My car is shutting down and the remote is barely opening the door. on 2006 BMW 750i

I have changed the battery. It starts when I push the start button, but it shuts down when it is parked

by in Mount Pleasant, SC on November 19, 2012
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2 answers
ANSWER by , November 19, 2012
have battery connections checked...
ANSWER by , November 19, 2012
is the alternator working properly?