BMW F series airbag control module
ACSM4B
Suits many f series car
1,2,3,4 series cars
F20 F21 F22 F23 F87 M2
F30 F31 F32 F33 F34 F36 F80 F82 F83 M3 M4
Works as it should
P/N - 6826983
Cheek part number and compare first
CODING REQUIRED
Please check all pictures first
As picture