{"product_id":"spool-stage-3-lpfp-diy-bmw-s58","title":"Spool Stage 3 DIY Low-Pressure Fuel Pump – BMW S58","description":"\u003cp\u003e\u003cstrong\u003eSpool Stage 3 DIY Low-Pressure Fuel Pump for BMW S58\u003c\/strong\u003e is a secondary-pump upgrade designed around a simple in-tank bracket system and customer-selectable pump activation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eWalbro 450 or Walbro 525 pump choice\u003c\/li\u003e\n\u003cli\u003eThree secondary-pump activation choices: Hobbs switch, ReFlex plug-and-play or ReFlex flying lead\u003c\/li\u003e\n\u003cli\u003eSupplier states installation uses a compact clip and bracket arrangement in the OEM tank\u003c\/li\u003e\n\u003cli\u003eHobbs-switch configuration activates the secondary pump at approximately 10 psi\u003c\/li\u003e\n\u003cli\u003eReFlex flying-lead configuration uses a tuner-controlled ground trigger\u003c\/li\u003e\n\u003cli\u003eReFlex plug-and-play configuration is intended for compatible full replacement ReFlex harnesses\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e Spool confirms S58 G-chassis fitment. The supplier does not confirm F97\/F98 fitment for this DIY kit, so this Built by Boost \u0026amp; Tune listing is routed to G80\/G81\/G82\/G83\/G87 applications only.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Spool recommends the Walbro 450 for most applications. The Walbro 525 has higher current draw and should be matched to an appropriate control strategy.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDispatch:\u003c\/strong\u003e Special order — allow 2–3 weeks.\u003c\/p\u003e\u003ch2\u003eProduct System\u003c\/h2\u003e\u003cul\u003e\u003cli\u003eFuel System\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eVehicle Fitment\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBMW M2 G87 S58\u003c\/li\u003e\n\u003cli\u003eBMW M3 G80 G81 S58\u003c\/li\u003e\n\u003cli\u003eBMW M3 G80 S58\u003c\/li\u003e\n\u003cli\u003eBMW M3 Touring G81 S58\u003c\/li\u003e\n\u003cli\u003eBMW M4 Convertible G83 S58\u003c\/li\u003e\n\u003cli\u003eBMW M4 G82 G83 S58\u003c\/li\u003e\n\u003cli\u003eBMW M4 G82 S58\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eConfirm chassis, engine, drivetrain and production-year compatibility before ordering.\u003c\/p\u003e\u003ch2\u003eAvailable Options\u003c\/h2\u003e\u003ch3\u003ePump\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eWalbro 450 (Recommended)\u003c\/li\u003e\n\u003cli\u003eWalbro 525\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSecondary Pump Activation\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eHobbs switch secondary pump activation\u003c\/li\u003e\n\u003cli\u003eReflex controller - plug and play secondary pump activation\u003c\/li\u003e\n\u003cli\u003eReflex controller flying lead secondary pump activation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSupplier Part Numbers\u003c\/h2\u003e\u003cp\u003eSP-S58-DIYLPFP-450-HOBBS, SP-S58-DIYLPFP-450-REFLEX-PNP, SP-S58-DIYLPFP-450-REFLEX-FLY, SP-S58-DIYLPFP-525-HOBBS, SP-S58-DIYLPFP-525-REFLEX-PNP, SP-S58-DIYLPFP-525-REFLEX-FLY\u003c\/p\u003e\u003ch2\u003eBuilt by Boost \u0026amp; Tune Support\u003c\/h2\u003e\u003cp\u003eBBT can assist with fitment review, installation, supporting modifications, configuration and calibration requirements where applicable.\u003c\/p\u003e","brand":"Spool Performance","offers":[{"title":"Walbro 450 (Recommended) \/ Hobbs switch secondary pump activation","offer_id":43748863311939,"sku":"SP-S58-DIYLPFP-450-HOBBS","price":1771.0,"currency_code":"AUD","in_stock":true},{"title":"Walbro 450 (Recommended) \/ Reflex controller - plug and play secondary pump activation","offer_id":43748863344707,"sku":"SP-S58-DIYLPFP-450-REFLEX-PNP","price":1771.0,"currency_code":"AUD","in_stock":true},{"title":"Walbro 450 (Recommended) \/ Reflex controller flying lead secondary pump activation","offer_id":43748863377475,"sku":"SP-S58-DIYLPFP-450-REFLEX-FLY","price":1771.0,"currency_code":"AUD","in_stock":true},{"title":"Walbro 525 \/ Hobbs switch secondary pump activation","offer_id":43748863410243,"sku":"SP-S58-DIYLPFP-525-HOBBS","price":1771.0,"currency_code":"AUD","in_stock":true},{"title":"Walbro 525 \/ Reflex controller - plug and play secondary pump activation","offer_id":43748863443011,"sku":"SP-S58-DIYLPFP-525-REFLEX-PNP","price":1771.0,"currency_code":"AUD","in_stock":true},{"title":"Walbro 525 \/ Reflex controller flying lead secondary pump activation","offer_id":43748863475779,"sku":"SP-S58-DIYLPFP-525-REFLEX-FLY","price":1771.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/0659\/4883\/files\/diy_pump2_a602e05d-8182-43c2-b11b-7b59a21d7a55.jpg?v=1788410266","url":"https:\/\/builtbyboostandtune.com.au\/products\/spool-stage-3-lpfp-diy-bmw-s58","provider":"BUILT BY BOOST AND TUNE","version":"1.0","type":"link"}