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Old 01-02-2013, 11:08 PM
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Expo BMW Expo BMW is offline
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Location: City of L.A.
 
Join Date: May 2008
Posts: 1,214
Mein Auto: E65,P71 Police Intercept.
You should have the dealer test the battery and charging system, something must be draining it or the alternator is not delivering enough current. I thought the battery was covered under factory warranty.

As a note, the AGM battery on my old E65 is more than 6 years and it still cranks even though it sits as long as three weeks sometimes.
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