I have a conspiracy theory about the Pre-LCI versions. The E90 Pre-LCI's were higher and had a slightly narrower stance than the LCI models. I think it gives BMW something to improve which looks appealing, without costing too much.
Have you all seen this post
http://www.f30post.com/forums/showthread.php?p=12613689
That is what I call a near prefect wheel/wheel arch fit. Excellent photos!
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Current: 2017 F10 530D, M Sport Plus, Graphite Grey, 19", HK, ProNav, HUD, Digital Dash
Previous: 2014 F10 525D, M Sport Plus, Carbon Black, 19's, ProNav, HK
2013 F31 320D MSport, 2013 F30 320D MSport, E91 320D MSport, 2002 E46 320i Vert, 1998 Lotus Elise 111S