BMW 3 Series E90 E91 E92 E93 LCI Cable Duct Battery Lead Rear 9124952

BMW 3 Series E90 E91 E92 E93 LCI Cable Duct Battery Lead Rear is an original electrical system component designed for the rear of the vehicle, which organizes and secures the wiring harness in the battery area. Thanks to its factory geometry and perfect fit for the 3 Series body, this component ensures stable cable routing and protects them against mechanical damage. It is a practical solution for users who want to restore the proper installation layout after repairs or modifications in the rear of the car.

Specifications and technical data

• SKU: 9124952
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9124952
• Substitutable numbers: 61139124952, 9124952, 61136935885, 6935885, EM
• Location on the vehicle: Rear
• Category: Battery Accessories

Purpose and function of the component

The presented cable duct/cover is part of the power supply system in the Battery Accessories category and is responsible for routing and protecting cables in the rear zone of the vehicle. Its purpose is to:

• maintain the harness in a fixed position relative to the body,
• reduce vibrations and insulation chafing,
• separate cables from bodywork and upholstery elements,
• organize the installation layout in the battery area.

This reduces the risk of short circuits, chafing, and unwanted noises resulting from loosely routed cables.

Design and fit for the BMW 3 Series

The cover has been designed specifically for the BMW 3 Series E90, E91, and E92 platform, which translates into a precise fit for factory mounting points. The design of the duct allows for:

• routing cables along the original path intended by the manufacturer,
• easy snapping into existing holders and clips in the rear of the body,
• maintaining proper cable bending radii, which is essential for insulation durability.

Such a solution allows for maintaining order in the battery compartment or luggage space, which facilitates subsequent service and diagnostic work.

Benefits of using the original cable cover

Using a dedicated cable duct in the BMW 3 Series brings a number of practical operational benefits:

• Protection of the electrical system – cables are shielded from accidental crushing, chafing, or contact with sharp edges.
• Power system stability – an organized harness reduces the risk of damage that could lead to problems with starting or powering electrical consumers.
• Easier diagnostics – cables routed in a predictable, factory-standard way make it easier to locate potential faults.
• Aesthetics and ergonomics – an organized rear section of the vehicle facilitates convenient handling of the battery and other elements in this area.

This is particularly important in cars where body repairs or installation modifications have been performed previously and it is necessary to restore factory order.

Installation characteristics and application

The element is intended for installation in the rear of the vehicle, in the area related to routing power and signal cables. Thanks to its factory origin from the BMW range, it maintains compatibility with the original installation concept. In practice, this means:

• the ability to use existing mounting points without additional modifications,
• consistency with other covers and holders within the rear body area,
• easy adjustment during service work related to the battery or wiring harness.

Such a solution is beneficial both for workshops specializing in the brand and for users organizing the installation in their own car.

Condition, origin, and ecological aspect

The offered cable duct/cover comes from the original BMW production line, which helps maintain technical consistency with other installation elements. Choosing a used component allows for reducing waste and utilizing a part that still fulfills its task in the vehicle. If you want to better understand how reusing components affects the environment and carbon footprint, it is worth reading the material: Sustainable automotive and the benefits of used parts.

If you are planning a comprehensive repair or upgrade of the power supply and electrical system in the rear of your BMW and need other elements from the same group, such as cable covers, harness holders, or additional mounting accessories, check the available parts in the BMW Battery Accessories category.