The 2002 BMW 540i has two recalls, both involving the driver's frontal airbag inflator, which can rupture in a crash and send metal fragments into the cabin, causing serious injury or death.
One recall applies broadly to certain vehicles of this model year, while the other specifically affects vehicles where the original steering wheel was replaced with the optional sports steering wheel. In both cases the hazard is the same: the inflator can explode rather than deploy cleanly, turning the airbag housing into a source of shrapnel directed at the driver and any nearby occupants.
At a glance
What can fail
The sports steering wheel air bag inflator may explode due to propellant breaking down after prolonged exposure to humidity, heat, and temperature changes.
What the fix does
Dealers will inspect for the affected sports steering wheel and replace the air bag module if needed, at no cost.
Summarized — see the official notice for exact wording, dates, and contacts.
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At a glance
What can fail
The dual-stage driver front air bag can allow moisture inside. Over time, moisture can cause the inflator to rupture.
What the fix does
Dealers will replace the front driver air bag module at no cost to you.
Summarized — see the official notice for exact wording, dates, and contacts.
