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      11-26-2012, 05:34 PM   #8
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Drives: 2009 E90 335i xDrive
Join Date: Jan 2012
Location: Greenwich, CT/ Dallas, TX

Posts: 3,609
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I would say take it out when you go to the dealer just to be safe. After a few more times installing and uninstalling it you'll be able to get it all done with no instructions and in 15 minutes. My first install also took around 2.5 hours and I followed the video and printed instructions. I can now do it in 10-15 minutes max including the USB install into the glove box
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E90 335i xDrive 6spd, Nav, Prem, Cold Weather, & Sports package - Msport Conversion
Mods: FBO + Meth JB4 ISO, BB flash, VRSF DP/FMIC, ER CP, Stett, SteveAZ LPFP & more
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