BMW X3 E83 Door Hinge Front Rear Left N/S Bottom Montegoblau Blue A51 3402821

BMW E83 X3 Lower Door Hinge Left Rear Front is an original body part designed for precise mounting of the door on the left side of the vehicle, both front and rear. It enables stable operation of the door leaf, ensuring proper guidance, correct fit with the body, and repeatable closing. Thanks to its factory origin from the BMW range, compatibility with the body structure and design line of the X3 E83 model is maintained.

Specifications and technical data

• SKU: 3422371-MTB
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 3402821
• Substitutable numbers: 41003422371, 3422371, 41003404899, 3404899, 3402821, EM
• Location on the vehicle: Front, Rear, Left
• Color: Montegoblau Metallic - A51
• Category: Other Exterior Parts & Accessories

Purpose and Function of the BMW X3 E83 Door Hinge

The presented lower door hinge is designed for operation on the left side of the body, in the front or rear door area. It is responsible for transferring the loads resulting from the door's mass, its opening and closing, as well as maintaining the correct geometry of the gaps between the door and the fender and pillar. A properly selected hinge limits the risk of the door leaf sagging, rubbing against the sill, and incorrect lock closing.

This element is particularly important when removing collision damage, replacing corroded mounts, or restoring the factory comfort of door use in the BMW X3 E83. The use of an original design allows for the preservation of factory mounting points and operating parameters.

Construction, Color, and Body Fitment

The hinge works with factory mountings in the body and the door leaf, which facilitates installation without the need for modifications. The construction is designed for operation in the lower position, where the greatest forces resulting from the door's weight are transferred. This allows for stable guidance of the door leaf throughout its entire opening range.

An important advantage is the fitment with the Montegoblau Metallic – A51 paint, which is significant for body renovations and accident repairs. In many cases, this allows for minimizing the scope of painting, especially when other elements in this area retain their original color.

Condition, Service Application, and Benefits of Installation

As a part from the Other category, the hinge is suitable for both routine repairs and comprehensive rebuilding of the BMW X3 E83 body. Using an OEM used part allows for maintaining the factory mounting geometry, which facilitates adjusting the door's position relative to the pillars and sills. This is a practical solution when the existing hinge is bent, worn, or corroded.

The main benefits of using this hinge include:

• the ability to restore smooth opening and closing of the door on the left side of the vehicle,
• maintaining correct gaps between the door and body elements,
• reducing stress on the lock and other mountings,
• easier adjustment of the door's position after body repairs.

Selection, Compatibility, and Support for BMW Restoration

The part has a dedicated OEM part number and interchangeable numbers, which facilitates verifying compatibility with a specific version of the BMW X3 E83. Before purchasing, it is advisable to compare the markings with the service documentation or the removed hinge to ensure that the construction and mounting spacing correspond to the application in the given vehicle.

If you are planning a comprehensive repair or modernization of the body area in your BMW and need other parts from the same group, such as hinges, mounts, or brackets, check the available parts in the BMW Other category.

For projects related to improving performance, suspension, or braking systems, it is also worth familiarizing yourself with the guide on sports models – a practical comparison of technical solutions can be found in the article Audi RS vs. Other Models – What Lies Under the Hood and Chassis?, which helps to better understand the structural differences between standard and sport versions.

If you are working on refreshing an older BMW from years similar to the X3 E83 and want to effectively use used components, useful tips on renovation planning, parts selection, and modernization scenarios can be found in the material Second Life of a Youngtimer – How Used Car Parts Rejuvenate Cars from 1998–2012.