Intergal Audio will have a nice option for a F30 specific upgrade. I will have everything installed in less than a month as my car was used for measurements a couple of months ago.
E36/7: Dinan/RMS stage 2+ blower@11-16lbs of BOOST! 18" BBS LM's, too much more to list
F30: 6mt, SOLD
'06 Saab 9-5 wagon 5mt AERO+ TUNED