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      08-26-2011, 08:04 PM   #14
BMW86
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Drives: RS3 Sedan / Macan S
Join Date: Jul 2008
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Quote:
Originally Posted by x5mad View Post
It is definately because of low battery. This happens on my x5 if the battery is low. The ecu shuts off all unecessary peripherals so as to preserve the battery so that the car will start. It has an algorithim based on highest priority being able to start the car and so it will preserve as much power as possible by shutting off various modules.

Before you kill the battery it is advisable you hook it up to a charger at least overnight.
That makes sense. Wouldn't it be better if the battery completely died and replaced rather than charging it? How long does charging prolong the life of the battery for? I'm still under warranty and would prefer BMW to replace it altogether.
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