BMW X3 Series E83 E83N LCI Rear Center Bumper Mounting Bracket Strip 3400952

BMW X3 Series E83 E83N LCI Rear Center Bumper Mounting Bracket Strip is an original body component from the Bumpers and reinforcements category, designed for the stable mounting of the rear bumper on the vehicle. The precisely selected geometry of the bracket ensures proper guidance of the bumper slide, which translates into correct panel fitment and an aesthetic appearance of the rear body section.

Specifications and technical data

• SKU: 3400952
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 3400952
• Substitutable numbers: 51123400952, 3400952
• Location on the vehicle: Rear
• Category: Bumpers & Reinforcements

Purpose and function of the component

The presented slide bracket is dedicated to the rear body section of the BMW X3 E83 series and operates in the rear bumper mounting area. Its task is to keep the bumper in the correct position relative to the body, reduce play, and provide support for the factory body line. As a result, the bumper does not sag, does not protrude from the fenders, and maintains the proper mounting gap.

The component belongs to the Bumpers and reinforcements group, which means it works with other components responsible for guiding and supporting the bumper, such as slides, brackets, or structural reinforcements. Replacing a worn or damaged bracket is important both from an aesthetic point of view and for the correct distribution of loads in the rear part of the body.

Construction and fitment for the BMW X3 E83

The bracket has been designed specifically for the construction of the BMW X3 E83, taking into account the shape of the rear panel, mounting points, and the bumper line characteristic of this model. Properly formed guides and clips allow for secure seating of the slide, which facilitates the assembly and disassembly of the bumper during body and paint repairs.

Key functional features of this component include:

• dedicated placement in the rear zone of the vehicle,
• compatibility with the BMW X3 E83 bumper construction,
• stable slide guidance and reduction of unwanted play,
• cooperation with factory body mounting points.

Thanks to the preservation of the original mounting geometry, the bumper retains its factory lines after installation and does not require additional modifications or adjustments.

Characteristics of the used component

The offered bracket comes from dismantling, which means it is a used part, but still intended for further use. In practice, this allows for an economical repair of the rear body section while maintaining the manufacturer's original specifications. Compared to low-quality replacements, using a component from the factory mounting system promotes better bumper fitment and reduces the risk of assembly problems.

Choosing a used component is particularly beneficial for post-accident repairs when it is necessary to replace several elements at once – brackets, slides, and the bumper itself. Using parts from the same construction group makes it easier to maintain the consistency of the entire system.

Application in body repairs and assembly

The rear bumper slide bracket is used primarily for:

• post-accident repairs of the rear part of the vehicle,
• removing the effects of corrosion or material fatigue in the mounting zone,
• correcting bumper fitment after previous, incorrect repairs,
• preparing the car for bumper painting and reassembly.

The component is mounted at the factory points provided by the manufacturer, which allows for maintaining repair technology consistent with BMW's design assumptions. A correctly installed bracket ensures that the bumper slide operates within the appropriate range, and the bumper itself remains stable during vehicle operation.

Support with selection and additional information

When selecting a slide bracket for the BMW X3 E83, it is worth paying attention to compatibility with the body version and rear bumper configuration to avoid assembly problems. In case of doubt, it is helpful to compare the shape and mounting points with the element currently installed in the vehicle or consult a service specializing in the BMW brand.

If you are planning a comprehensive repair or upgrade of the rear bumper zone in your BMW and need other elements from the same group, such as slides, reinforcements, or additional brackets, check the available parts in the BMW Bumpers and reinforcements category.

For a broader view of the body repair process after a collision and practical tips on selecting used OEM elements, it is worth reading the article Bodywork and chassis – post-accident repairs using dismantled parts, which discusses, among other things, the selection of bumper components, brackets, and reinforcements.