Side airbag, front

WARNING: This page is about a different car, the 2008 BMW Alpina and 2007 BMW Alpina. However, it is still accessible from the selected car via links, so may be relevant.

Expose plug connection of side airbag . See 51 41 000 REMOVING AND INSTALLING LEFT OR RIGHT FRONT DOOR TRIM PANEL .
Disconnect plug connection of corresponding side airbags. See 72 12 ... UNLOCKING/LOCKING AIRBAG PLUG CONNECTIONS .
Tie back disconnected cables and secure with cable strap (rattling noises)
Stick on warning signs (see below)
Documentation of customer consent and work in car's file
Entry in car's documents (Germany only)

Fig 1: Identifying Side Airbag, Front
Courtesy of BMW OF NORTH AMERICA, INC.