Great addition to a BM3 tune,
 
This will allow you to program from your Android or Apple phone using the APP.
 
Also allows datalogging, fault code clearing etc.
 
1 Series - F20 F21
2 Series - F22 F45 F46
3 Series - F30 F31
4 Series - F32 F33 F36
5 Series - F10 F11 F07
6 Series - F12 F13 F06
7 Series - F01 F02 F03
X Series - F15 F85 F16 F26 F25
Mini - F55 F56
M3 M4 - F8X
M2C - F87