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      11-26-2012, 06:34 PM   #8
Brigadier General
psmitty95's Avatar

Drives: 2009 E90 335i xDrive
Join Date: Jan 2012
Location: Greenwich, CT/ Dallas, TX

iTrader: (8)

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: Cobb V3 w/ Motiv Tune, VRSF DP/FMIC, ER CP, Roc-Euro DCI, SteveAZ LPFP & more
More Pictures: Build Thread /// Shop I use: Aci Dynamix 408AWHP/ 483AWTQ Uncorrected Mustang Dyno