65 77 016 Removing and installing/replacing airbag control unit

WARNING: This page is about a different car, the 2010 BMW M3, 2009 BMW M3, and 2008 BMW M3. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT: Read and comply with notes on protection against electrostatic damage (ESD protection) . See61 35 ... NOTES ON ESD PROTECTION (ELECTRO STATIC DISCHARGE) .

WARNING: Note airbag safety instructions!
Incorrect handling can activate airbag and cause injury.

Necessary preliminary tasks:

Disconnect battery negative lead and cover. See 61 20 900 DISCONNECTING AND CONNECTING BATTERY NEGATIVE LEAD .
Remove storage compartment . See 51 16 200 REMOVING AND INSTALLING STORAGE COMPARTMENT .

If necessary, remove foam cover from airbag control unit.

Disconnect plug connection (1).

Release screw (2) and nuts (3).

Tightening torque 65 77 1AZ , see 65 77 AIRBAG TRIGGERING CONTROL .

Installation:

Before screwing down airbag control unit (4), make sure negative lead (5) is resting on associated threaded pin.

Remove airbag control unit (4) in direction of arrow.

Fig 1: Removing Airbag Control Unit

Courtesy of BMW OF NORTH AMERICA, INC.

Replacement:

Carry out programming/coding .