Originally Posted by wayman519
For one, do not judge the quality of your sound system with your ipod connected. Chances are your ipod has low quality MP3 or aac. Then theres the issue of amplifying the audio from a crappy ipod headphone jack to a BMW sound system. First test the system with a music CD - > one that has been bought or cloned from an original bought music CD. Do not burn an audio CD unless you are burning lossless music files like FLAC. You can also use the USB port on the car to run your music files.
I'm using the same ipod setup as I used in the old car and their is a difference. The sound was phenomenal with regular ipod setup in premium sound system in last car. I will try out a music cd though.