The 2006 BMW 330xi has 5 recalls, the most serious being two separate fire risks and a driver's airbag inflator that can explode and send metal fragments into the cabin.
The fire concerns involve the HVAC wiring and the positive crankcase ventilation valve heater, both of which can overheat and ignite even when the vehicle is parked and unattended. The airbag situation covers two related issues: the driver's frontal airbag inflator can rupture during deployment, and on vehicles where the original steering wheel was replaced with a sport or M-sport wheel, the replacement inflator carries the same explosion risk. Prior repair attempts did not fully resolve the inflator issue, which is why multiple recall campaigns address it. On the passenger side, vehicles equipped with the Sport Seat option may have a faulty passenger seat sensor that fails to detect an occupant correctly, causing the front passenger airbag to be deactivated in a crash.
At a glance
What can fail
The driver's air bag inflator in certain replacement sport or M-sport steering wheels can explode when the air bag deploys.
What the fix does
Dealers will inspect and replace the driver's air bag module 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 driver frontal air bag inflator may explode due to chemical breakdown after prolonged exposure to humidity, heat, and temperature changes.
What the fix does
Replace the driver air bag inflator. On X5 and X6 models, only the inflator is replaced. Repair is free.
Summarized — see the official notice for exact wording, dates, and contacts.
At a glance
What can fail
The heater for the positive crankcase ventilation valve may short circuit, potentially causing it to malfunction.
What the fix does
Dealers will replace the PCV valve heater at no cost to you.
Summarized — see the official notice for exact wording, dates, and contacts.
At a glance
What can fail
The wiring and electrical connectors that control airflow in the heating and air conditioning system may overheat.
What the fix does
Dealers will replace the wiring and electrical connectors at no cost.
Summarized — see the official notice for exact wording, dates, and contacts.
At a glance
What can fail
The front passenger seat sensor mat that controls air bag deployment can develop cracks from wear, potentially causing the air bag system to fail in a crash.
What the fix does
Dealers will repair or replace the occupant detection mat at no cost to prevent cracking and restore proper air bag function.
Summarized — see the official notice for exact wording, dates, and contacts.
