BMW 1 Series F20 F21 Sliding Sunroof Sun Roof Frame Complete Glass 7266210 UK

BMW F20 F21 Sliding Sunroof is an original part from the Panoramic Roofs, Sunroofs, and Parts category, designed for the compact BMW 1 Series F20/F21 models. It is a functional solution that enhances driving comfort, cabin illumination, and the daily ergonomics of vehicle use.

Specifications and technical data

• SKU: 7266210
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7157447
• Substitutable numbers: 54107266210, 7266210, 7249801
• Category: Sunroofs & Parts

Intended Use and Technical Characteristics

The sliding sunroof for BMW F20/F21 is designed as a factory-fitted component, adhering to the manufacturer's standards for body rigidity and sealing. The construction allows for smooth operation of the glass or metal panel (depending on the vehicle's equipment version), with tilt and full sliding capabilities, ensuring convenient interior ventilation.

This part belongs to the Panoramic Roofs, Sunroofs, and Parts group, making it compatible with the factory-fitted guides, seals, and water drainage system in the BMW 1 Series F20/F21 body. Using an original construction minimizes the risk of leaks and improper fit with the roof lining.

Benefits of Using an Original BMW Sunroof

Choosing an original sliding sunroof for BMW F20/F21 offers primarily:

• Factory Fitment – maintaining the correct roof geometry and proper seal adhesion.
• Compatibility with Factory Mechanism – seamless integration with original guides, cassette, and drive.
• Stable Operating Parameters – predictable performance during opening, closing, and tilting of the panel.
• Visual Consistency – preserving the original roofline and the aesthetic characteristic of the BMW F20/F21.

Consequently, a correctly installed sunroof restores the full functionality of the factory-operated roof system, without the need for universal or adapted solutions.

Part Condition and Service Application

The offered sunroof is a used part, which translates to an economical repair option for the vehicle while maintaining the original BMW specifications. Such components are particularly useful for:

• Accident Repairs – replacement of a damaged panel or complete roof module.
• Leak Resolution – when the existing part is deformed or corroded.
• Restoring Full Functionality – in cases of seized guides or mechanical damage.

Using an original module reduces the time required for bodywork and fitting adjustments, as the dimensions and mounting points correspond to BMW's factory solutions.

Installation and Operational Guidelines

Installing a sliding sunroof in a BMW F20/F21 requires adherence to the manufacturer's service procedures, particularly:

• correct positioning of the cassette and guides relative to the roof panel,
• checking the water drainage channels at the cassette corners for blockages,
• adjusting the panel height relative to the roofline to prevent wind noise and leaks.

After installation, a functional test involving several open/close cycles is recommended, along with a leak check during intensive roof spraying. A correctly installed sunroof ensures comfortable operation and stable performance over a long period of use.

Related BMW Panoramic Roofs, Sunroofs, and Parts

If you are looking for other BMW Panoramic Roofs, Sunroofs, and Parts for your car, check out our dedicated category: BMW Panoramic Roofs, Sunroofs, and Parts. There you will find a wide selection of components designed for various models of this brand, making it easier to select the right part for your specific body version.

Technical Knowledge and Parts Selection

When selecting body and equipment components, it is beneficial to understand the structural differences between various model lines and drivetrain versions. Comparative materials on technical solutions used by major manufacturers can be helpful. More on the specifics of drivetrains and related components in premium cars can be found in the article: xDrive, 4Matic, quattro, or 4Motion – Comparison of AWD Systems from BMW, Mercedes, Audi, and VW.

Summary

The BMW F20 F21 Sliding Sunroof is a practical service solution for 1 Series owners looking to restore the functionality of their factory-operated roof system. Its original construction, precise fit for the F20/F21 body, and belonging to the Panoramic Roofs, Sunroofs, and Parts category make it a functional choice for body repairs and reconstructions.

To broaden your understanding of the structural differences between sports and standard versions of premium cars, including chassis and braking systems, it is worth consulting the material: Audi RS vs. Other Models – What Lies Under the Hood and Chassis?. This will help you better understand how individual components – including body parts – influence the vehicle's character.