But, if you gotta leave it out, a short amount of time isn't going to hurt anything. Especially is you Zaino.
Current - 2014 F22 M235 - MT, CWP, Premium, Aluminum Hex/Black Gloss Trim.
Past BMWs: 2011 E82 135 - LBM, N55, DCT
2008 E82 135 - AW, N54, MT
2007 E92 328 - JB, N52, MT, ZSP (traded in for 135)
2007 E92 328 - JB, N52, MT (retired by a drunk driver)