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      12-12-2013, 01:43 PM   #31
Andy328i
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Drives: '08 328i Coupe
Join Date: Jul 2012
Location: NJ

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Quote:
Originally Posted by catcher22 View Post
I used it the other day and it's a nice feature. It was however below freezing outside and the fan was on medium/high when I got in the car.

How much battery does this thing really use? I'm afraid to use it too often because of battery life.

Just replaced the battery this year and don't want to have to replace it again for at least another 5 years.
I am guessing the only thing "on" would be the fan (blowing the residual heat from the motor). For the short time you use it, I can't see it draining too much from the battery.
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