I'm using hks ssqv bov for my E9 but wondering that the bov is so "light" to releasing the pressure even with a small rev. I have had an experience riding my friend's E7 using Greddy bov and spotted d...
Hi, all brader n shifu...
Yesterday while I drove my car suddenly the car can't rev over 4000 rpm. (If I press the padle the rev can't go up and the engine just bbrrrrp...)