ID: #21V176000
MFR: BMW of North America, LLC
Component
AIR BAGS:SIDE/WINDOW:THORAX
What Happened
The head-thorax air bag in your 430i or M440i 4 Series Convertible is designed to protect you in a side collision. In some cases, it might not deploy correctly.
Risk if Unfixed
If the air bag doesn't work right, it could increase the risk of injury in a crash. This is a serious issue, and we want to make sure you're protected.
Free Fix
Your BMW dealer will update the air bag system's software to ensure it works as intended – and this repair is free. You should schedule the update as soon as possible.