BMW 328i Blow Off Valves

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	Forge Motorsport Atmospheric Valve BMW 328i F30 12-16  Model Number: FMDVN20A   View Price This Blow Off, or Dump valve, is for the BMW N20 2.0 Turbo engines that have the electronically controlled bypass valve. It is recommended for any vehicle where the boost pressure has been increased by an ECU software upgrade and for unmodified vehicles operating in warmer climates, as a solution to the many failures that have occurred, where the original rubber diaphragm splits, which causes a loss of boost pressure. Unfortunately the failure doesn't always result in a check engine light as the...