BMW 5 Series E39 Rear Left N/S Door Weatherstrip Chest Strip Black 8159103

BMW 5 Series E39 Rear Left N/S Door Weatherstrip Chest Strip Black is a precisely fitted, original body component from the Doors and door panels category, designed for installation on the rear left side of the vehicle. The black, discreet profile ensures an aesthetic finish for the door edge and provides a stable seal at the contact point between the door and the body, which translates into acoustic comfort and protection of the interior against external factors. This is a practical solution for users who want to restore the factory fit and seal of the doors in their BMW.

Specifications and technical data

• SKU: 8159103
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8159103
• Substitutable numbers: 8159103, 51228159103, AS
• Location on the vehicle: Rear, Left
• Color: Black
• Category: Doors & Door Skins

Purpose and fitment for the BMW 5 Series E39

The presented weatherstrip has been designed specifically for the rear left side of the BMW 5 Series E39 body, ensuring it maintains the correct shape, profile, and rigidity along its entire length. The placement on the vehicle is clearly defined, which facilitates the selection of the correct component when replacing a worn or damaged door seal.

The black color is consistent with the factory finish of most E39 models, allowing the component to integrate harmoniously with the body line without requiring additional visual modifications. Original BMW branding ensures the maintenance of proper geometry, which is important for correct door closing and even pressure around the entire perimeter.

Sealing function and body protection

The rear left door weatherstrip performs several key operational functions:

• limits the penetration of water and moisture into the vehicle interior,
• reduces wind noise while driving,
• stabilizes the door edge relative to the body frame,
• protects painted surfaces against friction and micro-damage.

Thanks to its properly selected hardness and profile, the component supports the maintenance of acoustic comfort in the cabin and helps reduce the risk of corrosion in critical areas where the door meets the body.

Visual and installation characteristics

The black shade of the weatherstrip is neutral and universal, allowing for an aesthetic match with various body and interior color configurations. The smooth, uniform surface makes it easy to keep clean – dirt can be removed with standard products intended for the care of rubber components.

The component is prepared for installation in factory mounting points, which allows for maintaining the original line of adhesion to the door and frame. Used condition means that the part comes from dismantling, which is a beneficial solution for those looking for original components at a reasonable price, while maintaining compatibility with the BMW body structure.

Application in body and door zone repairs

Replacing the rear left door weatherstrip is recommended in situations where the existing element shows cracks, permanent deformation, or loss of elasticity. Restoring proper sealing is important both for driving comfort and for long-term protection of sills, pillars, and lower door edges against moisture.

If you are planning a comprehensive repair or upgrade of the door zone in your BMW and need other components from the same group, such as panels, reinforcements, or additional strips, check the available parts in the BMW Doors and door panels category.

Support with selection by OEM numbers

The selection of the correct door weatherstrip for a specific version of the BMW 5 Series E39 should always be confirmed based on the OEM number and vehicle data. To minimize the risk of error when purchasing online and to better understand the principles of verifying component compatibility, the following practical guide will be helpful: Risk-free online parts shopping – 5 proven ways to verify component compatibility using OEM numbers and paint codes.