{"product_id":"spool-helix-hpfp-overdrive-unit-bmw-n54-n55","title":"Spool Helix HPFP Overdrive Unit – BMW N54 \/ Early N55","description":"\u003cp\u003e\u003cstrong\u003eSpool Helix HPFP Overdrive Unit\u003c\/strong\u003e uses a planetary gearbox to increase high-pressure fuel-pump shaft speed and displacement volume on BMW N54 and early N55 applications.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eConfiguration:\u003c\/strong\u003e choose N54 or N55 and whether to include the recommended Helix 10-micron filter unit.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e N54 and compatible early-N55 HPFP architecture only. Confirm VIN and pump configuration before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDispatch:\u003c\/strong\u003e Special order — allow 2–3 weeks.\u003c\/p\u003e\u003ch3\u003eConfirmed catalogue fitment\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine families:\u003c\/strong\u003e N54, N55\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBMW chassis:\u003c\/strong\u003e E60, E61, E82, E88, E90, E91, E92, E93, F01, F02, F10\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVehicle models:\u003c\/strong\u003e 135i, 335i, 335is, 535i, 740i\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFuel-system selection and installation\u003c\/h3\u003e\u003cp\u003eFuel-system parts must be selected around the complete combination of engine generation, fuel type, target output, existing pump and injector configuration, and the calibration strategy. A component appearing for an engine family does not mean it replaces every factory or upgraded fuel-system arrangement used on that engine.\u003c\/p\u003e\u003cp\u003eProfessional installation and calibration are recommended where the product changes fuel pressure, pump control, injector flow, ethanol-content input or port-injection operation. Confirm wiring, plumbing, electrical load, controller requirements and compatible supporting hardware before ordering.\u003c\/p\u003e\u003ch3\u003eBefore ordering\u003c\/h3\u003e\u003cp\u003eSelect your exact BMW through MLAB My Garage and review the product options, included parts and installation requirements. Where a vehicle has been modified from its original engine, transmission or fuel-system specification, contact MLAB with the VIN and current hardware list so the combination can be checked before supply.\u003c\/p\u003e\u003ch3\u003eMLAB support\u003c\/h3\u003e\u003cp\u003eMLAB by Boost and Tune can assist with product selection, workshop installation and dyno calibration for supported BMW applications in Melbourne. Product availability and lead time should be confirmed when ordering supplier-built or special-order components.\u003c\/p\u003e","brand":"Spool Performance","offers":[{"title":"N54 \/ No Helix 10 micron filter","offer_id":49973861810418,"sku":"SP-BM-HELNOF-N54-NF","price":1780.0,"currency_code":"AUD","in_stock":true},{"title":"N54 \/ Include Helix 10 micron filter","offer_id":49973861843186,"sku":"SP-BM-HELNOF-N54-F","price":2013.0,"currency_code":"AUD","in_stock":true},{"title":"N55 \/ No Helix 10 micron filter","offer_id":49973861875954,"sku":"SP-BM-HELNOF-N55-NF","price":1780.0,"currency_code":"AUD","in_stock":true},{"title":"N55 \/ Include Helix 10 micron filter","offer_id":49973861908722,"sku":"SP-BM-HELNOF-N55-F","price":2013.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0845\/4825\/5986\/files\/helix.jpg?v=1787619764","url":"https:\/\/mlab-boostandtune.com\/products\/spool-helix-hpfp-overdrive-unit-bmw-n54-n55","provider":"M Lab by Boost \u0026 Tune","version":"1.0","type":"link"}