I am pretty sure this is not a feature in 1 Series anymore:
Examples:
Sorry about the large res...wanted you guys to be able to see what im talking about
It isn't in the heating section similar to picture 1 of the 2010 book either. BMW would not make a feature, and not document its usage in the manual...im' sure about it.
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Current: M2CS
Gone but not forgotten: Cayman GT4, M2C, 2011 135i, E83 X3 6MT, 2016 SO M3, 2012 335iS, 2010 135i and 2006 e90 325xi