View Single Post
      12-30-2014, 04:14 AM   #37
JOHNBMWM5
Live for today tomorrow never comes
JOHNBMWM5's Avatar
United Kingdom
2000
Rep
9,502
Posts

Drives: 2023 LCI Marina Bay Blue/ Smok
Join Date: Jan 2008
Location: UK

iTrader: (0)

Quote:
Originally Posted by (H) View Post
Sounds like a great idea, I am considering doing it as well. But can somebody actually enlighten me as to the original purpose of these valves. Why are they there in the first place? Depending on that answer, a decision will be much easier.

Thanks so much for your insights.

#H
Purely noise only, the valves open at 3.5K Rpm anyway in sport or sport+, keeping them open makes the sound so much better and no drone.
__________________
Live for now, life is too short.
2023 LCI M5 Marina Bay Blue/ Smoked White Leather, the very last of the F90 M5.
Appreciate 0