Excellent.....web site doesnt show what's included for the "Base Audio" system Upgrade...can you add some details?

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2011 X35d - Platinum Grey/Black/Bamboo
Premium, Convenience, Technology, Rear Climate, ipod/sat - 1st Time BMW Owner

2006 Dodge 2500 Diesel (7500lbs and 13.4 Sec Qtr Mile)
2010 KTM 530 & 300