I don't think there is any software upgrade available for any 2012 or 2013 135i except for the BMW PPK for the time being. Could be wrong about procede, though.
E82 '13 135is
- Space Gray/Coral Red, 6 MT,
Heated Seats, 50% tint, clear bra, BMW Perf. Grilles, BMW Perf. CF Diffuser - #180/586