BMW E81 E87 LCI M Sport Rear Bumper Bottom Trim Panel Diffuser 7837325

Visual condition of the part 

The product shows signs of use visible in the photos. 

BMW E81 E87 LCI M Sport Rear Bumper Bottom Trim Panel Diffuser is an original body component from the Bumpers and reinforcements category, designed for installation at the rear of the vehicle. The trim panel serves as a functional addition to the M Sport bumper, improving aerodynamics, visual consistency of the rear section, and ensuring a perfect fit with the factory BMW styling.

Specifications and technical data

• SKU: 7837325
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7837325
• Substitutable numbers: 51127837325, 7837325, 51127906813, 7906813
• Location on the vehicle: Rear
• Category: Bumpers & Reinforcements

Purpose and fitment for BMW E81 / E87 LCI

This trim panel has been designed specifically for the BMW 1 Series E81 and E87 models after the facelift (LCI) equipped with the M Sport package. This ensures a precise fit to the factory rear bumper, correct mounting geometry, and maintenance of the original body lines. As a result, the component integrates with the bodywork without the need for structural modifications, which facilitates installation and reduces the risk of fitment issues.

Technical and functional characteristics

The rear bumper trim panel belongs to the Bumpers and reinforcements group, responsible for protecting the rear of the vehicle and ensuring the stability of body components. Its placement at the rear of the vehicle helps improve airflow under the car while maintaining the sporty character of the M Sport version. The design is intended to work with factory mounting points, allowing for installation in a standard service configuration.

As an original BMW part, the trim panel maintains compliance with factory dimensional and material tolerances. This is important both in terms of aesthetics (even gaps, proper fitment) and durability in daily use. The product has an assigned OEM part number and associated replacement numbers, which facilitates verification of compatibility with a specific vehicle equipment version.

Condition, origin, and benefits of choosing a used part

The item is offered as a used part, sourced from vehicle dismantling. This solution allows you to obtain original BMW quality at a significantly lower cost than a new component. For many users, this is a reasonable compromise between budget and maintaining the factory look and body structure.

Choosing a used rear bumper trim panel is particularly beneficial in situations where repair after a collision is necessary, for visual refreshment of the car, or for restoring the completeness of the M Sport package after previous modifications. Original mountings and shape facilitate the work of the painter and installer, shortening the time required to fit the element.

Practical application and installation aspects

The M Sport rear bumper trim panel performs several important functions:

• complements the lower part of the rear bumper, giving the body a cohesive, sporty look,
• helps in properly directing airflow in the rear area of the vehicle,
• ensures compatibility with factory BMW structural solutions,
• facilitates the restoration of the car's original specification after body and paint repairs.

Its placement at the rear of the vehicle means that the component works in conjunction with other bumper components and reinforcements. When selecting and installing, it is worth paying attention to the compatibility of the body version, model year, and equipment package, using the OEM part number and replacement numbers available in the technical specification.

How to avoid mistakes when selecting this trim panel

To correctly select the rear bumper trim panel for your BMW, it is recommended to verify factory markings, compare the shape and mounting points with the currently installed element, and consult the BMW parts catalog. Checking compatibility based on the vehicle's VIN is also helpful. In case of doubt, it is worth seeking advice from specialists to avoid purchasing an incompatible component.

Additional tips on selecting used body parts, including working with OEM and replacement numbers, can be found in the article: No more bad purchases! How to professionally select used car parts.

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