I would call this just as much of a win for the M135....
Those numbers are very close. Considering the price gap, the fact that it wasn't too easy to get a 1M, and the more functional M135, I give the M135 a lot of credit.
Past BMWs: 2009 E93 335i -2010 E60 535i -2008 E60 M5 - 2013 M3 - 2008 E64 M6
Current BMWs:2015 M5 On Order July ED - 2014 F30 320i