| Message: | | Dennis-
You are not alone. I have a 2002 M5 with the Nav system and changer in the back. My system is NOT MODIFIED whatsoever and on a rainy day just a few days ago, my system went nuts just as you described. I can attest that the volume control worked, but that was about it. I thought the machine was going to burn out the motor that opens the face for the tape deck.
Also, my system also sometimes turns off volume after about 40 seconds, but that is a completely different problem that can be addressed by a simple cycle reset (turning the car off and then back on). According to this site, there is a service bulleting that fixes the 40 second issue (bulletin 65 03 02).
However, back to the possessed head unit. I have heard that sometimes moisture can cause these issues, and both your car and mine had issues on "wet" days. The problems have not persisted since two days ago, but a simple recycle of the system did not help. I have also heard that some electrical glitches are due to a low voltage in the battery. I'm going to check mine soon to see if that is the culpret. Frankly, I think its the moisture issue.
Has anyone else had this issue with their system before? Does this mean the head unit is on its last legs?
-Seth
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