Description
The BMW F20 F21 Rear Trunk Lid Actuator is an original part from the Miscellaneous category, designed for the rear of the vehicle body. It ensures controlled opening and closing of the trunk lid, contributing to everyday convenience and safe use of the cargo space.
Specifications and technical data
- SKU: 7239871
- Mark: BMW (Genuine OE)
- Condition: Used
- OEM Part Number: 7239871
- Substitutable numbers: 7239871, 51247239871
- Location on the vehicle: Rear
- Category: Other Exterior Parts & Accessories
Purpose and Function of the Trunk Lid Actuator
The trunk lid actuator in BMW F20/F21 models is responsible for stably supporting the lid and smoothly guiding its vertical movement. The component is installed in the rear of the vehicle, working in conjunction with the lid hinges and lock. A correctly selected actuator limits stress on the hinges, reduces the risk of the lid dropping, and improves the ergonomics of trunk usage.
Construction and Technical Characteristics
The presented actuator is a part manufactured for the BMW brand, meaning it retains factory operating parameters such as force characteristics, working stroke, and mounting geometry. Thanks to this:
- it ensures proper lid guidance throughout the full opening range,
- it maintains lid stability in the upper position,
- it reduces vibrations and unwanted play in the hinge system.
As a component from the Miscellaneous category, the actuator is designed to work with original mounting points on the body and lid, without requiring structural modifications.
Component Condition and Benefits of Use
The rear trunk lid actuator for BMW F20/F21 is offered as a used part, allowing for an economical replacement while maintaining factory specifications. Using an original part of this type brings a number of practical benefits:
- restoration of correct operation of the lid opening and support mechanism,
- increased comfort in trunk operation, especially with frequent use,
- reduction of damage risk resulting from sudden lid closure.
For users who prioritize compliance with the factory design, using an actuator dedicated to a specific BMW series is a safe and technically justified solution.
Installation and Fitment for BMW F20 F21
The rear trunk lid actuator for BMW F20/F21 is intended for installation in original mounting points, facilitating replacement in service conditions. When selecting the part, it is crucial to compare part numbers and mounting locations on the vehicle to ensure full compatibility with the specific body version. A correctly chosen actuator helps avoid problems with lid opening geometry and excessive stress on the hinges.
Other Products and Technical Materials
If you are looking for other parts from the Miscellaneous category dedicated to this brand, check out our offer at BMW Miscellaneous, where you will find a wide selection of compatible body components and accessories. To compare technical solutions used in various sports and standard models, it is also worth reading the article describing construction differences in powertrains and chassis: Audi RS vs. Other Models – What’s Under the Hood and Chassis?.
Summary
The BMW F20 F21 Rear Trunk Lid Actuator is a functional component designed for the rear of the vehicle body, providing convenient and controlled trunk opening. Its original origin and specific fitment for the BMW series facilitate trouble-free installation and maintain the factory lid operating characteristics, contributing to the comfort of daily vehicle use.
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