BMW E90 E91 Door Front Left N/S Montegoblau Montego Blue Metallic - A51

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 E90 E91 Door Front Left N/S Montegoblau Montego Blue Metallic - A51 is an original body component from the Doors and door panels group, designed for installation on the front left side of 3 Series models. The paint in the Montegoblau Metallic - A51 shade helps maintain color consistency of the bodywork and reduces the scope of additional paintwork. This is a solution for users who expect factory-fit and stable body geometry.

Specifications and technical data

• SKU: 7203643-MTB2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7203643
• Substitutable numbers: 41007203643, 7203643, 41517152685, 7152685
• Weight: 150
• Location on the vehicle: Front, Left
• Color: Montegoblau Metallic - A51
• Category: Doors & Door Skins

Purpose and fitment

The presented front left door is designed for installation on the front part of the body on the driver's side, in accordance with the factory design of the BMW E90/E91 series. Proper positioning on the vehicle ensures correct alignment with the fender, rocker panel, A-pillar, and roofline, which is important for both aesthetics and cabin sealing.

The component comes from the BMW production line, ensuring it maintains the correct geometry, hinge, lock, and seal mounting points, as well as compatibility with factory windows and fittings. This is particularly important for post-accident repairs, where precise recreation of factory gaps and panel clearances is essential.

Color Montegoblau Metallic - A51

The door is finished in Montegoblau Metallic - A51, characteristic of the BMW palette. The metallic paint provides an attractive, deep shade of blue that harmonizes well with the 3 Series body line. For many users, this means the possibility of limiting paintwork to local touch-ups and polishing, rather than full repainting of the component.

Choosing a door in the same paint code facilitates maintaining a uniform vehicle appearance after repair, which is significant for both visual reasons and potential future resale of the car.

Structural characteristics

As an element from the Doors and door panels group, the product serves as a load-bearing side body panel, responsible for proper window operation, interaction with the central locking system, and maintaining proper side rigidity. The structure is prepared for the installation of factory components such as the lock, hinges, door wiring harness, or exterior mirror (mounted in dedicated mounting points).

The door has a specific weight, which is important from the point of view of vehicle balance and hinge operation. Using an original panel allows you to avoid problems with excessive load or mismatching, typical of some aftermarket replacements with different sheet metal construction.

Condition and use in repairs

The item is in used condition, which means it has been dismantled but retains the structural functionality required for body repairs. This is a practical solution when replacing damaged doors after a collision, corrosion, or other mechanical damage, where the priority is factory fit and reasonable repair costs.

Choosing a used OEM component often allows for shorter repair times – the sheet metal is already formed according to the manufacturer's requirements, and the mounting points remain consistent with the original vehicle specification.

Benefits of choosing a used OEM component

Compared to aftermarket replacements, original BMW doors provide:

• factory fitment with adjacent body panels,
• compatibility with the E90/E91 series styling line,
• predictable behavior during hinge and lock adjustment,
• easier installation of factory door accessories.

If you want to better understand when it is worth choosing a used original part instead of an aftermarket replacement, the article 5 reasons why a used OEM part is a better choice than an aftermarket replacement will be helpful, where you will find concrete examples and practical tips.

Expanding BMW side zone repairs

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