{"product_id":"radium-engineering-fuel-hanger-surge-tank-fhst-ra-bmw-e90-e91-e92-e93-n54-n55-walbro-gss342-aem-50-1200-20-1970","title":"Radium Engineering Fuel Hanger Surge Tank (FHST-RA) BMW E90\/E91\/E92\/E93 N54\/N55, Walbro GSS342 \/ AEM 50-1200 - 20-1970","description":"\u003cp\u003eRadium Engineering 20-1970 FHST-RA fuel hanger surge tank for the BMW E90\/E91\/E92\/E93 3-series with N54 or N55 engines. Built for Walbro GSS342 or AEM 50-1200 fuel pumps (pumps not included).\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eInstalls inside the BMW tank on the side opposite the factory pump and holds one or two high-flow aftermarket pumps\u003c\/li\u003e\n\u003cli\u003eThe OEM pump fills the surge tank, and the surge tank pumps supply the engine. It targets fuel starvation during high lateral G-force driving\u003c\/li\u003e\n\u003cli\u003eDrop-in OEM replacement with no permanent modifications; E85 compatible\u003c\/li\u003e\n\u003cli\u003eThe surge tank draws fuel from three sources: the OEM lift pump, the fuel pressure regulator (FPR) and an integrated 1-way fill valve\u003c\/li\u003e\n\u003cli\u003eRA-series regulator with tool-less knob adjustment. Detents give haptic feedback, each adjusting about 1 psi (+\/-0.5 psi)\u003c\/li\u003e\n\u003cli\u003e360 degree swiveling vacuum reference port with double O-ring seal. Four interchangeable 10-32 vacuum fittings: barbed (3\/16 in barb), 3AN male, push-to-connect (for 1\/4 in OD tubing) and a vacuum plug\u003c\/li\u003e\n\u003cli\u003e8AN ORB feed port with a preinstalled low-profile 8AN male fitting to clear the OEM pump cover\u003c\/li\u003e\n\u003cli\u003eVerified pumps for 20-1970: Walbro GSS342, AEM 50-1000 and AEM 50-1200\u003c\/li\u003e\n\u003cli\u003eAnodized aluminum canister and 8AN male outlet fitting; stainless steel hardware; fuel-resistant tubing and wiring (gasoline and ethanol compliant)\u003c\/li\u003e\n\u003cli\u003eHigh-current electrical hardware: stainless steel studs with nonconductive acorn nuts, serviceable sealed connections and ETFE-insulated in-tank wiring. Includes one relay, one fuse and wiring for one pump\u003c\/li\u003e\n\u003cli\u003eFuel feed kits 20-0475-03\/-05 and the 20-0806 FPR block-off kit are sold separately. The 20-0475 feed kits are not compatible with the M3 because of the exhaust system\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eIncluded\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFuel hanger surge tank (partially assembled)\u003c\/li\u003e\n\u003cli\u003eHardware for pump installation\u003c\/li\u003e\n\u003cli\u003eFilter socks\u003c\/li\u003e\n\u003cli\u003eDIY fuel pump wiring kit (for one pump)\u003c\/li\u003e\n\u003cli\u003eElectrical parts kit for external wiring\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003ePumps are not included.\u003c\/p\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eVehicle\u003c\/th\u003e\n\u003cth\u003eEngine\u003c\/th\u003e\n\u003cth\u003eSource\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW E90 3-series\u003c\/td\u003e\n\u003ctd\u003eN54 or N55\u003c\/td\u003e\n\u003ctd\u003eRadium Engineering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW E91 3-series\u003c\/td\u003e\n\u003ctd\u003eN54 or N55\u003c\/td\u003e\n\u003ctd\u003eRadium Engineering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW E92 3-series\u003c\/td\u003e\n\u003ctd\u003eN54 or N55\u003c\/td\u003e\n\u003ctd\u003eRadium Engineering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW E93 3-series\u003c\/td\u003e\n\u003ctd\u003eN54 or N55\u003c\/td\u003e\n\u003ctd\u003eRadium Engineering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003eRadium also lists compatibility with the E90\/E91\/E92\/E93 M3 tank. The M3 uses a brushless fuel pump, so the installer must devise their own pump-triggering solution, which the instructions do not cover. Not compatible with BMW 1-series (E81\/E82\/E86\/E87).\u003c\/p\u003e\u003ch3\u003eResources\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.radiumauto.com\/products\/fuel-hanger-surge-tank-bmw-e90-e91-e92-e93\" rel=\"noopener\"\u003eRadium Engineering product page\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.radiumauto.com\/cdn\/shop\/files\/19-0189.pdf?v=1\" rel=\"noopener\"\u003eRadium installation instructions (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eContact us if you are unsure of fitment or Size \u003ca href=\"https:\/\/www.boostfactory.ca\/pages\/contact\"\u003eHERE\u003c\/a\u003e\u003c\/p\u003e","brand":"Radium Engineering","offers":[{"title":"Default Title","offer_id":53338542965047,"sku":"20-1970","price":873.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0862\/6920\/files\/20-1970.jpg?v=1792037400","url":"https:\/\/www.boostfactory.ca\/products\/radium-engineering-fuel-hanger-surge-tank-fhst-ra-bmw-e90-e91-e92-e93-n54-n55-walbro-gss342-aem-50-1200-20-1970","provider":"Boost Factory","version":"1.0","type":"link"}