BMW X3 E83 Rear Trunk Lid Stopper Left Right N/O/S Set Kit 3400381

BMW X3 E83 Rear Trunk Lid Stopper Left Right N/O/S Set Kit is an original component from the Trunk lids and rear parts group, designed for operation in the rear section of the vehicle body. The set includes stoppers for both the left and right sides, which allows for consistent, technically correct restoration of the trunk lid operation and maintains the stable geometry of its movement. This solution is particularly useful for post-collision repairs or when replacing worn-out mechanism components.

Specifications and technical data

• SKU: 3400381
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 3400381
• Substitutable numbers: 3400381, 51243400381
• Location on the vehicle: Rear, Right, Left
• Category: Boot & Hatch Lids

Purpose and function in the vehicle

The trunk lid stopper in the BMW X3 E83 is responsible for controlling the opening and closing range of the lid, stabilizing its movement in both horizontal and vertical axes. Using a complete set for the rear, right, and left sides allows for maintaining even load on the hinges and proper cooperation with the actuators and the lock.

• control of the trunk lid end positions,
• reduction of stress on hinges and mounts,
• limitation of unwanted play and rattling during driving,
• maintenance of a consistent closing line relative to the body.

Advantages of using the original set

A complete set of stoppers for the left and right sides ensures consistent operating parameters on both sides of the lid, which translates into even closing and a lower risk of mechanism misalignment. Original BMW branding means compatibility with the factory geometry of the X3 E83 body and a perfect fit for standard mounting points without the need for modifications.

• factory fit for the X3 E83 trunk lid construction,
• preservation of the operating characteristics designed by the manufacturer,
• easier diagnostics and future service thanks to compliance with BMW documentation,
• consistent installation on both sides of the vehicle in a single service process.

Placement on the vehicle and assembly aspects

The set is intended for installation in the rear part of the vehicle, on the right and left sides, in the trunk lid mounting zone. This placement enables even guidance of the lid relative to the body and reduces the risk of misalignment during opening or closing.

During installation, it is worth paying attention to:

• correct positioning of the stoppers relative to the hinges,
• checking for play after closing the lid,
• verifying cooperation with the lock and seals,
• symmetrical tightening of the mounts on both sides.

Condition and service application

The item comes from the used BMW parts segment, which allows for economical repair while maintaining the original design. This type of set is particularly useful for:

• repairs after mechanical damage to the lid,
• eliminating problems with improper trunk closing,
• reducing noise resulting from play in the mechanism,
• restoring the factory functionality of the rear body section.

If you are planning a comprehensive repair or upgrade of the rear body zone in your BMW and need other components from the same group, such as lid hinges, locks, or lifting actuators, check the available parts in the BMW trunk lids and rear parts category.

For users interested in selecting used OEM components by part number or VIN, as well as comparing solutions used by different manufacturers, an article describing service practice using Audi units as an example may be helpful – you can find it here: Audi five-cylinder engine – a legend from Quattro to RS3 and how to maintain it using original Audi parts.