{"product_id":"spool-stage-3-lpfp-diy-bmw-b58-gen1","title":"Spool Stage 3 DIY Low-Pressure Fuel Pump – BMW B58 Gen 1","description":"\u003cp\u003e\u003cstrong\u003eSpool Stage 3 DIY Low-Pressure Fuel Pump for BMW B58 Gen 1\u003c\/strong\u003e adds a secondary boost-activated low-pressure pump using Spool's DIY hardware package.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eGenuine Walbro 450 secondary pump\u003c\/li\u003e\n\u003cli\u003eBillet aluminium pump holder\u003c\/li\u003e\n\u003cli\u003eQuick-connect fuel hose and fitting package\u003c\/li\u003e\n\u003cli\u003eHardware required for the secondary-pump installation\u003c\/li\u003e\n\u003cli\u003eSelectable secondary-pump activation harness\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eSecondary Pump Activation:\u003c\/strong\u003e choose Hobbs switch, ReFlex plug-and-play or ReFlex flying-lead activation. All three supplier configurations are separate Shopify variants even though their selling price is identical.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e supplier\/reseller documentation confirms F30\/F31\/F34 340i and F32\/F33\/F36 440i B58 Gen 1 applications. Confirm VIN before ordering where fuel-tank hardware differs.\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 3 Series F30 Lci B58\u003c\/li\u003e\n\u003cli\u003eBMW 3 Series F31 Lci B58\u003c\/li\u003e\n\u003cli\u003eBMW 3 Series Gt F34 B58\u003c\/li\u003e\n\u003cli\u003eBMW 4 Series F32 Lci B58\u003c\/li\u003e\n\u003cli\u003eBMW 4 Series F33 Lci B58\u003c\/li\u003e\n\u003cli\u003eBMW 4 Series Gran Coupe F36 Lci B58\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\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-B58-LPDIY-HOBBS, SP-B58-LPDIY-REFLEX-PNP, SP-B58-LPDIY-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":"Hobbs switch secondary pump activation","offer_id":43748864098371,"sku":"SP-B58-LPDIY-HOBBS","price":1303.0,"currency_code":"AUD","in_stock":true},{"title":"Reflex controller - plug and play secondary pump activation","offer_id":43748864131139,"sku":"SP-B58-LPDIY-REFLEX-PNP","price":1303.0,"currency_code":"AUD","in_stock":true},{"title":"Reflex controller flying lead secondary pump activation","offer_id":43748864163907,"sku":"SP-B58-LPDIY-REFLEX-FLY","price":1303.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/0659\/4883\/files\/fchassi_20diy3-1014x912.jpg?v=1788415815","url":"https:\/\/builtbyboostandtune.com.au\/products\/spool-stage-3-lpfp-diy-bmw-b58-gen1","provider":"BUILT BY BOOST AND TUNE","version":"1.0","type":"link"}