BMW F06 Head Air Module Roof Curtain Left N/S 7273435

BMW F06 Head Air Module Roof Curtain Left N/S is an original side safety system component designed for installation on the left side of the vehicle body. As part of the Headliner and parts group, the curtain works with factory sensors and the control unit, ensuring proper passenger protection during side impacts. Using an OEM component allows for a technically correct repair of the airbag system without interfering with the vehicle's structure.

Specifications and technical data

• SKU: 7273435
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7273435
• Substitutable numbers: 7273435, 72127273435
• Location on the vehicle: Left
• Category: Headliners & Parts

Purpose and function of the BMW F06 head airbag

The head airbag mounted in the headliner area on the left side is responsible for protecting the head and upper torso of the driver and passengers during side collisions and vehicle rollovers. This element is an integral part of the SRS system, working with:

• side and longitudinal acceleration sensors,
• the central airbag control unit,
• other front and side airbags.

Thanks to its factory geometry and proper profile, the curtain deploys along the entire left side of the cabin, creating a barrier between the passenger and the window as well as the structural elements of the body.

Construction and fitment to the BMW body

The BMW F06 head airbag has been designed specifically for the roof and side pillar architecture of this model, which ensures precise fitment to the headliner and factory mounting points. The construction includes:

• a gas module responsible for rapid inflation of the curtain,
• air chamber segments distributed along the window line,
• integrated brackets and guides for factory clips and screws.

Such a solution enables installation without bodywork or upholstery modifications, while maintaining the original routing of wiring harnesses and headliner elements.

Benefits of using an original head airbag

Using an original head airbag on the left side in the BMW F06 allows for maintaining the safety parameters intended by the manufacturer. Key advantages include:

• Compatibility with the factory SRS controller – proper communication and diagnostics within the airbag system.
• Correct deployment geometry – matched to the shape of the windows, pillars, and headliner.
• Consistency with other passive safety system components.

A used OEM element is also a reasonable compromise between repair costs and maintaining a high level of passenger protection, especially during comprehensive side-zone reconstruction after a collision.

Installation zone and service tips

The curtain is intended for installation on the left side of the vehicle, in the headliner space, along the A, B, and C pillars. During installation, pay attention to:

• correct routing of the curtain relative to the window frames,
• precise seating in the original mounting points,
• inspection of the electrical harness and SRS system connectors.

After installation, it is recommended to perform a computer diagnostic of the airbag system to confirm proper communication and the absence of errors in the controller.

If you are planning a comprehensive repair or upgrade of the headliner zone in your BMW and need other elements from the same group, such as covers, reinforcements, or additional mounts, check the available parts in the BMW Headliner and parts category.

Used airbag curtain and repair cost optimization

Choosing a used head airbag for the BMW F06 allows for significantly reducing repair costs while maintaining an OEM component. This solution is particularly beneficial for extensive side damage, when it is necessary to replace several safety system elements simultaneously. If you want to better understand how to reasonably use the secondary market when servicing your car and how to select second-hand parts, it is worth reading the guide: Smart Skoda servicing – why second-hand parts are the best choice for your wallet.