mp3 not playing

Hi all. My Business CD player is giving me issues when trying to play a CD with MP3s on it. At times it works and other times fails on the same CD. So far this does not seem to happen with a non MP3 CD. Anyone have any words of wisdom?

Does the cd player in 03 X5 play MP3s? Or do I need to continue to convert to the old format to burn my cd's? HELP :o)

I recently purchased an used 550i and was trying to play MP3s. I found out that some of them played perfectly some of them just skipped. I tried looking it on my computer to find a difference but could not find any in the bit rate or the Mhz. Could someone tell me what are the specifications...