performing to their full potential.\u003c\/p\u003e\n\u003cp\u003eAdditionally, the high pressure pump control system dumps fuel back into the low pressure system at high pressure low volume resulting in oscillations of the low pressure fuel system.  Because of this the DI system in the car is required to constantly make corrections to keep target AFR in check. \u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eWith this stand-alone low-pressure fuel system dedicated to your port fueling that is a thing of the past!  Get rock solid fuel pressures at any pressure, run fuel pressures which are 1:1 scalable to boost pressure, flow more fuel with dedicated lines, run smaller injectors and still get more fuel than you did with large injectors (allowing for higher resolution), put less demand on the car’s DI system to correct for fluctuations in pressure, even your tuner will be grateful as the system makes tuning of port fueling even easier and more accurate, the list of benefits goes on and on! \u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cstrong\u003e\u003cu\u003eFeatures \u0026amp; Benefits\u003c\/u\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBillet Aluminum top hat with 3 high flow fuel ports\u003c\/li\u003e\n\u003cli\u003eDedicated fuel pump(s) for port injection system\u003c\/li\u003e\n\u003cli\u003eOptimal pump location resistant to fuel slosh under acceleration\u003c\/li\u003e\n\u003cli\u003eFully adjustable 1:1 scaling billet fuel pressure regulator\u003c\/li\u003e\n\u003cli\u003e10 micron USA made Microglass fuel filter (Ideal for E85)\u003c\/li\u003e\n\u003cli\u003eSmooth bore high flow PTFE fuel feed \u0026amp; return lines (AN6)\u003c\/li\u003e\n\u003cli\u003eAll billet connections for both fuel line fittings and top-hat\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003ePlug and play connectors inside and outside* the top hat\u003c\/li\u003e\n\u003cli\u003eConfigurable pump activation harness (see instructions for more details)\u003c\/li\u003e\n\u003cli\u003eIncreased injector flow (when using 1:1 regulator feature vs static)\u003c\/li\u003e\n\u003cli\u003eCompatible with all stock or upgraded primary fuel pumps\u003c\/li\u003e\n\u003cli\u003eEasily expandable and upgrade-able for more fuel\u003c\/li\u003e\n\u003cli\u003eAll components and parts feature 100% Ethanol Compatibility\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cstrong\u003e\u003cu\u003eModels \u0026amp; Configurations\u003c\/u\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e \u003cstrong\u003e\u003cu\u003eAFS.460\u003c\/u\u003e\u003c\/strong\u003e\u003cbr\u003eThe AFS.460 dedicated AFS comes with all** necessary components to provide dedicated fuel system for port injection.  Featuring a single Walbro 535 (F9000295) fuel pump which flows 460LPH at 3 bar.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e \u003cstrong\u003e\u003cu\u003eAFS.640\u003c\/u\u003e\u003c\/strong\u003e\u003cbr\u003eThe AFS.640 dedicated AFS comes with all** necessary components to provide dedicated fuel system for port injection.  Featuring Two Walbro 450’s (F9000274) fuel pumps with a combined flow of 640LPH at 3 bar.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e \u003cstrong\u003e\u003cu\u003eAFS.800\u003c\/u\u003e\u003c\/strong\u003e\u003cbr\u003eThe AFS.800 dedicated AFS comes with all** necessary components to provide dedicated fuel system for port injection.  Featuring Two Walbro 535’s (F9000295) fuel pumps with a combined flow of 800LPH at 3 bar.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e**The AFS kits are designed for use with a port injection kit where the fuel rail is mounted above the manifold.  To use with a plate style spacer PI, please reach out to us directly at 713-770-6977 or sales@precisionraceworks.com\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003c!----\u003e\u003c\/p\u003e","brand":"Precision Raceworks","offers":[{"title":"AFS.460","offer_id":49254695895277,"sku":"601-0342","price":1574.99,"currency_code":"USD","in_stock":true},{"title":"AFS.800","offer_id":49254695928045,"sku":"601-0341","price":1949.99,"currency_code":"USD","in_stock":true},{"title":"AFS.640","offer_id":49254695960813,"sku":"601-0350","price":1799.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0036\/6270\/8851\/files\/m2m240i-g87g42-stand-alone-afsprecision-raceworks-1631736.jpg?v=1781851439"},{"product_id":"x3-x3m-g01-f97-stand-alone-afs","title":"X3\/X3M (G01\/F97) Stand Alone AFS","description":"\u003cp data-mce-fragment=\"1\"\u003eThe Precision Raceworks \u003cstrong data-mce-fragment=\"1\"\u003eX3\/X3M (G01\/F97) Stand Alone AFS\u003c\/strong\u003e is the highest performing and most stable low pressure fuel system on the market! Forget about how things have been done and embrace the benefits of dedicated fueling for your port injection! \u003cbr\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eSince direct injection came out on modern BMW's, enthusiasts have been adding port injection.  With this came the need to upgrade the low-pressure fuel system to keep up.  Historically this was done by increasing the output of the main fuel system.  Unfortunately, the main fuel pump is controlled using PWM by a factory programmed controller designed to reduce output when target fuel pressure (typically 5 bar) is exceeded, creating a constant battle when pumps are added or upgraded.  This limits upgraded fuel pumps from performing to their full potential.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eAdditionally, the high pressure pump control system dumps fuel back into the low pressure system at high pressure low volume resulting in oscillations of the low pressure fuel system.  Because of this the DI system in the car is required to constantly make corrections to keep target AFR in check. \u003cbr\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eWith this stand-alone low-pressure fuel system dedicated to your port fueling that is a thing of the past!  Get rock solid fuel pressures at any pressure, run fuel pressures which are 1:1 scalable to boost pressure, flow more fuel with dedicated lines, run smaller injectors and still get more fuel than you did with large injectors (allowing for higher resolution), put less demand on the car’s DI system to correct for fluctuations in pressure, even your tuner will be grateful as the system makes tuning of port fueling even easier and more accurate, the list of benefits goes on and on! \u003cbr\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\" style=\"text-align: center;\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003e\u003cu data-mce-fragment=\"1\"\u003eFeatures \u0026amp; Benefits\u003c\/u\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eBillet Aluminum top hat with 3 high flow fuel ports\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eDedicated fuel pump(s) for port injection system\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eOptimal pump location resistant to fuel slosh under acceleration\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eFully adjustable 1:1 scaling billet fuel pressure regulator\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e10 micron USA made Microglass fuel filter (Ideal for E85)\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eSmooth bore high flow PTFE fuel feed \u0026amp; return lines (AN6)\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eAll billet connections for both fuel line fittings and top-hat\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003ePlug and play connectors inside and outside* the top hat\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eConfigurable pump activation harness (see instructions for more details)\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eIncreased injector flow (when using 1:1 regulator feature vs static)\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eCompatible with all stock or upgraded primary fuel pumps\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eEasily expandable and upgrade-able for more fuel\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eAll components and parts feature 100% Ethanol Compatibility\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-mce-fragment=\"1\" style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\" style=\"text-align: center;\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003e\u003cu data-mce-fragment=\"1\"\u003eModels \u0026amp; Configurations\u003c\/u\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e \u003cstrong data-mce-fragment=\"1\"\u003e\u003cu data-mce-fragment=\"1\"\u003eAFS.460\u003c\/u\u003e\u003c\/strong\u003e\u003cbr data-mce-fragment=\"1\"\u003eThe AFS.460 dedicated AFS comes with all** necessary components to provide dedicated fuel system for port injection.  Featuring a single Walbro 535 (F9000295) fuel pump which flows 460LPH at 3 bar.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e \u003cstrong data-mce-fragment=\"1\"\u003e\u003cu data-mce-fragment=\"1\"\u003eAFS.800\u003c\/u\u003e\u003c\/strong\u003e\u003cbr data-mce-fragment=\"1\"\u003eThe AFS.800 dedicated AFS comes with all** necessary components to provide dedicated fuel system for port injection.  Featuring Two Walbro 535’s (F9000295) fuel pumps with a combined flow of 800LPH at 3 bar.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e*At time of install some wiring in the car may need to be cut and spliced to connectors included in this kit on older models\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e**The AFS kits are designed for use with a port injection kit where the fuel rail is mounted above the manifold.  To use with a plate style spacer PI, please reach out to us directly at 713-770-6977 or sales@precisionraceworks.com\u003c\/strong\u003e\u003c\/p\u003e\n\u003c!----\u003e","brand":"Precision Raceworks","offers":[{"title":"AFS.460","offer_id":49254697205997,"sku":"601-0338","price":1574.99,"currency_code":"USD","in_stock":true},{"title":"AFS.800","offer_id":49254697238765,"sku":"601-0336","price":1949.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0036\/6270\/8851\/files\/x3x3m-g01f97-stand-alone-afsprecision-raceworks-1694278.jpg?v=1781851454"},{"product_id":"g8x-s58-upgraded-hybrid-primary-fuel-pump","title":"G8x S58 Upgraded Hybrid Primary Fuel Pump","description":"\u003cp\u003eThe Precision Raceworks \u003cstrong\u003eG-Series G8x High Performance Primary fuel pump (Kits)\u003c\/strong\u003e are designed for customers looking to run all blends of E85. These pumps are ideal for customers looking to run a single fuel line to the front of the car and feed the high-pressure fuel pump and port injection from a single pump assembly. \u003ca href=\"\/products\/supra-g-series-upgraded-hybrid-fuel-pump\" title=\"B58 G-Series DIY Kits\" target=\"_blank\"\u003e (For B58 cars click here)\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eAlternative Pump Option by Precision Raceworks:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca title=\"G-Series AFS\" href=\"https:\/\/admin.shopify.com\/products\/g8x-g2x-fuel-pump-upgrade-for-pi\" target=\"_blank\"\u003e\u003cu\u003eFor G8x or G2x customers wishing to run the best check out our\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eStand Alone AFS\u003c\/strong\u003e!\u003c\/u\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2 style=\"text-align: center;\"\u003e\u003cspan style=\"color: #e11f16;\"\u003e\u003cstrong\u003e\u003cu\u003eCaution!\u003c\/u\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003eMany other companies selling pumps are not protecting your high-pressure fuel pump or direct injectors with their fuel pump options.  When comparing other brand pumps to Precision Raceworks ensure there is a fuel filter in the system\u003cspan\u003e \u003c\/span\u003e\u003cu\u003eafter all electric pumps\u003c\/u\u003e\u003cspan\u003e \u003c\/span\u003eeither in the tank or in the fuel line. Companies using a Y fitting to join the factory pump (after the factory filter) and an additional pump before going to the top hat and not including an inline fuel filter are cutting corners and will cause premature failure to the high-pressure fuel pump and direct injectors.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cu\u003eStage 2\u003c\/u\u003e\u003c\/strong\u003e ( 450 LPH @ 5 Bar)\u003cspan\u003e \u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e50\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cstrong\u003e\u003cu\u003e% increase over stock\u003c\/u\u003e\u003c\/strong\u003e\u003cbr\u003eOur Stage 2 bucketed\/bucketless hybrid fuel pump kit includes all necessary components to quickly and easily upgrade your stock pump. This pump kit utilizes the OEM brushless pump in the bucket and adds a Walbro 450 (F90000274) fuel pump outside the bucket. \u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eRated for 850whp on pump gas and 800whp on 100% E85\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cu\u003eIncluded in the box\u003c\/u\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cul\u003e\n\u003cli\u003eWalbro 450 (F90000274 fuel pump)\u003c\/li\u003e\n\u003cli\u003eBillet Fuel Pump mounting bracket\u003c\/li\u003e\n\u003cli\u003ePump activation harness to control fuel pump\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cu\u003eStage 2.5\u003c\/u\u003e\u003c\/strong\u003e (486 LPH @ 5 Bar)\u003cspan\u003e \u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e62\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cstrong\u003e\u003cu\u003e% increase over stock\u003c\/u\u003e\u003c\/strong\u003e\u003cbr\u003eOur Stage 2.5 bucketed\/bucketless hybrid fuel pump kit includes all necessary components to quickly and easily upgrade your stock pump. This pump kit utilizes the OEM brushless pump in the bucket and adds a Walbro 525 (F90000285) fuel pump outside the bucket.\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eRated for 950whp on pump gas and 900 whp on 100% E85\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cu\u003eIncluded in the box\u003c\/u\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cul\u003e\n\u003cli\u003eWalbro 525 (F90000285 fuel pump)\u003c\/li\u003e\n\u003cli\u003eBillet Fuel Pump mounting bracket\u003c\/li\u003e\n\u003cli\u003eHigh flow fuel quick connects for top hat\u003c\/li\u003e\n\u003cli\u003e*Upgraded fuel line from tank to front of car\u003c\/li\u003e\n\u003cul\u003e\n\u003cli\u003eG8x Lines are pre-made and plug \u0026amp; play\u003c\/li\u003e\n\u003cli\u003eAll others are universal\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003e10 Micron USA made inline fuel filter\u003c\/li\u003e\n\u003cli\u003ePump activation harness to control fuel pump\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e* Fuel line is a universal line set and may or may not be ideal for your specific application.  It contains 110\" of fuel line, a 90 degree 3\/8\" female quick connect, a straight female 3\/8\" quick connect and two straight AN6 fittings. \u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eYOU MUST CUT AND INSTALL YOUR OWN (included) FITTINGS.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFor more details see the specifications tab\u003c\/p\u003e","brand":"Precision Raceworks","offers":[{"title":"G8x \/ Stage 2","offer_id":49254700876013,"sku":"601-0289-G8x","price":649.99,"currency_code":"USD","in_stock":true},{"title":"G8x \/ Stage 2.5","offer_id":49254700908781,"sku":"622-0284-G8x","price":999.99,"currency_code":"USD","in_stock":true},{"title":"Universal \/ Stage 2","offer_id":49254700941549,"sku":"601-0289-S58","price":649.99,"currency_code":"USD","in_stock":true},{"title":"Universal \/ Stage 2.5","offer_id":49254700974317,"sku":"622-0277-S58","price":999.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0036\/6270\/8851\/files\/g8x-s58-upgraded-hybrid-primary-fuel-pumpprecision-raceworks-8397223.jpg?v=1781851637"},{"product_id":"m3-m4-m340i-m440i-g8x-g2x-stand-alone-afs","title":"M3\/M4\/M340i\/M440i (G8x\/G2x) Stand Alone AFS","description":"\u003cp style=\"text-align: center;\"\u003e\u003cem\u003e\u003cstrong\u003eNOW FEATURING PLUG AND PLAY CONNECTORS and AN8 Adapters for your fuel rail!\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003eNow it is no longer necessary to cut your factory harness!\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe Precision Raceworks \u003cstrong\u003eM3\/M4\/M340i\/M440i (G8x\/G2x) Stand Alone AFS\u003c\/strong\u003e is the highest performing and most stable low pressure fuel system on the market! Forget about how things have been done and embrace the benefits of dedicated fueling for your port injection! \u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eSince direct injection came out for BMW, enthusiasts have been adding port injection.  With this came the need to upgrade the low-pressure fuel system to keep up.  Historically this was done by increasing the output of the main fuel system.  Unfortunately, the main fuel pump is controlled using PWM by a factory programmed controller designed to reduce output when target fuel pressure (typically 5 bar) is exceeded, creating a constant battle when pumps are added or upgraded.  This limits upgraded fuel pumps from performing to their full potential.\u003c\/p\u003e\n\u003cp\u003eAdditionally, the high pressure pump control system dumps fuel back into the low pressure system at high pressure low volume resulting in oscillations of the low pressure fuel system.  Because of this the DI system in the car is required to constantly make corrections to keep target AFR in check. \u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eWith this stand-alone low-pressure fuel system dedicated to your port fueling that is a thing of the past!  Get rock solid fuel pressures at any pressure, run fuel pressures which are 1:1 scalable to boost pressure, flow more fuel with dedicated lines, run smaller injectors and still get more fuel than you did with large injectors (allowing for higher resolution), put less demand on the car’s DI system to correct for fluctuations in pressure, even your tuner will be grateful as the system makes tuning of port fueling even easier and more accurate, the list of benefits goes on and on! \u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cstrong\u003e\u003cu\u003eFeatures \u0026amp; Benefits\u003c\/u\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBillet Aluminum top hat with 3 high flow fuel ports\u003c\/li\u003e\n\u003cli\u003eDedicated fuel pump(s) for port injection system\u003c\/li\u003e\n\u003cli\u003eOptimal pump location resistant to fuel slosh under acceleration\u003c\/li\u003e\n\u003cli\u003eFully adjustable 1:1 scaling billet fuel pressure regulator\u003c\/li\u003e\n\u003cli\u003e10 micron USA made Microglass fuel filter (Ideal for E85)\u003c\/li\u003e\n\u003cli\u003eSmooth bore high flow PTFE fuel feed \u0026amp; return lines (AN6)\u003c\/li\u003e\n\u003cli\u003eAll billet connections for both fuel line fittings and top-hat\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003ePlug and play connectors inside and outside* the top hat\u003c\/li\u003e\n\u003cli\u003eConfigurable pump activation harness (see instructions for more details)\u003c\/li\u003e\n\u003cli\u003eIncreased injector flow (when using 1:1 regulator feature vs static)\u003c\/li\u003e\n\u003cli\u003eCompatible with all stock or upgraded primary fuel pumps\u003c\/li\u003e\n\u003cli\u003eEasily expandable and upgradable for more fuel\u003c\/li\u003e\n\u003cli\u003eAll components and parts feature 100% Ethanol Compatibility\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cstrong\u003e\u003cu\u003eModels \u0026amp; Configurations\u003c\/u\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e \u003cstrong\u003e\u003cu\u003eAFS.425\u003c\/u\u003e\u003c\/strong\u003e\u003cbr\u003eThe AFS.425 dedicated AFS comes with all** necessary components to provide dedicated fuel system for port injection.  Featuring a single Walbro 450 (F9000274) fuel pump which flows 425LPH at 3 bar.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e \u003cstrong\u003e\u003cu\u003eAFS.460\u003c\/u\u003e\u003c\/strong\u003e\u003cbr\u003eThe AFS.460 dedicated AFS comes with all** necessary components to provide dedicated fuel system for port injection.  Featuring a single Walbro 535 (F9000295) fuel pump which flows 460LPH at 3 bar.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e \u003cstrong\u003e\u003cu\u003eAFS.640\u003c\/u\u003e\u003c\/strong\u003e\u003cbr\u003eThe AFS.640 dedicated AFS comes with all** necessary components to provide dedicated fuel system for port injection.  Featuring Two Walbro 450’s (F9000274) fuel pumps with a combined flow of 640LPH at 3 bar.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e \u003cstrong\u003e\u003cu\u003eAFS.745\u003c\/u\u003e\u003c\/strong\u003e\u003cbr\u003eThe AFS.745 dedicated AFS comes with all** necessary components to provide dedicated fuel system for port injection.  Featuring One Walbro 450 (F900074)  \u0026amp; One Walbro 535 (F9000295) fuel pumps with a combined flow of 745LPH @ 3bar.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e \u003cstrong\u003e\u003cu\u003eAFS.800\u003c\/u\u003e\u003c\/strong\u003e\u003cbr\u003eThe AFS.800 dedicated AFS comes with all** necessary components to provide dedicated fuel system for port injection.  Featuring Two Walbro 535’s (F9000295) fuel pumps with a combined flow of 800LPH at 3 bar.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e*At time of install some wiring in the car may need to be cut and spliced to connectors included in this kit\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e**Male AN8-ORB to Female AN6-ORB adapter may be required for compatibility with some fuel rails (not included in kit)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/an8-male-orb-to-an6-female-orb-adapter\" title=\"AN8 ORB to AN6 Female ORB Adapter\" target=\"_blank\"\u003eAN8 ORB to AN6 Female ORB - For feed input side (by firewall) (LINK)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/an8-orb-to-an6-male-flare-adapter\" title=\"AN8 ORB to AN6 Male Flare adapter\" target=\"_blank\"\u003eAN8 ORB to AN6 Male Flare - For return side (front of car) (LINK)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Precision Raceworks","offers":[{"title":"AFS.425","offer_id":49254701170925,"sku":"601-0281","price":1499.99,"currency_code":"USD","in_stock":true},{"title":"AFS.460","offer_id":49254701203693,"sku":"601-0282","price":1574.99,"currency_code":"USD","in_stock":true},{"title":"AFS.640","offer_id":49254701236461,"sku":"601-0283","price":1799.99,"currency_code":"USD","in_stock":true},{"title":"AFS.745","offer_id":49254701269229,"sku":"601-0284","price":1874.99,"currency_code":"USD","in_stock":true},{"title":"AFS.800","offer_id":49254701301997,"sku":"601-0285","price":1949.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0036\/6270\/8851\/files\/m3m4m340im440i-g8xg2x-stand-alone-afsprecision-raceworks-1762603.jpg?v=1781851642"}],"url":"https:\/\/coloradon5x.com\/collections\/s58-fuel-pumps.oembed","provider":"COLORADO N5X","version":"1.0","type":"link"}