Description
BMW E81 E87 LCI Bracket Bumper Rear Bottom Fitted Left N/S is a precision component from the Bumpers and reinforcements group, designed for the stable mounting of the rear bumper on the left side of the vehicle. The design, tailored to the specifics of BMW 1 Series models, ensures proper guidance and support for the bumper, which translates into correct panel alignment and an aesthetic appearance of the vehicle’s rear section.
Specifications and technical data
- SKU: 7183873
- Mark: BMW (Genuine OE)
- Condition: Used
- OEM Part Number: 7183873
- Substitutable numbers: 7183873, 51127183873
- Location on the vehicle: Rear, Left
- Category: Bumpers & Reinforcements
Purpose and function of the component
The described bumper mounting bracket is designed to operate in the rear left section of the body, where it is responsible for guiding and supporting the bumper relative to the vehicle’s structure. A correctly selected and installed component:
- stabilizes the position of the bumper relative to the fender and other body panels,
- reduces unwanted play and vibrations while driving,
- facilitates achieving even gaps between body components,
- supports the maintenance of the factory geometry of the vehicle’s rear section.
As a result, replacing a damaged mount with a functional component allows for restoring proper bumper alignment after bodywork repairs or parking collisions.
Compatibility and fitment for BMW
The component is intended for use in BMW vehicles where the rear bumper structure is based on dedicated slides and mounting brackets. Using a part from the same design group as the factory component promotes:
- maintaining the correct body line in the rear zone,
- easier installation without the need for modifications,
- maintaining compatibility with other elements of the bumper mounting system.
The location on the vehicle, defined as rear – left side, allows for unambiguous identification of the mounting position and reduces the risk of errors when selecting parts.
Functional features and benefits of use
Choosing this bumper mounting bracket is particularly beneficial in situations where the factory mount has been damaged due to impact, corrosion, or repeated disassembly. Using a properly matched component allows you to:
- restore proper bumper support in the rear of the vehicle,
- reduce the risk of panel cracks resulting from improper support,
- limit noises and rattles coming from the bumper area,
- maintain a consistent, aesthetic appearance of the side and rear body lines.
For body and paint shops, this is a practical solution that enables efficient completion of rear body repairs without compromising on component fitment.
Condition and service application
The offered component is a used part, making it an attractive cost-effective alternative while maintaining the functionality required for proper bumper installation. Such elements are often used for:
- post-accident repairs in the rear bumper area,
- removing the effects of minor parking collisions,
- alignment corrections after previous, improper repairs.
Thanks to the preservation of the correct mounting geometry, it is possible to reset the bumper to a position close to the factory standard, which is important for both aesthetic and functional reasons.
Expanding repairs within the BMW bumper area
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 guides, reinforcements, or additional brackets, check the available parts in the BMW Bumpers and reinforcements category.
To better plan service work and determine the scope of component replacement, it is worth using the practical advice on vehicle operation and maintenance available in the article TOP 10 most frequently replaced parts in your car, where you will find tips to help reduce repair costs while maintaining an appropriate level of safety.





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