The 2003 BMW 540i has 2 recalls, both involving the driver's frontal airbag inflator, which can rupture in a crash and send metal fragments into the cabin, risking serious injury or death.
One of these recalls applies specifically to vehicles where the original steering wheel was replaced with the optional sport steering wheel. In both cases, the concern is the same: rather than deploying normally, the inflator can burst and scatter metal shards toward the driver and other 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.
