BMW 3 Series E90 E90N Door Rear Left N/S Japanrot Japan Rot Red - 438

BMW 3 Series E90 E90N Door Rear Left N/S Japanrot Japan Rot Red is an original body component from the Doors and door panels category, designed for precise installation at factory mounting points. This used panel in the Japanrot – 438 shade allows for maintaining a consistent side profile of the body and aesthetic paint matching without the need for costly structural modifications. It is a practical solution for accident repairs or correcting operational damage in BMW 3 Series E90/E90N models.

Specifications and technical data

• SKU: 7203647-JR
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7203647
• Substitutable numbers: 41007203647, 7203647, 41527145365 41527152989 41004402513, 7145365, 7152989, 4402513
• Location on the vehicle: Rear, Left
• Color: Japanrot - 438
• Category: Doors & Door Skins

Purpose and fitment for BMW 3 Series E90/E90N

The component is designed as a rear left door for the BMW 3 Series E90/E90N sedan, maintaining factory geometry and mounting points. This allows for restoring the original side body rigidity and proper alignment of the gaps between the door, fender, and pillar. The original door construction ensures compatibility with factory hinges, locks, wiring harnesses, and seals, which facilitates the transfer of components from the old part.

Technical characteristics and Japanrot – 438 color

The door is manufactured as a steel body panel with reinforcing ribs, adapted for the installation of factory windows, guides, and lifting mechanisms. Vehicle placement: rear – left side allows for unambiguous identification of the part's position on the vehicle and avoids errors when selecting parts. The Japanrot – 438 color is a characteristic, intense BMW red, which makes it possible to limit the scope of painting to touch-ups and shade matching, rather than a full repaint of the entire panel.

Application in body repairs

The rear left door in Japanrot is particularly useful in situations where:

• replacement of a deformed or corroded door skin is necessary,
• damage exceeds the scope of cost-effective body repair,
• it is important to maintain factory crease lines and body fitment,
• reducing repair time by installing a complete door panel is a priority.

The used component allows for an economical restoration of the side body section while maintaining original BMW quality in the area of door construction.

Benefits of using original BMW doors

Using an original rear left door for the BMW 3 Series E90/E90N ensures:

• factory fitment to the body without the need for structural modifications,
• proper operation with the lock, hinges, and door checks,
• easier transfer of door interior equipment (upholstery, handles, wiring),
• a consistent look of the side body section thanks to the Japanrot – 438 color.

For body shops and individual users, this means a stable repair process, predictable assembly time, and reduced risk of issues with door adjustment after the work is completed.

Expanding repairs in the BMW door area

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 skins, frames, or additional panels, check out the available parts in the BMW Doors and door panels category.

Additional technical information and user knowledge

When replacing a door in a BMW 3 Series E90/E90N, it is worth paying attention to the correct setting of hinges, lock adjustment, and seal tightness to avoid rattling, leaks, and wind noise while driving. In the case of vehicles with increased power or modified drivetrains, parallel upgrades of other components, including the exhaust system, are common. If you are interested in the topic of selecting used exhaust components for BMW and other premium brands, check out the article Performance exhaust system: used manifolds and sports catalytic converters on the road, where you will find practical tips regarding the configuration and operation of such solutions.