BMW 1 F20 Rear Left Door N/S Liquid Blue Metallic - B40

Listing details and visual condition of the part

Possible scratches and paint chips – condition as shown in the product photos.

The offer applies to the bare door – without handle, window, lock, trims, or any other accessories.

There is an option to purchase a complete door for an additional fee of 80 GBP.

BMW 1 F20 Rear Left Door N/S Liquid Blue Metallic - B40 is an original body component from the Doors and door panels category, designed for precise installation into factory mounting points. This used component ensures the maintenance of proper body geometry while allowing for an economical and technically sound repair of the side body section.

Specifications and technical data

• SKU: 7284515-LBL
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7284515
• Substitutable numbers: 41527284515, 7284515, BG
• Weight: 150
• Location on the vehicle: Rear, Left
• Color: Liquid Blue Metallic - B40
• Category: Doors & Door Skins

Purpose and fitment for BMW 1 F20

The presented item is a complete rear left door designed for the BMW 1 Series F20 body, mounted on the passenger side for left-hand drive versions. The construction is based on the original BMW design, ensuring that the correct mounting points for hinges, locks, windows, and seals are preserved, which facilitates installation and reduces the need for additional bodywork modifications.

The original door geometry supports proper alignment with the rear fender, rocker panel, and pillar, which is important for both aesthetics and interior sealing and acoustics. This solution is particularly beneficial for accident repairs where accurate reproduction of body lines is essential.

Liquid Blue Metallic B40 color and paint benefits

The door is finished in the factory Liquid Blue Metallic B40 color, characteristic of many BMW 1 Series F20 configurations. The metallic paint coating provides an attractive, dynamic look to the body and complements both chrome and black styling accessories well.

For body and paint shops, it is significant that the applied shade often allows for limiting paint work to blending adjacent elements, rather than fully repainting the entire side of the vehicle. This translates into shorter repair times and a more predictable visual result, while maintaining color consistency with the rest of the bodywork.

Structural function and performance parameters

The rear left door plays a key role in the side body structure, influencing:

• side rigidity and maintenance of the rocker line,
• proper window guidance and interaction with seals,
• protection of rear seat passengers in daily use.

The element is designed as an integral part of the BMW F20 body system, which helps maintain factory assembly clearances and ensures proper door closing after correct adjustment of hinges and locks. The specific component weight is adapted to factory lock actuators and window lifting mechanisms, which is important for the durability of the entire system.

Condition, origin, and use in repairs

The door comes from dismantling and is offered as a used original BMW component. This type of component is particularly valued in professional service centers because it allows for maintaining material and structural compatibility with the rest of the body, while reducing costs compared to new parts.

This solution is suitable for:

• accident repairs of the side body section,
• replacing corroded or mechanically damaged doors,
• restoring the vehicle to a factory-like state after local body repairs.

BMW Doors and door panels – expansion and modernization

If you are planning a comprehensive repair or modernization of the side body area in your BMW and need other elements from the same group, such as skins, outer panels, or additional reinforcements, check the available parts in the BMW Doors and door panels category.

Technical support and expertise

When selecting body components and planning mechanical modifications, it is worth using reliable sources of knowledge. If you are interested in issues related to safely increasing performance and making informed choices when selecting used components, check out the article 2.5 TFSI DAZA – how to safely increase power in an Audi RS3 by buying used turbochargers, which shows what to look for when purchasing used parts of technical significance.