Safety & assistance

Airbag module

Provides a rapidly deployed cushion in certain collisions.

Where it sits

In the steering wheel, dashboard, seats or body according to design.

How it works

A restraint controller evaluates crash signals and can trigger specified modules when its conditions are met.

Think of it as

A carefully timed emergency cushion.

Symptoms when it fails

A restraint warning can involve connectors, sensors or supply as well as a module.

Lifespan

Inspect and service using model-specific guidance, especially after a collision; warning lights require diagnosis.

Repair cost

Calibration, matched modules and post-collision work may dominate cost. An illuminated warning does not identify a replaceable part.

The BMW angle

BMW airbag equipment and replacement instructions are specific to the vehicle and seating system.

Used in

BMW safety systems according to market, model year and option package.

Sources
Same system

Safety & assistance