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The Radium Engineering fuel pressure regulator and microglass filter kit for 2001-2006 BMW E46 M3 replaces the stock bottom-of-tank filter/regulator. It uses a high-flow microglass filter and an adjustable regulator; all necessary fittings and hardware are included. E85 compatibility and serviceable filter media provide a durable direct-fit option for maintaining correct fuel pressure on E46 M3 models.
Radium Engineering 01-06 BMW E46 M3 Fuel Pressure Regulator & Fuel Filter Kit w/ Microglass Filter
