View Single Post
      04-09-2012, 08:16 PM   #22
JimD
Brigadier General
JimD's Avatar
368
Rep
3,547
Posts

Drives: 128i convertible
Join Date: Apr 2009
Location: Lexington, SC

iTrader: (0)

I will say again, there is a difference before the car is warmed up and no difference afterward. I mostly measured at low rpm but I don't think it matters. If you do not believe me, find a sound meter and measure your car. You will find the exhaust becomes quieter as it warms up.

Jim
__________________
128i Convertible, MT, Alpine White, Black Top, Taupe Leatherette, Walnut, Sport
Ordered 5/22/09, Completed 6/4/09, At Port 6/9/09, On the Georgia Highway 6/13/09, Ship Arrived Charleston 6/24/09 at 10pm, PCD 7/21/09
Appreciate 0