BMW X3 Owners Manual: Functional readiness of the airbag system
When the ignition is reel on,
the warning
lamp in the instrument cluster lights
up briefly and thereby indicates the operational
readiness of the entire airbag system
and the belt tensioner.
Airbag system malfunctioning
- Warning lamp does not come on when the ignition is turned on.
- The warning lamp lights up continuously.
In case of a malfunction have airbag system checked immediately.
In case of a malfunction have airbag system checked immediately; otherwise, there is a risk that the system does not function as expected in case of a severe accident.
Protective action
Airbags are not triggered in every impact situation,
e.g., in less severe accidents or rear-end
collisions.
Information on how to ensure the optima ...
Automatic deactivation of the front-seat
passenger airbags
The system reads if the front passenger seat is
occupied by measuring the human body's resistance.
Front, knee and side airbag on the front passen ...
Other materials:
BMW X3 Service & Repair Manual > Electrical: Controller
REPLACING VOLTAGE REGULATOR
Necessary preliminary tasks:
Switch off ignition
Disconnect battery negative lead
Notes on removing and installing electronic control units.
Remove alternator
Bosch:
Release protective caps (1).
Bosch:
Release screw (1) and nuts (2), remove cover.
B ...