View Single Post
      09-28-2008, 09:40 PM   #15
Ronin13
First Lieutenant
Ronin13's Avatar
United_States
21
Rep
362
Posts

Drives: E92 M3, RRS Supercharged, S2K
Join Date: Jan 2008
Location: STL, MO

iTrader: (0)

As Pencil stated earlier in the thread, he observed a vacuum at the top vent under full engine load. So, it appears to serve a purpose to support top end CFM requirements.
Appreciate 0