BMW Wallbox Instructions For Use Manual page 18

6.2 Power settings
When it is delivered, the BMW Wallbox is set to a maximum charging current of 6 A.
The following settings apply to these versions:
61 90 5 A1E 1B1
Configuration
000
001
010
011
18
61 90 5 A1E 1B2
Max. rated current
0 A
6 A
10 A
12 A
61 90 5 A1E 1B4
Configuration
100
101
110
111
Max. rated current
16 A
20 A
24 A
32 A