Need Help, 2014 Rex using bimmercode.

[flipnotize21]

im new to the BMW world, purchased my used i3 last month a 2014 Rex 108k miles with 15.6kwh left. previous owner already moded the Hold SOC and some, my problem is, i bought Veepeak OBDCheck BLE+ Bluetooth 4.0 OBD II Scanner and Bimmercode app when I'm done doing the changes i don't see the "code" button anywhere??? been trying for hours now, it reads it, i see everything but no "coding" or "code" button like everyone has been saying...... thanks in advance.