BMW 5251 Service Manual page 960

721-12
Airbag System (SRS)
Head protection airbag (HPS)
4
Replacement of a head protection airbag (HPS) is an exten-
sive operation, including removal of the following:
Complete dashboard
Complete headliner
Windshield pillar (A-pillar) trim
Door pillar (B-pillar) trim
-
Before starting work on the HPS airbag, disconnect negative
(-) cable from battery and cover negative terminal with insu-
lating material.
Prior to disconnecting the battery, read the battery discon-
nection cautionsgiven in001 General Warnings and Cau-
tions.
Tightening torque
HPS airbag to body
11
Nm
(8
ft-lb)
HPS airbag mounting bracket
to
A
or B-pillar
HPS gas generator to
dashboard reinforcement
(M6
self-tapping screw)
2.5 Nm (22 in-lb)
4 N m
(35 in-lb)