Turbosmart Blow Off BMW 135I 335I Z4 Kompact Plumb Back Kit Morgan 3L V6 Fuel Injection -

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Turbosmart Blow Off BMW 135I 335I Z4 Kompact Plumb Back Kit Morgan 3L V6 Fuel Injection -Full recirculating BOV. The Plumb Back system recirculates all excess pressure back into the intake system. Great for enthusiasts not wanting to be noticed but wanting the performance and reliability benefits of a quality BOV. The standard blow off valves on these cars are made of plastic, unlike the highly durable machined billet construction of the Kompact. The standard valves are often not up to the task of eliminating damaging compressor surge,