BMW i3 I01 Door Weatherstrip B Pillar Seal Gasket Left N/S Black 7277059

BMW i3 I01 Door Weatherstrip B Pillar Seal Gasket Left N/S Black is a precisely profiled component from the Door seals category, designed for installation on the left side of the vehicle body. The black color ensures visual consistency with the factory finish, and the OEM BMW construction guarantees a proper fit to the B-pillar and adjacent door. It is a practical solution for users who want to restore proper sealing and acoustic comfort in their vehicle.

Specifications and technical data

• SKU: 7277059
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7277059
• Substitutable numbers: 51767277059, 7277059, 51764818239, 4818239, EM
• Location on the vehicle: Left
• Color: Black
• Category: Door Seals

Purpose and function of the B-pillar seal

The B-pillar seal in the BMW i3 I01 is responsible for a tight connection between the door edge and the body structure in the middle section of the vehicle. A properly selected component:

• limits the ingress of water and moisture into the interior,
• stabilizes the door contact line with the pillar,
• reduces wind noise while driving,
• helps maintain proper thermal comfort in the cabin.

Thanks to its dedicated shape, the seal works with factory mounting points, which helps maintain correct door geometry and the aesthetics of the side of the body.

Construction, color, and fit for the BMW i3 I01

The presented seal has been designed specifically for installation on the left side of the vehicle, on the B-pillar, which eliminates the need for any modifications or fitting of universal profiles. The black color is consistent with the typical BMW factory finish, allowing the component to blend harmoniously with other seals and body plastics.

The original BMW origin means maintaining the proper hardness and flexibility of the material, which is important for sealing over the long term. The seal works with factory door locks and hinges without negatively affecting their operation.

Condition, installation, and service application

The item is offered as a used part, which allows for an economical repair of the door area while maintaining the manufacturer's original specifications. This type of seal is particularly useful in situations where:

• the existing seal is cracked, deformed, or leaking,
• wind noise appears in the B-pillar area at higher speeds,
• traces of moisture are observed in the cabin near the sills or door panels.

Installation involves removing the old component and seating the new seal in the factory guides and mounting points. Following basic service procedures, the operation can be performed in a standard workshop specializing in bodywork and door systems.

Benefits of using an original BMW seal

Using a dedicated B-pillar seal in the BMW i3 I01 brings a number of practical benefits:

• Better cabin sealing – reduction of drafts and moisture ingress in the middle section of the body.
• Stable door operation – proper guidance of the door edge relative to the B-pillar, without excessive stress.
• Consistent side body line appearance – black profile matched to other sealing elements.
• Based on OEM specifications – maintaining manufacturer standards regarding shape, hardness, and mounting method.

For users who want to keep their vehicle in a condition close to factory, choosing an original seal is a technically safe and predictable solution in terms of the final result.

If you are planning a comprehensive repair or upgrade of the door area in your BMW and need other components from the same group, such as additional sealing profiles, edge seals, or elements adjacent to the door frame, check the available parts in the BMW door seals category.

For BMW model owners interested in a broader approach to service and upgrades, including turbocharging and charge air cooling systems, the Global Parts guide dedicated to the B58 unit may be helpful – you can find it in the article BMW B58 code – checklist before buying a turbocharger and intercooler for BMW 3 Series (G20).