Door Pillar BMW G30 G31 Finisher B Column Cover Rear Left N/S High Gloss 7390139

Door Pillar BMW G30 G31 Finisher B Column Cover Rear Left N/S High Gloss is an original body component from the Doors and door panels group, designed for installation in the rear left section of the vehicle body. It provides an aesthetic finish to the B-pillar, harmoniously blending the door line with other side body elements and highlighting the characteristic look of the BMW 5 Series G30/G31.

Specifications and technical data

• SKU: 7390139
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7390139
• Substitutable numbers: 7390139, 51357390139, KD
• Location on the vehicle: Rear, Left
• Category: Doors & Door Skins

Purpose and vehicle placement

The cover is specifically designed for installation on the rear left B-pillar, between the front and rear doors. This placement is crucial for:

• a visually consistent connection of the window and door lines,
• protecting the pillar structure from external factors,
• maintaining the factory look of the BMW side body section.

Thanks to the precise fit for this specific body zone, installation is straightforward, without the need for modifications or "forced" fitting.

Finish characteristics – high gloss

The surface of the cover is finished in high gloss, which allows it to maintain consistency with the factory style of the BMW G30/G31 side elements. This type of finish:

• emphasizes the window and door lines, creating an elegant, modern effect,
• complements chrome and painted body details well,
• facilitates easy cleaning with proper care.

The B-pillar cover in this visual variant is particularly valued for post-accident repairs and for maintaining the vehicle's original appearance.

Original origin and fit for BMW

The element comes from the BMW line, which means it adheres to factory design and quality standards. In practice, this translates into:

• precise fit with adjacent doors and seals,
• compatibility with factory mounting points,
• preservation of the original geometry of the side body section.

As a part from the Doors and door panels group, the cover supports maintaining the visual consistency of the entire side of the vehicle, which is important both for repairs and for restoring the car to its original specification.

Condition of the element and use in repairs

The B-pillar cover is offered as a used part, which allows for an economical yet technically correct repair of the side body zone. This type of component is particularly useful in situations where:

• the factory cover has been damaged or scratched,
• replacement of the element is necessary after body and paint repairs,
• you want to restore the vehicle to its original look after a collision.

Using an original, used part allows you to maintain visual consistency with other body elements, which is important for both aesthetics and the potential resale value of the vehicle.

Complementary BMW body elements

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

Technical support and knowledge about BMW parts

When planning broader service work on a BMW, it is worth using reliable sources of knowledge regarding typical faults and component selection. An example is an article describing the operation and repair of power units, which discusses, among other things, the cost-effectiveness of using original, used parts – more information can be found in the material BMW N47 timing chain – typical failure and repair using original BMW parts.