Question about 2006 BMW 3 Series
It shouldn't be a key problem as when the key in the past was starting the car an still in the ignition of coarse that charges the battery's at all times. Take it to BMW and get them to run a diagnostic test of the computer and electronics. Thats my guess but barrys solution makes sense and yo can google efanatics and join the BMW club and some one may be of further assistance. I forgot my password and cant ask anyone for codes definition and have copies in how to use the TV screen. It was 3 years ago but it may help someone else with a similar fault.
Posted on Feb 06, 2013
Unlock vehicle. Enter vehicle. Close driver's door. Switch ignition ON and OFF. Remove ignition key. Press and hold unlock button Fig. 2 . Press lock button Fig. 2  briefly 3 times within 10 seconds keeping unlock button  depressed. Release unlock button Fig. 2 . Central locking system locks and unlocks rapidly to indicate correct programming. Repeat above procedure if central locking system does not work.
NOTE: A maximum of 4 keys can be programmed. Carry out programming procedure for each key within 30 seconds.
Posted on Aug 30, 2010
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Posted on Jan 02, 2017
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