BMW 3 E90 1 Door Rear Left N/S Montegoblau Montego Blau Blue - A51

BMW 3 E90 1 Door Rear Left N/S Montegoblau Montego Blau Blue - A51 is an original body component from the Doors and door panels category, designed for installation on the driver's side of a sedan body. This is a solution for users who expect factory fitment, a consistent body line, and the preservation of the original Montegoblau paint shade.

Specifications and technical data

• SKU: 7203647-MTB1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7203647
• Substitutable numbers: 41007203647, 7203647, 41527145365, 41527152989, 41004402513, 7145365, 7152989, 4402513
• Weight: 150
• Location on the vehicle: Rear, Left
• Color: Montegoblau Metallic - A51
• Category: Doors & Door Skins

Purpose and fitment for BMW 3 E90

The presented item is a complete rear left door, dedicated to the 3 Series E90. The vehicle placement, defined as the rear – left side, ensures precise fitment to a specific position on the body, which facilitates bodywork planning and reduces the risk of errors when selecting parts.

The original BMW origin means maintaining the correct geometry, hinge mounting points, lock and seal locations, as well as compatibility with factory windows, trim, and door equipment wiring. As a result, after installation, the door creates a seamless surface with the fender, rocker panel, and pillar, without the need for additional modifications.

Montegoblau Metallic A51 color and paint aspect

The door comes in the original Montegoblau Metallic A51 color, characteristic of many BMW 3 Series E90 units. For the user, this means the possibility of limiting or simplifying paintwork – in many cases, correction, polishing, or local color matching is sufficient instead of fully repainting the component from scratch.

The metallic paint structure ensures consistency with the remaining body panels in the same color code, which is particularly important for post-accident repairs and visual restorations. Preserving the original coating also facilitates the future resale of the car, as the bodywork remains in accordance with the factory color specification.

Technical characteristics and functional properties

As an item from the Doors and door panels category, the product is responsible for the rigidity of the side body section, proper window operation, and interior sealing. The design intended for the rear left side of the vehicle works with factory seals and the lock, which translates into proper noise dampening, water protection, and stable closing.

The door has a specific weight, which is important both during transport and when mounting on hinges – the correct weight promotes proper gap adjustment and does not excessively load the mounts. The user receives a component that, after proper installation, allows for the restoration of the full functionality of the side body zone: from comfortable entry, through passenger safety, to the aesthetics of the side line.

Used condition and advantages of an original component

The door is in used condition, which in practice means a real compromise between repair costs and maintaining original BMW quality. Compared to aftermarket replacements, a factory body component offers better fitment, predictable behavior during adjustment, and compliance with factory assembly tolerances.

For many users and body shops, choosing a used, original component is preferred for post-accident repairs because it allows for shorter fitting times, reduces the amount of body filler needed, and ensures stable performance of locks and hinges.

Support with part selection and additional information

If you are considering whether it is a better solution to repair existing doors or install a used original, the guide material discussing the differences between these approaches may be helpful – you will find it in the article Refurbished or used original – which part to choose for repairs?, where practical examples from the operation of popular BMW models are described.

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