Thread: what is this??
View Single Post
      12-07-2012, 06:32 PM   #4
Dark_Knight_335
Came to the N55 Darkside
Dark_Knight_335's Avatar
United_States
155
Rep
10,654
Posts

 
Drives: 2011 335 E93 M-Sport
Join Date: May 2010
Location: NY/NJ

iTrader: (27)

On any car- unless you're doing over 120 mph- it does actually nothing but look nice.
Even then, gains are negligible IMO.