If you mean stock bov. Reach under from passenger side under the manifold. Tie a small ratchet with a string around your wrist. That way if you drop it you can get it. A mini ratchet worked great for me. But only from this side !!
I used a 10mm wrench and reached under the manifold from the left side with my left arm and under the intake with my right arm and just kept turning it little by little....later i bought a 10mm wratcheting wrench which OMG helped insanely...i did it in about 5 mins with the wratcheting wrench.