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      11-16-2012, 11:35 AM   #4
ctuna
Brigadier General
44

 
Drives: 325xi 06 wagon MT
Join Date: Jan 2010
Location: Santa Cruz, Ca


Posts: 4,288
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Battery could be low

Battery could be low
The IBS system has the ability to shut stuff down if the battery is low to keep the car going.


google e90 electrical for the electrical pdf for and more detailed explanation.

Also I have heard of the amp fan going out.

http://www.bmwgm5.com/Logic7_6941681.htm