View Single Post
      02-04-2012, 01:16 PM   #149
taibanl
Brigadier General
taibanl's Avatar
67
Rep
3,670
Posts

Drives: BMW
Join Date: Sep 2010
Location: NA

iTrader: (4)

The bsw stage i is a speaker upgrade. Nothing more. If you want to upgrade the base system you have more work to do. One of The cheapest would be the oem alpine upgrade