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Discussion Starter · #5 ·
I posted this question in another thread. Rather than start a new thread, I thought I might also post it here.

How active should the BOV be? Lately I hear my BOV a lot. Like every couple minutes while driving on the expressway.
Are running with the OEM BOV? I don’t hear a thing. Last week I heard rumbling noise during acceleration, turned it was due to me took out the resonator. I put it back in, the noise is gone.
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