OneFastShop BMW F-Series N55 N20 Stage 2.5 LPFP upgrade kit, Walbro 535 in-tank fuel pump bucket assembly with outlet hose
BMW F30 F32 N55 N20 Stage 2.5 LPFP Walbro 535 fuel pump bucket, top hat and float, angled view
Top view of the BMW N55 N20 Stage 2.5 LPFP fuel pump flange and electrical connector
OneFastShop BMW F-Series N55 N20 Stage 2.5 LPFP upgrade kit, Walbro 535 in-tank fuel pump bucket assembly with outlet hose
BMW F30 F32 N55 N20 Stage 2.5 LPFP Walbro 535 fuel pump bucket, top hat and float, angled view
Top view of the BMW N55 N20 Stage 2.5 LPFP fuel pump flange and electrical connector

BMW F-Series N55 N20 Stage 2.5 LPFP Upgrade - Walbro 535 Fuel Pump - 650 WHP

OneFastShop SKU: N55STG25FP
Price
30% OFF
In Stock – Ready to Ship
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Upgrade your BMW F-Series N55 or N20 fuel system with the OneFastShop Stage 2.5 Low Pressure Fuel Pump (LPFP) assembly. This drop-in replacement swaps the restrictive OEM fuel bucket for a complete E85-compatible unit built around the high-output Walbro 535 (F90000295) pump - delivering the fuel volume needed to support up to 650 WHP on pump gas or 550 WHP on full E85. Direct replacement for BMW OEM part #16117243975, with plug-and-play installation and zero wiring modifications required.

Specifications

Part Number N55STG25FP
Pump Walbro 535 (F90000295)
OEM Replacement BMW #16117243975
Max Power Support 650 WHP (pump gas) / 550 WHP (E85)
Fuel Compatibility 91-93 octane, E85, ethanol blends, methanol injection
Installation Plug-and-play, no wiring required
Application Stage 2+ tunes, methanol injection, and ethanol blends

Fitment

Year Make Model Chassis Engine
2014-2016 BMW 228i / 228i xDrive F22 / F23 N20
2014-2016 BMW M235i / M235i xDrive F22 / F23 N55
2016-2018 BMW M2 F87 N55
2013-2016 BMW 320i / 320i xDrive F30 N20
2012-2016 BMW 328i / 328i xDrive F30 / F31 N20
2012-2015 BMW 335i / 335i xDrive F30 / F31 N55
2014-2016 BMW 328i GT xDrive F34 N20
2014-2016 BMW 335i GT xDrive F34 N55
2014-2016 BMW 428i / 428i xDrive (incl. Gran Coupe) F32 / F33 / F36 N20
2014-2016 BMW 435i / 435i xDrive (incl. Gran Coupe) F32 / F33 / F36 N55

What's in the Box

  • Complete fuel bucket assembly with Walbro 535 pump pre-installed
  • Top hat and float assembly
  • Walbro fuel filter
  • Fittings and O-ring

Read before you buy. These guides cover fitment, what to expect, and how to install.

Shipping

  • Orders placed before 3 PM EST typically ship the same business day. Larger items ship within 1 to 3 business days.
  • Standard, expedited, and overnight options at checkout.
  • Oversized items ship by freight and take longer.
  • Special order items follow a lead time we confirm with you individually before the order is committed.
  • Backordered items ship as soon as stock lands. Lead times are manufacturer estimates and can change. Contact us for current ETAs.
  • Need to cancel? Email us right away. Cancellations are not guaranteed once an order is in process. In-stock orders cancel free before they ship; a 6% fee applies only to confirmed backorders and special orders.
  • International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.

Returns

  • 30 days from delivery to request and ship back a return on new, uninstalled items in original packaging with all hardware.
  • Standard returns: 8% restocking fee on the item price before tax and shipping. Shipping is not refunded in either direction. All waived if the item is defective or we made the error.
  • Fitment guaranteed: select your vehicle above, or confirm fitment with us in writing before you order. If the part shows as a fit and it is wrong, the return is on us, even after installation. Otherwise, installed or used parts cannot be returned.
  • Final sale: special orders, coilovers, electronics, engine internals, turbochargers, superchargers and turbo kits, unless defective or we sent the wrong item.
  • Product images may be representative. The SKU and specifications in the listing are what ships.
  • Email us for return authorization before shipping anything back.

Full details: Shipping Policy · Returns & Refunds · Warranty
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