This an IPOD I bought used. Everything else works fine. It syncs to my computer and plays my music but will not connect to the USB interface in my car. My wife's IPOD, which seems to be identical, works fine. Any ideas?

Can you check the iPod software version in iTunes summary page of both iPods? either 1.1.2, 2.01 or 2.0.4

There are a few post wrt BMW audio issues, but unfortunately no resolution, my suspicion is that it works on earlier iPod software.(ie vers 1.1.2 or earlier.

Thanks for the quick update.

Can you do theiPod Disk Diagnostic as posted earlier by tt2, it wont fix your problem but helps in troubleshooting, especially if your BMW audio is having problem writing the iPod.

Have a nice day!

Then my last suggestion is to Reset it, while connected to the BMW Audio.

1. Toggle the Hold switch, make sure you dont see the red mark when you do the next step
2. Reset the iPod -> Press Menu and Center button simultaneously for about 10 secs or till the Apple Logo comes ON
3. Then release the buttons
4. Select your preferred language.

Here is the Apple support Article on the 5Rs

http://www.apple.com/support/ipod/five_rs/classic/

Good Luck!

Glad to be able to try helping you.

Glad to hear that 🙂 and thanks for the update.

Can you share cable identification number with the community, as some tried OEM Y cables and still doesn't work, I assume you must connect the USB and 3.5 mm jack too.

Thanks again for the info.

Hi, I have exactly the same problem in my old 2005 645 and my brand new 2013 640 Gran Coupe and with two different iPod Classics; I have no issue with my iPhone. It's obviously the BMW firmware that is at fault.

Torsk, Thanks for sharing, will keep it noted, for future posts.

As jCox, mention in his post try the Adapter-Cable he is using.