BMW F21 F22 F23 X3 E83 Plug Housing Box Cover Cable Mounting 3403145

BMW F21 F22 F23 X3 E83 Plug Housing Box Cover Cable Mounting is an original electrical system component designed for the organized routing and securing of cables in selected BMW models. The robust construction of the plug housing and cable mounting cover ensures stable seating of wire harnesses and reduces the risk of abrasion, looseness, and unwanted vibrations. This is a practical solution for users who want to maintain factory-standard order in the electrical system and ensure high system reliability.

Specifications and technical data

• SKU: 3403145
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 3403145
• Substitutable numbers: 61133403145, 3403145
• Part type: Electrical Connector
• Category: Wiring Harnesses, Cables & Connectors

Purpose and function of the component

The presented housing with a cable mounting cover has been designed for the F21, F22, F23, and X3 E83 series models, where it is responsible for secure routing of electrical harnesses. Its purpose is to:

• keep cables in a fixed, controlled position,
• protect connectors from accidental disconnection,
• reduce the impact of vibrations and body movements on the harnesses,
• organize cables within a specific section of the installation.

As a result, the electrical system operates more stably, and the risk of faults resulting from looseness, abrasion, or incorrect routing is significantly reduced.

Construction and fitment for BMW

As a component from the Wires, harnesses, and connectors group, this plug housing with a cable mounting cover has been developed for specific mounting points in the BMW body and engine/service compartments. This means:

• factory-perfect fitment to the brackets and clips in the given model,
• preservation of the original harness routing geometry,
• easier service access to wires and connectors,
• consistency with other BMW electrical system components.

Such a solution facilitates both installation and subsequent diagnostic work, as the harnesses remain routed according to the manufacturer's specifications.

Characteristics of the used OEM component

The offered component is a genuine BMW part from the aftermarket, which allows for maintaining compliance with the vehicle's factory specifications. A used element of this type is a sensible choice wherever it is crucial to:

• maintain the original electrical system design,
• preserve compatibility with existing harnesses and connectors,
• reduce repair costs while using OEM parts.

This allows for effectively restoring the original cable routing layout without the need to use replacements with uncertain fitment.

Application in repairs and system upgrades

This type of housing and cable mounting cover is suitable both for the standard replacement of a damaged part and for more extensive work on the installation – e.g., adding extra harnesses or reorganizing existing cables. Organized cable routing:

• facilitates the location of individual circuits during diagnostics,
• reduces the risk of accidental cable damage during other service tasks,
• allows for maintaining clarity and aesthetics of the installation in technical compartments.

This is particularly important in modern BMWs, where wiring density is high and every additional mounting point improves the readability of the entire system.

System expansion – other elements from this group

If you are planning a comprehensive repair or upgrade of the electrical system area in your BMW and need other elements from the same group, such as additional harnesses, connectors, or cable brackets, check out the available parts in the BMW Wires, harnesses, and connectors category.

For larger repairs or vehicle reconstruction after a collision, it is also worth checking out practical tips on selecting original components from the aftermarket – you can find them in the article Repairing a car after a collision using original used OEM parts, which helps optimize costs without compromising safety and quality.