Shopping for BMW 335i Blow Off Valve Kits? We have sales on BMW 335i Charge Pipes. The BMW 335i Charge Pipes have options for BOV Kits. There are also BMW 335i N54 Charge Pipes available that utilize the stock Diverter Valve system. The choice is yours to choose a BOV or DV for your BMW 335i N54. The difference between choose a BMW 335i Charge Pipe with a BOV and DV is purely based on sound and looks. At the end of the day all 2007, 2008, 2009 and 2010 BMW 335i N54 Charge Pipes should be upgraded as the stock BMW 335i Charge Pipe is prone to failure. Browse our selection of BMW 335i N54 Charge Pipes from Evolution Racewerks, ETS, Active Autowerke and more!