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      01-12-2013, 01:58 AM   #2
First Lieutenant

Drives: 2006 330i E90
Join Date: Aug 2011
Location: So Cal

Posts: 343
iTrader: (0)

Battery or starter would be the main suspects. Have you changed your battery- if it has never been changed since 2006, then it is probably at the end of its life. If it doesn't turn at all, then starter would be suspect or the Integrated Battery Sensor (IBS)- the sensor in the battery compartment. You may try jumping the car- use the ports under the hood- not at the battery terminals directly.