J JetBlackZ Member Chicago Mar 15, 2009 #1 I need to replace my stock DSP amp for a 2003 Z4 with premium sound. If you have one, or know where to get one for less than the dealer is asking please let me know.
I need to replace my stock DSP amp for a 2003 Z4 with premium sound. If you have one, or know where to get one for less than the dealer is asking please let me know.
