View Full Version : bmw 316 sound system - i like the sound in my 1999 316 but want to put a sub in?


steve m
10-23-2007, 02:17 AM
so is there any way of putting a sub in without changing the head unit, is there a pre-out for a sub/amp?
thanyou.

thesandstereo
10-23-2007, 02:33 AM
Line output converter wired into your rear speakers.
http://www.cardomain.com/item/STISALOC

or similar.