View Single Post
Old 05-07-2011, 08:22 PM   #14 (permalink)
Peter7307
Master EcoModder
 
Join Date: Jan 2008
Location: Victoria , Australia.
Posts: 499
Thanks: 20
Thanked 46 Times in 33 Posts
The "dimples" used on the BMW's were solely there to reduce wind whistle between the mirror and the pillar.
By eliminating the noise there was probably some aero benefit as well but BMW never claimed any.

Peter.
  Reply With Quote