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      10-17-2012, 05:57 PM   #8
Drives: 2011 E90 M3
Join Date: Jun 2010
Location: New Orleans, LA

Posts: 2,262
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Originally Posted by WW08M3vrom View Post
Would leaving my iPhone USB plugged in w/out phone wear down the battery?
No. Car goes to "sleep" approx. 15 minutes after shut down/doors locked and that cuts power to all outlets in the vehicle. USB cable or even an iPod will not draw any power sitting in the car. I have a dedicated iPod that stays in the center console and have never had an issue with the battery in either the M3 or my previous two E60's...
Current: 2011 Space Grey E90 M3, DCT, Comp. Pkg., Conv. Pkg., everything but Cold Weather Pkg!
Gone: 2008 550, Space Grey, Sports Package, Sport Auto Transmission.
Sold: 2004 545i (U.S.), Steptronic, Silver Gray.
kscarrol is offline   United_States
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