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The Radium Engineering regulated fuel surge tank for BMW E9x 3-Series (N54/N55) is a drop-in billet pump hanger that holds up to two aftermarket pumps (pumps sold separately) and includes a collector box with a built-in pressure regulator. The regulator can be bypassed to convert to a full return system, and the unit is compatible with Walbro 450 family pumps, providing stable fuel delivery for high-demand applications.
Radium Engineering BMW E9x 3-Series (N54/N55) Fuel Surge Tank Regulated (Pump Not Included)
