hi frens,need some help here, last time my e39 has vibration problem n when its vibrate feels underpower during take off. so one of our sifu here said maybe bcoz of my ccv, so ive open my ccv n found that one of my hose is broken. so here i would like to know how to check whether my ccv is still can use or not? issit better for me to change the hose only or together with ccv. ive been quoted from inner power the ccv price is rm200, 3 hoses (theres 5 hoses but i only oder 3) Rm 285 ( 2 ori n 1 not ori) issit a good price or not..thanks guys in advance for helping me out...