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The Turbosmart Kompact EM Dual Port VR11 blow-off valve is a plug-and-play upgrade for BMW N55 applications such as the M2 and X4 M40i. It replaces the OEM valve without adapters, retaining OE control while minimizing leakage and improving thermal response. The dual-port design vents to atmosphere and back into the intake, and the unit features an integrated high‑temperature solenoid and billet construction.
Turbosmart BOV Kompact EM Dual Port VR11 - BMW N55 M2 & X4 M40i
