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Radium Engineering BMW E9x 3-Series (N54/N55) Fuel Surge Tank Regulated (Pump Not Included)

Radium Engineering · New

Radium Engineering BMW E9x 3-Series (N54/N55) Fuel Surge Tank Regulated (Pump Not Included)

MPN 20-1972 · Store SKU rad20-1972

$599.95
IN STOCK5 ready to ship

Supplier stock checked 11/8/2026, 6:01:40 AM UTC. Adding a part does not reserve it.

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Request a return within 30 calendar days after delivery. New parts must be unopened and unused.

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Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.

Product details

Drop-in billet fuel pump hanger for BMW E9x models and similar. Can hold up to two aftermarket fuel pumps. Collector box and built-in pressure regualtor included. Fuel pumps sold separately. Regulator can be bypassed for converting to a full return-style system with an engine bay mounted regulator. Compatible with the family of Walbro "450" fuel pumps. FHST RA, BMW E90/91/92/93, PUMPS NOT INCLUDED, WALBRO F90000267/274/285

Manufacturer fitment & guides

Check 20-1972 against the manufacturer’s application information below.

Part-specific notes

  • Not CARB approved. Destination and intended-use restrictions must be checked before sale.
  • Emissions acknowledgement required before purchase.
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