CD changer won’t play

[serious7series]

I have a 2001 750iL with DSP and widescreen monitor. All the sudden I can’t select the CD changer mode. When I press the “mode“ button, instead of cycling between radio—tape—CD, it just a cycles radio—tape—radio—tape, completely skipping CD mode. I’ve checked all fuses. What would cause this? Thx.

[shogun]

moved to E38 forum

[MJeffC]

Did you do some work in the trunk?
Check the ibus connector at the CD changer. Perhaps it popped out.

[serious7series]

Did you do some work in the trunk?
Check the ibus connector at the CD changer. Perhaps it popped out.

No work in the trunk. But I did check all fuses in the trunk and any related fuses under the hood - all seem OK. I also checked the connectors at the CD changer.

[serious7series]

i still stumped. CD mode wont play. (I've been using a DICE mediabridge for years via my CD changer connection). Not sure what to do anymore.

[Frankie]

Try re-setting your connection by simply unplugging the power plug (3-pin connector) then re-connect. I also get this error sometimes, and this trick works for me.

[serious7series]

Try re-setting your connection by simply unplugging the power plug (3-pin connector) then re-connect. I also get this error sometimes, and this trick works for me.

Appreciate the tip, I will try that. Should the key be in the “on” position at all? Or should I also try disconnecting the battery, or a “battery nap” ?

[Frankie]

...Should the key be in the “on” position at all? Or should I also try disconnecting the battery, or a “battery nap” ?

Nope. Just cycle the 3-pin power plug.

[haydar alameen]

I have similar problem with 98 740 , I fixed it
It was a fuse in a small box underneath the cd changer , it was rusty .


Sent from my iPhone using Tapatalk

[serious7series]

Figured it out. Apparently the connector at the DICE mediabridge was loose. I even checked that by disconnecting/reconnecting before I even started this thread. Oh well.

[serious7series]

While I was in the trunk checking the connections, I noticed that one of the wires (yellow w/brown stripe) from the blue connector at the back of the DVD nav unit was cut. Intentionally cut, presumable by the PO. Is there anything that might explain this? I do know that the PO upgraded to MKIV widescreen.


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[ConvGeorge]

There was one wire I had to cut when I swapped to MKIV that was blocking audio due to a conflict between a MKII module that was eliminated when you go to MKIV. It was like the nav audio, I think.

Incidentally, my Mediabridge will occasionally disappear, usually comes back on a restart.