Shop BMW 550i GT xDrive Curtain Air Bag (Left). 5 Series; w/GT Models; Left. 5 Series; w/GT; Left. 550i - OEM BMW Part # 72129138021 (72-12-9-138-021)

Head. Curtain. Air. Bag. Inflator.
The Air Bag Inflator module mounted to The roof line area of a vehicle.

Curtain Air Bag

Fits 530i, 535i GT, 535i GT xDrive, 540i, 550i, 550i GT, 550i GT xDrive

5 Series; w/GT Models; Left. 5 Series; w/GT; Left. 550i; w/GT; Left. AIR BAGS.
Air Bag Inflator Module - Repair or Replace
A very specific set of circumstances may require the replacement of your air bag inflator. If these apply to you, it's best for you and your to have a factory trained technician replace your air bag inflator module.