{"product_id":"fuel-it-bmw-e-chassis-135i-and-335i-n54-low-pressure-fuel-pump-stage-1","title":"Fuel-It BMW N54\/N55 Stage 1 LPFP Inline Low Pressure Fuel Pump Upgrade Kit for 1M, 135i, 335i (E82\/E88\/E90\/E92\/E93, X1 E84) - Walbro GSL392 - E85 Compatible","description":"\u003cdiv class=\"product__description rte\"\u003e\n  \n  \u003ch2\u003eHigh-flow low side fuelling for BMW N54 and N55 turbo models\u003c\/h2\u003e\n  \n  \u003cp\u003e\n    Keep your remapped BMW supplied with consistent petrol under boost with this inline auxiliary fuel pump kit. It runs in-line with the original in-tank unit to increase low side capacity by approximately 50 percent when paired with a healthy factory pump. Fully assembled and ready to fit, it uses the proven Walbro GSL392 and ethanol-safe hardware for dependable performance on pump fuel or E85 blends.\n  \u003c\/p\u003e\n  \n  \u003cp\u003e\n    Perfect for fast-road and trackday builds, this upgrade gives your twin-turbo straight-six the headroom it needs for stable low side pressure, cleaner pulls and greater reliability on tuned cars. In real-world setups it supports roughly 300 to 500 wheel horsepower when the OE lift pump is in good condition.\n  \u003c\/p\u003e\n  \n  \u003cp\u003e\n    We run this setup on our own cars and have fitted it for many customers. Feedback has been consistently excellent for drivability, reliability and value.\n  \u003c\/p\u003e\n  \n  \u003ch3\u003eKey reasons enthusiasts choose this kit\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eInline low side solution that retains your original in-tank unit for OEM-like refinement\u003c\/li\u003e\n    \u003cli\u003eAbout 50 percent more flow when combined with the stock pump for stronger fuel supply under load\u003c\/li\u003e\n    \u003cli\u003ePre-built assembly with Walbro GSL392 and ethanol compatible components for simple installation\u003c\/li\u003e\n    \u003cli\u003eSupports circa 300 to 500 whp on petrol with a healthy OE lift pump\u003c\/li\u003e\n    \u003cli\u003eIdeal for tuned BMW 1M, 135i and 335i owners seeking a dependable fuelling upgrade\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \n  \u003ch3\u003eWhat you receive\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eSAE J30R10 E85-safe hose\u003c\/li\u003e\n    \u003cli\u003e14 gauge fuel-resistant wiring harness\u003c\/li\u003e\n    \u003cli\u003eFemale bullet quick-connects x2\u003c\/li\u003e\n    \u003cli\u003eVent tube replacement clip\u003c\/li\u003e\n    \u003cli\u003eNylon cable ties x10\u003c\/li\u003e\n    \u003cli\u003eStainless lock nuts x2\u003c\/li\u003e\n    \u003cli\u003e10 ga to 14 ga step-down butt splices with ethanol-safe heatshrink x2\u003c\/li\u003e\n    \u003cli\u003ePush-lock pump retention fittings x2\u003c\/li\u003e\n    \u003cli\u003e14 ga butt connectors with heatshrink for easy removal if returning to stock x2\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \n  \u003ch3\u003eVehicle fitment\u003c\/h3\u003e\n  \u003cp\u003eFor BMW E-chassis models with the N54 or N55 engine, including:\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003e1 Series E82 Coupe and E88 Convertible\u003c\/li\u003e\n    \u003cli\u003e3 Series E90 Saloon, E91 Touring, E92 Coupe, E93 Convertible\u003c\/li\u003e\n    \u003cli\u003eX1 E84\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003eModels such as the 1M, 135i and 335i are all supported.\u003c\/p\u003e\n  \n  \u003ch3\u003eFitting and support\u003c\/h3\u003e\n  \u003cp\u003e\n    Supplied fully assembled for an uncomplicated install alongside the factory pump. A healthy OE unit is required for best results. Professional fitting is recommended.\n  \u003c\/p\u003e\n  \u003cp\u003e\n    Want it installed by experts. MJ Modifications in Warwickshire offer fitting services. Request a quote at \u003ca href=\"mailto:info@mjmodifications.co.uk\"\u003einfo@mjmodifications.co.uk\u003c\/a\u003e.\n  \u003c\/p\u003e\n  \n  \u003ch3\u003ePre-dispatch compatibility check\u003c\/h3\u003e\n  \u003cp\u003e\n    To guarantee correct fitment we can verify compatibility before shipping. Add your UK registration or the last seven characters of your VIN at checkout.\n  \u003c\/p\u003e\n  \n  \u003ch3\u003eManufacturer and warranty\u003c\/h3\u003e\n  \u003cp\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Fuel-It\u003c\/p\u003e\n  \u003cp\u003e\u003cstrong\u003eWarranty:\u003c\/strong\u003e Fuel-It Limited Warranty\u003c\/p\u003e\n  \n  \u003ch3\u003ePart number\u003c\/h3\u003e\n  \u003cp\u003e\u003cstrong\u003eE-N54-LPFP-S1\u003c\/strong\u003e\u003c\/p\u003e\n  \n  \u003ch3\u003eCommon search terms\u003c\/h3\u003e\n  \u003cp\u003e\n    BMW low side fuel pump upgrade, N54 lift pump kit, N55 inline fuel pump, auxiliary fuel pump BMW, external fuel pump kit BMW, Walbro GSL392 inline, ethanol safe fuel system BMW, E85 ready fuel pump BMW, BMW 135i low pressure pump, BMW 335i low side upgrade, BMW 1M fueling upgrade, E82 135i fuel system, E90 335i fuel pump kit, E92 335i fueling, E93 convertible fuel pump upgrade, X1 E84 fuel pump upgrade, tuned BMW fueling solution, remapped BMW fuel pressure upgrade, trackday fueling upgrade BMW.\n  \u003c\/p\u003e\n  \n\u003c\/div\u003e","brand":"Fuel-It","offers":[{"title":"Default Title","offer_id":55975622771074,"sku":null,"price":210.37,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/5445\/8937\/files\/FUEL-ITBMWN54_N55STAGE1LPFPLOWPRESSUREFUELPUMP_1M_135I_335I_1946x_a5f05493-0a55-46e2-b65f-623db9f86f27_1024x1024_2x-transformed.webp?v=1763322736","url":"https:\/\/mjmodifications.co.uk\/products\/fuel-it-bmw-e-chassis-135i-and-335i-n54-low-pressure-fuel-pump-stage-1","provider":"MJ Modifications","version":"1.0","type":"link"}