BMW E87 F20 F21 F30 F31 F44 G20 G30 Side Panel Blind Plug D=25MM Set 7175886

BMW E87 F20 F21 F30 F31 F44 G20 G30 Pillar Cap 25 mm – Set is a practical finishing element designed for installation in the body pillar of selected BMW models. It allows for the aesthetic closure of mounting holes, improves the visual consistency of the interior or body area, and helps to limit the ingress of dirt. Thanks to its original geometry and precise fit for specific BMW generations, the set is suitable for both post-accident repairs and precise service work.

Specifications and technical data

• SKU: 7175886-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7175886
• Substitutable numbers: 51717175886, 7175886
• Color: Black
• Category: Other Exterior Parts & Accessories

Purpose and Function of the 25 mm Pillar Cap

The presented set of 25 mm diameter pillar caps has been designed for use in the body pillars of selected BMW 1 Series, 3 Series, and newer variants. The element serves as a precise cap for technological openings, which are used, among others, during assembly, service, or body repairs.

The cap helps to:

• achieve a cohesive, organized appearance of the pillar after service work is completed,
• limit the ingress of dust and small contaminants into the structure's interior,
• maintain the factory finish in the pillar area.

Compatibility with BMW Models

The set is intended for use in popular generations of BMW 1 Series and 3 Series, including hatchback and sedan/wagon body styles, where 25 mm diameter caps are used within the pillars. This makes the solution particularly useful for:

• repairs after pillar trim removal,
• replacing missing elements after previous service work,
• restoring the factory interior appearance after modifications.

The proper fit for BMW construction allows for installation without the need for modifications, which is important for maintaining the correct pillar geometry and mounting stability.

Material Properties and Color

The pillar cap in this set is made of plastic adapted for operation in conditions typical for the interior and body areas of a vehicle. The black color facilitates integration with most factory pillar trims and upholstery in BMW models, providing a neutral, technical look without standing out from the surroundings.

The choice of color and surface texture is suitable for use in both daily driven vehicles and cars prepared for resale, where visual consistency and brand character are important.

Item Condition and Service Application

The offered set comes from the secondary market, making it an attractive solution for economical repairs and for replacing missing details in several-year-old cars. Such elements are often overlooked in standard repairs, but their replacement allows for a more complete and professional finish of the pillar area.

The use of an original pillar cap is particularly beneficial in situations where:

• visible mounting holes remain after trim removal,
• individual caps are missing after previous repairs,
• maintaining consistency with other BMW interior elements is important.

Support for Selection and Further Knowledge

If you are planning a comprehensive repair or upgrade of the body and interior area in your BMW and need other parts from the same group, such as additional caps, small fasteners, or trim elements, check the available parts in the Other BMW category.

For drivers interested in comparing technical solutions used in different makes and segments, including sports car versions, an article discussing differences in engine, brake, and chassis construction may be helpful – you can find it here: Audi RS vs Other Models – What Lies Under the Hood and Chassis?.

If you want to better plan service work on your car and learn which wear parts most often require replacement, it is worth reading the practical guide: TOP 10 Most Frequently Replaced Parts in Your Car.