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Old 11-14-2012, 04:05 AM
vavet5308 vavet5308 is offline
Location: Mechanicsville, VA
Join Date: Dec 2005
Posts: 631
Mein Auto: 2002 525it
Do you have a voltmeter? It would be nice to see the battery voltage before, during, and after your attempted cranking.
I was first thinking a problem with the battery, but with your description of the flaky electronics, I wonder if the ignition switch is failing. It can cause some flaky behavior. It's fairly easy to replace.

Take a look at #2 in this picture. #6 is the lock cylinder where your key goes. The end of the lock cylinder meshes with the ignition switch.
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