BSW does not provide it

I suggest that you start with identifying how many speakers do you have and what sizes then you can search for Alpine or Pioneer from the same size

As for the sub, you need to find a place for a small box like 12x12x6 inch ... if you have a place then you can do my setup in this thread http://www.xoutpost.com/bsws-mobile-e...-included.html

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BMW 1M 2012 - Current
Jeep Grand Cherokee Limited 2011 - Current
BMW E93 330i Convertible 2009 - Sold
BMW E46 320i 2004 - Sold
BMW X5 4.4i 2002 - Sold
VW Golf GTI 2000 - Sold
BMW 740i 1996 - Sold