Ummm - can you tell us a little more? Like how old is the battery! When did this start? We're there any other issues before? How often do you drive - and the distances.

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2008 E61/Monaco Blue/Natural Brown/Premium/Sport/Logic 7/Sirius/Escort 9500ci, Conti DWS. Build Date 1/08. HPFP replaced 6/10 and 4/11 Fuel Injectors replaced 3/11. Battery replaced 5/11 (warranty), sunroof seal replaced 10/11 free under SIB 540409. Pads and rotors replaced 11/11 under maintenance. Carbon buidlup on valves cleaned under maintenance 11/11. 59K miles. Original owner. BMWCCA Member. Route 66 Easy Street Warranty.