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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > AUDIO/VIDEO + BLUETOOTH + Electronics/Alarm/Software > Whats wrong w/ my radio? Can't use dial or button to cycle to FM/AM. Help!



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      02-07-2012, 01:47 PM   #1
STC
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Whats wrong w/ my radio? Can't use dial or button to cycle to FM/AM. Help!

This AM when I started my car I noticed that my radio was on the AUX setting. Thought it was weird since I didnt use my iPod last night.

I noticed that I can not use my steering wheel button or the iDrive dial to cycle to FM and AM. It only allows me to be go to CD and AUX.



Was there a setting I messed w/ that caused this? I have no idea how to fix it.



Now I can only get to the FM and AM by pushing the FM/AM button on the radio itself.



Pls help!
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      02-07-2012, 03:22 PM   #2
JimVR4
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The block diagram of the audio system shows the Steering wheel control and iDrive control connect to the CCC (Car Communication Computer) through the K-CAN bus. I believe the AM/FM button is directly connected so the issue could be something with the K-CAN bus.
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      02-08-2012, 12:38 AM   #3
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My steering wheel button and iDrive dial works w/ FM and AM again. It just started working.
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