BMW E90 E92 LCI Trunk Lid Lock With Bowden Cable 7840617 7238649

BMW E90 E92 Trunk Latch Lock Rear 7840617 is an original part from the trunk lid and rear category, designed for installation in the rear of the vehicle body. It ensures a secure closure of the trunk lid, stabilizes its position, and contributes to the comfort of daily operation of a BMW car.

Specifications and technical data

• SKU: 7840617-4
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7840617
• Substitutable numbers: 51247840617, 7840617, 51248196401, 8196401, 51247238649, 7238649, BG, 51767151383, 7151383, 51717039863, 7039863
• Location on the vehicle: Rear
• Category: Boot & Hatch Lids

Purpose and Function of the BMW Trunk Lid Lock

The trunk lid lock latch is responsible for the mechanical locking of the lid and cooperation with the rear body opening system. In BMW E90/E92 models, a properly functioning lock translates to:

• stable lid closure without play or rattling while driving,
• securely holding the trunk lid in the closed position,
• proper cooperation with the body-side opening mechanism.

This component is important both for user comfort and for protecting the transported cargo from accidental lid opening.

Construction and Placement on the Vehicle

The presented trunk lid lock is structurally adapted to the rear of the BMW E90/E92 body. Its placement in the rear of the vehicle allows for direct cooperation with hinges, actuators, and the lid panel, which facilitates installation and subsequent adjustment.

As a component from the Trunk Lid and Rear category, it has been designed to maintain factory mounting points and the operating geometry of the mechanism. This ensures a tight seal and repeatable lock operation with every opening and closing of the lid after proper installation.

Benefits of Using an Original BMW Lock

Using an original trunk lid lock latch in a BMW E90/E92 maintains the structural integrity of the rear body. The main benefits include:

• Factory Fit – compatibility with the original trunk lid geometry and adjacent components.
• Stable Mechanism Operation – repeatable locking and unlocking, reducing the risk of incomplete lid closure.
• Vehicle System Compatibility – ability to cooperate with factory solutions used in the rear of the vehicle.

By maintaining the original design, problems with lid adjustment, leaks, or unwanted noises during driving can be avoided.

Condition and Application in Vehicle Service

The offered trunk lid lock is a used part, making it an attractive solution for maintenance repairs and restoring the functionality of the rear body after a collision or wear of the factory mechanism. It is suitable for workshops specializing in the BMW brand as well as for DIY repairs performed by knowledgeable users.

Selecting the correct lock for a specific vehicle version is facilitated by the OEM part number and available replacement numbers, which allow verification of compatibility with a specific BMW E90/E92 configuration.

Related Products and Technical Knowledge

If you are looking for other components from the Trunk Lid and Rear category dedicated to BMW, check out the BMW trunk lids and rear parts available in our store to select complete solutions for the rear of your car.

More information on selecting used OEM parts by number and practical tips for verifying compatibility can be found in the article Audi's Five-Cylinder Engine – A Legend from Quattro to RS3 and How to Care for It with Original Audi Parts, which discusses, among other things, the principles of working with reference numbers and VIN identification.