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7 Series - E65 / E66 (2002 - 2008)
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Old 10-05-2012, 08:59 PM
markandersonus markandersonus is offline
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Location: Chicago
 
Join Date: Feb 2007
Posts: 41
Mein Auto: 2005 745i
CA Key Not working after battery change

Hi All

Have a 2004 745i. Some months ago, I started gettign discharged messages on my key and had to be close to car to unlock. I changed the battery and the key stopped working (all 4 buttons). Of course, I put it in a drawer and used second key and that now says discharged. I'm reluctant to take the battery out of the 2nd one with the other one not working. Both are in very good condition and battery contacts look OK

Anyone got any ideas?

Regards

Mark

Last edited by markandersonus; 10-05-2012 at 09:08 PM.
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