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7 Series - E65 / E66 (2002 - 2008)
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  #1  
Old 01-28-2013, 03:55 PM
hellrazor1 hellrazor1 is offline
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Location: maryland
 
Join Date: Oct 2012
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Mein Auto: 2007 750Li
Low voltage fault??

What causes low voltage faults? i drive it about once or twice a week. do i need to drive it more? the battery is brand new!!

thanks
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  #2  
Old 01-29-2013, 01:08 PM
KaileSvick KaileSvick is offline
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Location: Tampa, FL
 
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Mein Auto: 2003 BMW 745Li
You could try throwing a trickle charger on it when not driving.
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Old 01-29-2013, 02:48 PM
stuartjohn24 stuartjohn24 is online now
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Location: Chippenham, Wiltshire, UK
 
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Mein Auto: BMW E65 745i
^ +1

I'm pretty sure BMW sell a trickle charger for this purpose.

There is a switch in the boot above the power module and fuse box, you can switch this over if you are not using it for long periods, this may help you. I understand it puts the car into a low power state to conserve battery power if you go on holiday. Im not sure if it will be that beneficial for you if you use it say twice a week. Give it a try.
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Old 01-30-2013, 07:54 PM
hellrazor1 hellrazor1 is offline
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thanks. i will try it.
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