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The Radium Engineering fuel pressure regulator and stainless filter kit for 2001-2006 BMW E46 M3 installs in the factory filter/regulator location. It pairs Radium’s high-flow stainless filter with an adjustable fuel pressure regulator; all fittings and hardware are included. E85 compatibility and the adjustable regulator make it a direct, service-minded upgrade for E46 M3 fuel systems.
Radium Engineering 01-06 BMW E46 M3 Fuel Pressure Regulator & Fuel Filter Kit w/ Stainless Filter
